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BRIJ L23 comes from a family of nonionic surfactants that have played a significant role in shaping industrial chemistry over the last century. Chemists discovered the value of ethoxylated fatty alcohols in times when managing the delicate relationship between hydrophilic and lipophilic materials often determined product performance. Polyoxyethylene lauryl ether, better known to many as BRIJ L23, stood out for its adaptability. Over decades, this compound has woven itself into a tapestry of applications reaching from pharmaceuticals to everyday cleaning agents. Tracing its roots through the myriad innovations in surfactant science points to the efforts of researchers who explored PEG-based molecules for solubilization, stabilization, and emulsification. Historical journals and technical reports often cite the rise in use of these surfactants during global pushes for better detergency and safer, more stable formulations in personal care and food processing. As a witness to many shifts in chemical manufacturing, BRIJ L23 marks an example of how material science moves hand-in-hand with changes in lifestyle and technology.
Nonionic surfactants like BRIJ L23 differ from their anionic and cationic cousins, not carrying a charge on their hydrophilic end. This single feature changes the way they interact in diverse systems, especially where maintaining neutrality is important. The lauryl alcohol backbone in BRIJ L23, extended by around 23 moles of ethylene oxide, builds a molecule that excels in reducing surface tension without introducing the high reactivity associated with ionic species. Formulators notice that its nonionic nature brings reliability across a wide pH range and under varied conditions. Whether used in sensitive pharmaceutical preparations or sturdy industrial cleaning fluids, it displays an ability to provide consistency, which eases guesswork for chemists and production engineers. My own experience in the lab found BRIJ L23 to be forgiving—tolerating tough conditions where ionic surfactants failed, maintaining stability in the face of salts or variable water hardness, and keeping unwanted interactions to a minimum.
Physically, BRIJ L23 looks waxy, with a pale hue, and it usually flows at room temperature with a little warmth. Its solubility profile interests those working in formulation science; it mixes well with water and many polar solvents, showing cloud point behavior that helps predict and control its behavior in emulsions. Its high ethylene oxide content gives it high HLB (hydrophilic-lipophilic balance), making it fit for solubilizing hydrophobic materials. Chemically, the polyethylene oxide chains resist degradation under moderate conditions, though exposure to strong acids or bases over extended periods will break it down. In the lab, testing revealed that it exhibits low volatility and handles heat reasonably well, avoiding unpleasant surprises during hot-processing steps. Its moderate foaming character makes it easier to use in systems where controlling suds matters—whether in cleaning or mixing pharmaceutical suspensions, it reduces risks associated with excessive foam.
Manufacturers must ensure that each batch of BRIJ L23 meets narrow technical benchmarks. Parameters such as average molecular weight, degree of ethoxylation, cloud point, acid value, and moisture content present frequent points of scrutiny. Consistent labeling reflects these key metrics, helping buyers and regulators trace quality and safety. In my work with suppliers, a reliable certificate of analysis from a trusted producer saved hours of re-testing and prevented downstream problems. Standardization stems not only from regulation but from the recognition that even slight shifts in ethylene oxide content or trace impurities can upset performance, especially where human health or product efficacy is involved. Clear, accurate labeling allows for better safety assessment and proper handling by end users across diverse industries—a small but important link in the product’s reputation.
The synthesis of BRIJ L23 often relies on a well-honed process. Producers start by reacting lauryl alcohol with ethylene oxide under basic catalysis, usually potassium or sodium hydroxide. Strict control over reaction temperature and ethylene oxide feed ensures a consistent number of ethylene oxide units per mole of lauryl alcohol, which is crucial for predictable performance downstream. In the facilities I’ve observed, safety measures focus sharply on handling both ethylene oxide—a gas at room temperature with explosive potential—and the exothermic nature of the reaction. After synthesis, purification and removal of unwanted byproducts, including non-ethoxylated alcohol and oligomers, take priority. Deodorization and neutralization steps create a product suitable for sensitive uses. A process engineer’s diligence in these steps reflects not just regulatory requirements, but a desire for the respect and trust of customers relying on every batch.
