© 2026 Nanjing Finechem Holdings Co., Ltd,
All Right Reserved
30% Acrylamide-Bisacrylamide Solution stands as a staple in labs around the world, especially for anyone running protein gels, DNA electrophoresis, or pooling reagents for research and production processes. This solution, built by mixing acrylamide and N,N′-methylenebisacrylamide in a specific ratio (commonly 29:1 or 37.5:1), forms the backbone for polyacrylamide gels. The solution stays clear and colorless in its pure state. Acrylamide-C3H5NO-has a molecular weight of 71.08 g/mol, while bisacrylamide-C7H10N2O2-has a weight of 154.17 g/mol. Mixture at 30% total monomer concentration gives enough polymerization potential for building gels with crisp pores, ideal for separating proteins or nucleic acids at high definition.
As someone who has spent long days in front of electrophoresis tanks, I can tell you that every bottle of 30% Solution gets treated with respect. The solution is aqueous, viscous, and packs a significant chemical punch. It pours clear, flows like syrup, and settles evenly. Acrylamide brings reactivity and forms the long-chain backbone, while bisacrylamide plays the cross-linker, tying sheets of polyacrylamide into stable, consistent gels. The density usually sticks around 1.11 g/cm³. It stores well if kept in cool and dark places, since heat and light will nudge it towards polymerization, making it useless for fine gels. In the lab, concentration, purity, and even the lot number can mean the difference between crisp gel bands and a smeary mess.
The 30% Solution's breakdown usually lists around 29% acrylamide and 1% bisacrylamide by weight, with the rest being deionized water. Standard formulas often use the monomer ratio to suit specific pore sizes—changing the ratio changes separation clarity. Suppliers mark each bottle with batch-specific specs, including lot number, expiry date, and molecular ratios. The solution comes in liquid form, and the usual packaging volume ranges from 500 mL to 1 liter, sealed in brown bottles or HDPE containers for protection against UV. The HS Code for this raw material often reads 292419, covering acyclic amides and derivatives, which regulates export and import. The solution’s density, pH (generally neutral at about 7), clarity, and the absence of precipitation all play a role in batch verification before scientific use.
Pure acrylamide and bisacrylamide ship as dry, white crystalline powders. Gel makers know to handle these with strict safety to avoid inhalation or skin contact. The 30% solution turns these raw powders into an easy-to-handle liquid that reduces the risk of airborne particles but doesn't eliminate danger. The liquid formula means no need to weigh out small, static-y amounts—a huge advantage during busy runs. You may still see these chemicals sold in pearls, flakes, or solid blocks for industry, but labs almost always choose the solution to cut down on prep time and possible exposure. While working with solid or powdered acrylamide, spills become a big deal fast, especially since cleanup means full protective suits and waste runs.
The solution uses acrylamide (C3H5NO) and bisacrylamide (C7H10N2O2). Blending them at 30% w/v means adding 30 grams of total acrylamide plus bisacrylamide per 100 mL of water. The solution's density sits at about 1.11 g/mL, thicker than water but still pourable and mixable with other buffer solutions. This density means you can't just swap milliliters for grams without careful calculation, or experimental results get thrown off. Viscosity rises with colder storage, so it works best around room temperature. The correct density ensures even gel casting, reducing air bubbles and streaked lanes.
Acrylamide stands classified as hazardous. Unpolymerized acrylamide and its solutions hold toxic and potentially carcinogenic properties—exposure through skin, inhalation, or accidental ingestion brings serious health risks like neuropathy and cancer with chronic exposure. Every bottle carries hazard codes and chemical warnings for a reason. The 30% Solution needs chemical-resistant gloves, safety goggles, and good lab ventilation. I’ve seen spills handled with urgency—anything that touches the solution gets special chemical waste disposal, never regular trash. SDS (Safety Data Sheet) paperwork spells it out, flagging neurotoxicity risk. Once acrylamide polymerizes, toxicity drops off, but you treat all unpolymerized solution like a major risk. Cleaning up after gel casting sessions means double gloves, rinsed benches, and collected waste.
Most routine lab life revolves around this solution. Polyacrylamide gels, made on demand for PAGE (polyacrylamide gel electrophoresis), let scientists sort proteins, DNA, and RNA by size. The 30% formula gives flexibility—diluting down to cast different percentage gels as experiments need. High-resolution gels for fingerprinting, protein studies in biochemistry, diagnostics, or even food quality checks all lean on reliable acrylamide-bisacrylamide solutions. Industrial scope goes wider, where polyacrylamide polymers work as flocculants in water treatment or as thickeners in paper production, but for most scientists, that bottle on the lab shelf means genetic research and protein mapping.
Raw materials for the solution must remain high-purity to prevent banding artifacts and failed polymerizations. Suppliers test for inhibitors, heavy metals, or other contaminants before making the solutions available. Stricter regulations on exposure mean both manufacturers and users have responsibility—MSDS updates, better leak-proof packaging, and improved waste-handling processes. Replacing acrylamide with less hazardous materials is ongoing, but for now, accuracy and reproducibility in science depend on these historic chemical solutions. Every lab worker learns to respect the risk and trust in the product’s reliability, understanding that poor-quality raw materials hurt scientific integrity and may lead to incorrect results in critical studies.
Reducing health risks from acrylamide-based solutions starts with better training. Fresh lab workers learn hands-on from experienced techs who stick to protocols—fume hoods on, gloves up, spill kits at the ready. Procedural improvements like auto-dispense units cut down on handling, and tighter bottle seals avoid leaks. I’ve seen labs phase out dry powder prep wherever possible, since every extra gram weighed risks a spill or inhalation. Some companies move to supply pre-cast gels or develop less-toxic substitutes, but switching takes funding, validation, and time. Until then, strict oversight and routine safety drills keep risk manageable. Waste handling has stepped up too, with special collection containers and bi-annual waste audits helping labs meet stricter environmental codes. The heavy weight of regulation may frustrate some, but it keeps both scientists and the wider community safe, and every safe day in the lab preserves the chance for scientific discovery.
