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Name: Sulfonated Hydrocarbon Derivatives
Common types: Linear alkylbenzene sulfonate, sulfonated polyolefins, alkane sulfonates
Physical form: Liquid, paste, or powder, often clear to slightly yellow
Smell: Mild to strong, can resemble chemicals found in detergents
Main dangers include: Skin and eye irritation, possible respiratory discomfort from dust or vapor
Environmental risk: Toxic to aquatic life even in small concentrations
Other hazards: Some derivatives can cause sensitization after repeated exposure
NFPA indicators: Some grades rate moderate on health and reactivity; fire risk rises for powdered forms exposed to high heat
Key components: Sulfonated hydrocarbons; presence of sodium, potassium, calcium, or ammonium salts depending on the recipe
Impurities: May bear residual unreacted hydrocarbons, sulfuric acid byproducts
Concentration: Active ingredient percentage varies widely—from 20% in diluted forms up to 90% in industrial concentrates
Skin contact: Wash with water and mild soap for several minutes; remove contaminated clothing
Eye contact: Rinse gently with clean water for a minimum of 15 minutes; avoid rubbing
Inhalation: Move to fresh air; seek medical help if symptoms persist or worsen
Ingestion: Rinse mouth, avoid inducing vomiting unless directed by a healthcare professional
Suitable extinguishing media: Use foam, dry chemical, or carbon dioxide for most forms
Special dangers: Burning can release sulfur oxides and irritating fumes
Advice for firefighters: Wear self-contained breathing protection and chemically resistant clothing; keep run-off out of water supplies
Containment: Stop spill at source using earth, sand, or absorbent pads—avoid water washing
Clean-up: Gather spilled material, place in suitable waste containers, minimize dust or splashing
Ventilation: Increase airflow in affected area to dissipate vapors
Environmental precautions: Prevent runoff to drains, surface waters, and soils where possible
Handling: Use gloves and eye protection; avoid breathing fumes or dust
Hygiene: Wash arms and face before eating or drinking; store away from food and beverages
Storage: Keep in tightly closed containers in a dry, cool, well-ventilated space
Incompatibility: Avoid storing with strong oxidizers, acids, or bases which can cause violent reactions
Engineering controls: Use local exhaust ventilation especially with powder or concentrated liquids
Personal protection: Chemical-resistant gloves, safety goggles, and long sleeves are recommended
Respiratory protection: A dust mask or respirator for dust or aerosol exposure
Workplace limits: No established OSHA PEL for most derivatives, but avoid long-term unprotected exposure
Appearance: Clear to slightly yellow, liquid or powder
Odor: Usually mild to pungent
Solubility: Highly soluble in water, insoluble in most non-polar solvents
pH: Varies with dilution, often acidic to slightly alkaline
Boiling or melting point: Highly variable, depending on salt form and concentration
Vapor pressure: Low, but powders can still cause airborne dust risks
Stability: Stable under normal storage and usage temperatures
Reactivity: Reacts with strong acids and oxidizers
Hazardous byproducts: Decomposition can yield sulfur oxides and hydrocarbons
Avoid: Freezing, extreme heat, direct sunlight, and mixing with incompatible chemicals
Acute toxicity: Oral LD50 varies by composition; can be harmful if swallowed in large amounts
Chronic exposure: Prolonged skin contact sometimes triggers dermatitis
Inhalation risk: Dust or mist may irritate respiratory tract; rare reports of asthma in sensitive individuals
Carcinogenicity: No current evidence links these compounds to cancer in humans
Other health effects: May cause temporary burning or stinging upon contact
Aquatic impact: High toxicity to aquatic organisms, including fish and invertebrates
Degradability: Many sulfonates break down slowly; some variants resist easy biodegradation
Bioaccumulation: Less common due to water solubility, but breakdown products can still harm aquatic food chains
Soil effects: Can travel through soil with water runoff, increasing migration potential
Waste method: Take unused material to a licensed hazardous waste facility
Avoid: Pouring into drains, natural water bodies, or unlined landfills
Recommendations: Follow national or local hazardous waste regulations; containers should be triple rinsed or incinerated
Transport classification: Usually not regulated for road, rail, or sea transport unless in bulk or high-concentration form
Packaging: Sealed drums or lined containers, leak-proof and labeled
Special precautions: Secure loads properly to prevent spillage during movement; emergency plans for accident response in place on major routes
Regulations: Many countries classify these chemicals under environmental and workplace safety regulations, including REACH in the EU and TSCA in the US
Worker rights: Workers should have full access to hazard communication and safety information
Labeling: Clear labeling as irritant, aquatic hazard, or as otherwise required by law; safety pictograms displayed on containers