Though BRIJ L23 serves its core purpose quite well as synthesized, modifications often target further customization. Acetylation or sulfonation of the terminal alcohol group can tweak solubility or coupling performance in niche formulations. For researchers with access to more advanced synthetic tools, crosslinking with other polymers or blending with structurally similar surfactants provides unique micellar structures, tuned rheology, or improvements in dispersibility for specialty applications. Studies report that by adjusting chain length or degree of ethoxylation, chemists can dial in HLB values more closely suited to demanding food, pharmaceutical, or agrochemical formulations. Adapting BRIJ L23 at the chemical level continues to spur new uses and creative product development in fields that did not originally tap into this chemistry—painting a lively picture of ongoing innovation which rewards curiosity and cross-disciplinary teamwork.
BRIJ L23 rarely appears under just one name. In lab supply catalogs and scientific literature, the same molecule may also be recorded as polyoxyethylene 23 lauryl ether, PEG-23 lauryl ether, or even by less descriptive commercial trade names. Synonyms pop up across registries maintained by organizations tracking chemical inventories, safety standards, or regulatory compliance. For chemical informatics or regulatory filing, knowing the web of synonyms saves time and avoids confusion—or worse, regulatory missteps. For anyone new to the field, building familiarity with these alternate names streamlines communication, especially in cross-border projects where different regions may favor local conventions.
Past experience handling BRIJ L23 in production showed me that nonionic surfactants do not mean no-hazard. While their toxicity profile compares favorably to many older surfactants, safe operation still means using gloves, goggles, and sometimes face shields in case of splashing. Large-scale storage demands attention to spills, as the compound’s slipperiness increases fall hazards. Facilities with good ventilation and routine air monitoring keep workplace exposures well below levels of concern. In line with modern safety standards, technical datasheets report environmental and disposal precautions, focusing on avoiding watercourse contamination and uncontrolled combustion. Integrating these steps into daily practice fosters a culture where operators, supervisors, and even visitors feel protected—a level of confidence that backs up product reliability with real human care.
BRIJ L23 finds its way into countless products people interact with every day. For the formulator in cosmetics, it offers mild emulsification for creams and lotions. In the pharmaceutical world, its ability to stabilize sensitive actives underpins formulations for ointments, suspension preparations, and even some parenteral drugs. Food technologists turn to it for texture control in confectionery and instant beverages. Those working in paints, inks, and coatings appreciate its role in pigment dispersion and surface wetting. In agriculture, it helps dissolve tricky actives in pesticides without introducing the kind of toxicity concerns found in some alternatives. My years in product development taught me to look for surfactants that solve more than formulation puzzles; they must fit within existing regulatory and sustainability guidelines. BRIJ L23 checks these boxes for many sectors, becoming one of the ‘quiet workhorses’ of the chemical world.
Growing awareness about sustainability and green chemistry is pushing research teams to revisit the life-cycle of BRIJ L23. Interest has grown in sourcing lauryl alcohol from renewable resources and optimizing ethoxylation processes to minimize waste and energy use. Recent studies explore the limited but real potential for environmental persistence and look at biodegradability under various conditions. Analytical chemists have made strides in characterizing product purity and tracking trace contaminants down to part-per-billion levels, helping pinpoint new quality control approaches. In academic circles, BRIJ L23 serves as a useful standard in micelle formation and solubilization studies—a tool for benchmarking breakthroughs in delivery vehicles for drugs or agrochemicals. Each year pulls more insight from the intersection of applied and theoretical research, reflecting a broader chemistry community that refuses to rest on past achievement.
Extensive toxicity research places BRIJ L23 among the safer batch of modern surfactants, but the story is never static. Oral and dermal toxicity levels remain low for most exposure scenarios, which supports its use in food contact materials and personal care. Still, chronic exposure studies remind us not to grow complacent. Considerations include possible irritation at high concentrations and rare but real cases of allergic reaction. Regulatory reviews in North America and Europe often cite these findings, shaping workplace guidelines and setting maximum usage limits in consumer products. Environmental research raises legitimate concerns about accumulation in waterways and soil, prompting updated handling protocols and limits on discharge for manufacturing plants. Keeping pace with emerging health and ecological data ensures that those using BRIJ L23 do so with knowledge, responsibility, and respect for all who may come into contact with it, directly or indirectly.
Industry needs rarely stand still. The next wave for BRIJ L23 centers on aligning traditional chemical performance with the demands of circular economy and low-carbon goals. Researchers continue to tweak its structure, whether by capping the polyoxyethylene chain or co-polymerizing with biodegradable agents. Some of the most energetic development involves blending this surfactant with biosourced or enzymatically produced molecules, aiming for equal or better results with a lower environmental footprint. Formulation specialists now work with supply chains to boost transparency, supporting brands that want consumers to trust not just the product but the journey it took to reach them. Whether in digitalized process control, smarter labeling, or better end-of-life options, the ongoing challenge involves finding ways for proven molecules like BRIJ L23 to do more with less, reinforcing chemistry’s promise to solve both technical and societal challenges. The momentum and ingenuity in this field suggest no shortage of progress on the horizon.
BRIJ L23 goes by another name for chemists—Polyoxyethylene (23) Lauryl Ether. This isn’t a household item, but it plays a big role in making products that touch our lives every day. Developed by companies like Croda, it belongs to a group of materials known as nonionic surfactants. These substances help mix things that usually resist each other, like oil and water. Some might shrug at the details, but understanding surfactants opens a window into why so many products—shampoos, creams, cleansing agents—feel and work the way they do.
Think of a shampoo bottle in your shower. The creamy lather doesn’t just happen. Surfactants like BRIJ L23 give personal care items their smooth, easy-to-apply texture. They help carry away dirt and oil without being harsh. It’s that gentle touch that makes these products market favorites. The same goes for lotions and creams—we expect an even, silky feel—the work of good emulsification.
Outside the bathroom, BRIJ L23 sees action in pharmaceuticals as well. Some medications come as creams, ointments, or even as suspensions in liquids. Stabilizing those mixtures keeps them from separating, improving shelf-life and user experience. A well-designed pharmaceutical cream can make the difference between someone getting relief from eczema or suffering.
I once worked at a pharmaceutical lab where ingredients like BRIJ L23 meant we could test and develop products used by people every day. For every surfactant added, safety assessments guide their use. The Environmental Working Group and publicly available data paint BRIJ L23 as generally safe when used properly. Allergic reactions to these surfactants rarely pop up for most of us. This attention to safety comes from years of testing; the FDA and cosmetic regulatory bodies track how much is safe in a product you put on your skin.
We live in a world where consumers demand both safe and high-performing products. If you’ve dealt with a lotion that separated and became watery, that disappointment sticks with you. Product stability defines brand trust, and BRIJ L23 brings that backbone to many formulating teams. It’s not just about blending; it’s about maintaining performance over time, in the truck on the way to the store, in your bathroom in summer and winter.
There’s also an environmental side to this. Surfactants get a lot of scrutiny over their impact on waterways. Existing research says BRIJ L23 breaks down under normal environmental conditions, which helps ease concerns. Brands have grown more transparent about ingredient sourcing and biodegradability, giving shoppers more information than ever.
As someone who’s tinkered with formulations, I know alternatives keep labs busy. Companies keep pushing for greener, safer chemistry as consumer expectations evolve. BRIJ L23, thanks to its track record and the balance it strikes between effectiveness and safety, continues to find a solid place in the toolkits of formulators. It’s not a perfect solution, but as we learn more from science and user feedback, every product on our shelves gets a little bit better—one molecule at a time.
Once you start dealing with surfactants in any lab or manufacturing setup, you come across names like BRIJ L23 pretty quickly. This non-ionic surfactant shows up in everything from pharmaceuticals to personal care products because it actually works. Its main feature comes down to the balance between being gentle and still getting results. It’s made from polyoxyethylene lauryl ether, a mouthful for sure, but what it means is a fatty alcohol chain dressed up with a cluster of ethylene oxide units. This structure allows it to play nice with water and oil at the same time, which is a rare quality.
Having used BRIJ L23 in formulating creams and cleaning products, I know how important its stability can be. Products need to stay mixed and have a smooth texture from the first squeeze to the last bit in a bottle. BRIJ L23 does that without creating foam mountains or messing with the consistency, especially handy for leave-on products where feel and gentleness go hand in hand. In a pharmaceutical setup, that same mildness even stretches to sensitive skin applications, which aren’t just marketing—patients really feel the difference.
You see it a lot in solubilizing essential oils or vitamins that would otherwise float to the top or clump at the bottom. For cosmetic developers, that opens doors, since adding botanicals has become almost expected. Without a surfactant like this, those ingredients wouldn’t deliver real benefits or a pleasant look. BRIJ L23 keeps active substances where they belong throughout the whole shelf life.
Manufacturers want predictability. Consistency in production not only saves headaches but keeps costs manageable, and BRIJ L23 delivers batch after batch because of its straightforward chemical composition. It dissolves easily in water, which means the mixing process doesn't drag on or demand special equipment. That alone shaves time off large-scale manufacturing, and time—speaking from experience in a production facility—adds up to real money saved over a year.
There’s another layer I’ve noticed from suppliers who care about safety and regulations: BRIJ L23 tends to check the right boxes. It passes safety reviews for skin and eyes at reasonable concentrations and earns approval in Europe and North America for various uses. Manufacturers and formulators don’t want to guess if a batch complies with rules, especially during audits. BRIJ L23 has a strong record on that front.
As demand grows for cleaner, safer formulas, even standard workhorse surfactants get scrutiny. Teams ask if BRIJ L23 breaks down in nature or lingers. Current research shows it does biodegrade under common conditions, which offers peace of mind if you design products with sustainability goals. Still, that doesn’t take away the need for responsible sourcing and smart waste treatment steps, something I learned the hard way managing a plant with fluctuating wastewater loads. It fits in product lines aiming for green claims but only as one piece of the system, not the full solution.
Switching to BRIJ L23 for more demanding blends, companies should look at their full formula to make the most of its features. Pairing it with the right preservatives can avoid performance drops, especially if formulas cross over into challenging pH ranges or include tricky natural extracts. Training staff to handle it cleanly, supporting recycling in the packaging stream, and monitoring ingredient sources will shape how far sustainability goals can be pushed. Tapping into supplier know-how, rather than trial-and-error, speeds up innovation cycles for both established brands and small upstarts trying to punch above their weight in the market.
From formulation all the way to end product claims, BRIJ L23 earns its spot for reliability, safety, and versatility. It helps bridge the needs of product makers juggling performance, compliance, and growing consumer expectations for transparency and better environmental choices. There’s no perfect ingredient, but experience says BRIJ L23 covers a lot of bases for today’s personal care and pharmaceutical needs.
Most people don’t glance twice at the ingredient list on a shampoo bottle or moisturizer. For many, names like BRIJ L23 slide by, unrecognized and unexamined. Yet it ends up right on our skin and, sometimes, a bit trickles into our everyday lives. BRIJ L23, known chemically as Polyoxyethylene (23) Lauryl Ether, plays a behind-the-scenes role as an emulsifier and surfactant, helping to blend oil and water in everything from cleansers to lotions. Chemists like those at the FDA and manufacturers look closely at ingredients like BRIJ L23 because safety leaves no room for shortcuts.
The debate over the safety of BRIJ L23 centers on several key points. A big concern people often voice about surfactants involves their ability to cause irritation or allergies. The Cosmetic Ingredient Review (CIR) Expert Panel examined BRIJ L-type ingredients, including BRIJ L23, and didn't uncover evidence of significant harm when used as formulated in products. Skin reactions have rarely turned up in studies, and overall absorption through the skin sits at a level that doesn’t trigger warning bells among toxicologists.
Reliable sources, like the European Commission and the U.S. Food and Drug Administration, keep BRIJ L23 on their safe lists, with guidelines on how much to use. Manufacturers, for their own reputation and out of compliance obligations, keep concentrations much lower than danger levels. In my own work with cosmetic brands, safety data always plays a founding role when developing new formulations – no brand wants to risk a recall, or worse, customer harm.
Questions about BRIJ L23 sometimes come from those wary of synthetic chemicals in self-care products. This wariness is understandable. The push for “clean” beauty has crept mainstream in the last decade. Terms like “parabens-free” and “sulfate-free” grab attention, but surfactants like BRIJ L23 don’t belong to the same controversial crowd. You won’t find peer-reviewed studies or reputable watchdog groups raising alarms on BRIJ L23 disrupting hormones or causing cancer. I’ve noticed that the largest outcry comes from online lists, not from dermatologists or toxicologists.
Real risks tend to come from misuse or poor-quality control. Unsafe levels, contamination, or cocktails of too many harsh surfactants can trigger skin problems. This happens rarely, thanks in part to strict laws on testing and labeling. For those with extraordinarily sensitive skin, or with history of allergies, patch testing new products always makes sense – something dermatologists have recommended for decades, long before “green” became a marketing buzzword.
The best way forward sits in transparency. Brands can help consumers by listing not just the INCI name, but the role each ingredient serves. This helps the average person make choices based on purpose, not fear. Regulators ought to keep tracking independent studies on long-term use and act quickly on any fresh evidence.
For those striving to reduce synthetic additives, more natural emulsifiers are hitting the shelves every year. These bring different challenges, like shorter shelf life or unexpected stability issues, but science keeps improving here. Until solid evidence emerges showing BRIJ L23 causes real harm, most people can use products containing it without worry.
Whenever I hear someone ask about the recommended usage level for BRIJ L23, memories of long hours at the lab bench come to mind. Surfactants like BRIJ L23 can transform a formula from average to outstanding, but the margin for error feels narrow, and measuring out “just enough” is never a trivial task. BRIJ L23, or Polyoxyethylene (23) Lauryl Ether, plays a supporting—sometimes starring—role in everything from personal care to pharmaceuticals. Most references point to using it in the 1% to 5% range by weight. That’s not a rule of thumb pulled out of thin air. It’s based on a careful balance between chemical performance and product safety, as well as consumer comfort.
Adding any surfactant, even well-known ones like this, takes a bit of trust in the science and an understanding of what the end goal looks like. No one wants a formula stripped of skin lipids or a tablet crumbling too soon after pressing. Using more BRIJ L23 than needed might create an overly foamy, sticky, or irritating product. Leaning too far the other direction could mean a lackluster performance, which shows up as separation, poor emulsification, or incomplete wetting—problems that customers spot right away.
In my own work, I relied heavily on supplier technical sheets and industry handbooks. Croda, BRIJ’s producer, consistently mentions the 1% to 5% range as the safe and effective window. Inputs from toxicology studies back up that recommendation. The European Chemicals Agency lists this class of surfactants as low hazard within those margins, and several peer-reviewed studies point toward irritation above 5% in leave-on applications. For rinse-off products, the risk drops a bit, but the smart money doesn’t go above 5% without a strong reason.
Real-world formulating rarely lines up perfectly with textbook advice. Sometimes, I nudged the upper range for stubborn actives or tricky emulsions, and brought it lower for sprays or lightweight lotions where skin feel ranked higher than sheer function. Testing always provided the final say. Nothing replaces running a panel of stability or irritation tests, especially when creating something new. Labs often run prototypes at 1%, 3%, and 5%—watching for clear separation, foaming, or user complaints.
Customers’ growing awareness of ingredients drives demand for transparency. Trouble often starts once levels inch up, especially in finished products meant for sensitive skin or frequent use. Product recalls and reformulations eat up time and budgets, so early diligence pays off.
Starting a development project, I always pull up the technical data, then run a risk assessment. Reviewing safety data from groups like the Cosmetic Ingredient Review (CIR) helps catch ingredient risks before they reach the market. After locking in a target use level, stability and safety must be tested thoroughly.
For BRIJ L23, responsible formulation means using the lowest level needed to get the job done, rarely above 5%. Making adjustments based on the specific function in your formula—emulsifier, wetting agent, or solubilizer—makes sense, backed by hands-on trials and user feedback. Sticking close to the recommended range is a straightforward way to build trust with both the regulatory world and your customer base.
Step into a lab or glance over the ingredient list on a personal care label, and BRIJ L23 might catch your eye. The technical side of this ingredient points right to its International Nomenclature Cosmetic Ingredient (INCI) name: Laureth-23. That simplifies tracing it in regulatory paperwork and helps keep conversations about safety on track.
BRIJ L23 doesn’t hide any secrets in its composition. It’s an ethoxylated fatty alcohol, which means it starts with lauryl alcohol—sourced from plants or synthetically made—and goes through a process called ethoxylation. In plain talk, that involves adding a chain of ethylene oxide molecules—here, it’s 23 on average—which links up to the original alcohol. This process gives BRIJ L23 its full chemical family name: Polyoxyethylene (23) lauryl ether.
What comes out of this process is a non-ionic surfactant. It doesn’t carry a charge, so it sits comfortably in both water and oil-loving environments. That’s a big reason why BRIJ L23 has a seat at the table in cleaning products, personal care formulas, and even in some industries looking for reliable emulsifiers.
Names like Laureth-23 help companies play by the rules. Regulatory bodies and global markets want clarity, especially where skin contact and safety are concerned. Using standard INCI names means there’s less risk of confusion, mislabeling, or issues down the line. With millions dealing with allergies or sensitivities, transparency protects both the formulator and the end user.
From my own forays into cosmetic product research, clear information about chemicals leads to better decisions. Laureth-23 falls under many safety assessments, with the Cosmetic Ingredient Review (CIR) and European Chemicals Agency weighing in. Reports show that, at typical use levels, BRIJ L23 doesn’t raise major red flags. Occasional skin irritation may surface, especially for people with very sensitive skin, but the broader consensus points to safety in rinse-off products.
Still, ongoing research keeps everyone honest. With ethoxylation, there’s always potential for byproducts like 1,4-dioxane, which gets people talking about purification steps and careful monitoring. Many brands now demand BRIJ L23 purified to strict levels, often below one part per million for contaminants.
The world leans towards cleaner labels. If you ask long-time formulators, many see growing pressure to disclose every detail—not just the “safe” ingredients, but sourcing and production details, too. Some companies have shifted to alternative surfactants from natural sources or developed processes that reduce residual chemicals.
Quality testing matters. A batch of BRIJ L23 made carelessly, with impurities left in, puts both safety and trust at risk. Reliable suppliers test for residues, and high-performing brands publish results publicly or offer data to their customers.
As the ingredient landscape evolves, clear naming and transparency remain non-negotiable values. Consumers, formulators, and regulators all play a part in keeping products honest and safe. BRIJ L23, with its INCI name Laureth-23 and distinct chemical build, offers a snapshot of how precise science, safety, and trust can fit together in everyday products.
| Names | |
| Preferred IUPAC name | Polyoxyethylene (23) lauryl ether |
| Other names |
Polyoxyethylene (23) lauryl ether Laureth-23 EO 23 Lauryl Ether |
| Pronunciation | /ˈbrɪdʒ ˈɛl ˈtwɛnti θriː/ |
| Identifiers | |
| CAS Number | 9005-64-5 |
| Beilstein Reference | 3790046 |
| ChEBI | CHEBI:600136 |
| ChEMBL | CHEMBL2146367 |
| ChemSpider | 79450 |
| DrugBank | DB11195 |
| ECHA InfoCard | ECHA InfoCard: 03-2119482569-23-0000 |
| EC Number | 9005-64-5 |
| Gmelin Reference | 90258 |
| KEGG | C16582 |
| MeSH | Polyoxyethylene Sorbitan Monolaurate |
| PubChem CID | 24866357 |
| RTECS number | BDG1095000 |
| UNII | 356B9P9U1C |
| UN number | UN3082 |
| Properties | |
| Chemical formula | C18H37(OCH2CH2)23OH |
| Molar mass | 1180 g/mol |
| Appearance | Light yellow, clear liquid |
| Odor | Odorless |
| Density | ~1.02 g/cm³ |
| Solubility in water | Dispersible |
| log P | 0.9 |
| Vapor pressure | Negligible |
| Basicity (pKb) | 6.5 (pKb) |
| Magnetic susceptibility (χ) | -7.7e-06 |
| Refractive index (nD) | 1.070 |
| Viscosity | Viscosity: 35 cP (25°C) |
| Dipole moment | 1.776 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 502.2 J·mol⁻¹·K⁻¹ |
| Pharmacology | |
| ATC code | V06DD |
| Hazards | |
| Main hazards | Causes serious eye irritation. |
| GHS labelling | GHS labelling: Not classified as hazardous according to GHS. |
| Pictograms | GHS02, GHS07, GHS09 |
| Signal word | Danger |
| Hazard statements | H319: Causes serious eye irritation. |
| Flash point | > 229 °C |
| Lethal dose or concentration | LD50 (Oral, Rat): > 5,000 mg/kg |
| LD50 (median dose) | LD50 (median dose): Oral rat LD50 > 30,000 mg/kg |
| NIOSH | PP972 |
| PEL (Permissible) | 10 mg/m3 |
| REL (Recommended) | 2.0 - 2.5% |
| IDLH (Immediate danger) | Not established |
| Related compounds | |
| Related compounds |
Polyethylene glycol Polyoxyethylene fatty alcohols Brij 35 Brij 52 Brij 56 Brij 58 Brij S |
