Product Name: Sodium Alpha-olefin Sulfonate
Common Names: AOS, Sodium C14-16 Olefin Sulfonate
Recommended Uses: Surfactant for detergents, shampoos, personal care, and industrial cleaners
Manufacturer: Contact specific manufacturer for details
Emergency Contact: Refer to local regulations or manufacturer
Synonyms: Sulfonic acids, C14-16-alkene, sodium salt; Sodium C14-16 alkene sulfonate
CAS Number: 68439-57-6
Address and Phone: Provided by supplier – check product label or safety office
GHS Classification: Eye Irritant (Category 2A), Skin Irritant (Category 2)
Label Elements: Warning – causes serious eye irritation, may cause mild skin irritation
Hazard Statements: H315: Causes skin irritation; H319: Causes serious eye irritation
Precautionary Statements: Wear protective gloves and eye protection, wash thoroughly after handling, avoid release to environment
Emergency Overview: Irritant to skin, eyes, and potentially respiratory system if inhaled as dust or spray
Environmental Hazards: May be harmful to aquatic life in concentrated form
Other Hazards: Prolonged exposure can increase dryness and irritation of skin
Main Ingredient: Sodium Alpha-olefin Sulfonate (70-97%)
Chemical Family: Anionic Surfactant
Impurities: Water (3-30%), unreacted olefin, trace inorganic salts, trace organic sulfonates
Chemical Formula: R-CH=CH-(CH2)x-SO3Na (mixture of C14-C16 chain length)
Stabilizers or Additives: Not intentionally added; consult supplier if required
Hazardous Components: No components present at or above the threshold that require disclosure under GHS or OSHA unless noted by manufacturer
Inhalation: Remove to fresh air, administer oxygen if breathing is difficult, seek medical attention if symptoms persist
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, remove contact lenses if present, continue rinsing, seek medical advice
Skin Contact: Wash off with soap and water, remove contaminated clothing, consult physician if irritation develops
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical advice
Most Important Symptoms: Redness, irritation, burning sensation of eyes or skin, possible upset stomach if ingested
Notes for Physician: Treat symptomatically, monitor for allergic reaction or persistent irritation
Suitable Extinguishing Media: Water spray, dry chemical, CO2, foam
Special Hazards: May emit toxic fumes under combustion – including oxides of carbon and sulfur
Protective Equipment for Firefighters: Wear self-contained breathing apparatus and full protective gear
Precautions: Move product containers away from fire area if safe, prevent run-off into water sources
Non-flammable: Substance itself does not ignite easily, but organic matter and packaging may burn
Explosive Limits: Not applicable to product itself, always secure area and monitor air quality in closed spaces during fire
Personal Precautions: Avoid inhalation of dust or spray, ventilate area, use protective gloves, goggles, chemical resistant clothing
Environmental Precautions: Prevent run-off to soil, waterways, storm sewers; notify authorities if large release
Spill Cleanup Methods: Contain with absorbent material such as sand or earth, collect into containers for disposal, rinse small residues with plenty of water
Large Spills: Contain to prevent environmental spread, treat as industrial chemical hazard, use mechanical means for collection
Decontamination: Wash spill area with water and detergent, ventilate confined spaces
Waste Disposal: Place contaminated material in approved waste containers, follow local regulations
Handling Precautions: Use in well-ventilated area, avoid contact with eyes and prolonged skin exposure, do not breathe dust or mists
Storage Conditions: Store in cool, dry, well-ventilated place in tightly sealed containers
Incompatibilities: Strong acids or oxidizers may react with product
Storage Temperature: Typically 5-30°C (41-86°F); avoid freezing for liquid forms
Handling Equipment: Wear protective gloves and goggles during open transfers
Hygiene Measures: Wash hands after use, remove contaminated clothing before eating or drinking
Occupational Exposure Limits: No specific limits set by OSHA or ACGIH
Engineering Controls: Local exhaust ventilation recommended in closed areas
Personal Protection: Chemical-resistant gloves (nitrile or latex), splash-proof goggles, appropriate protective clothing
Respiratory Protection: Dust mask or air-purifying respirator as needed during dust-generating operations
Workplace Monitoring: Ensure adequate general and local ventilation
Other Protective Gear: Eyewash stations, safety shower in nearby zone
Appearance: Pale yellow to white powder, flakes, paste, or clear to yellowish liquid (depends on grade)
Odor: Mild, sometimes faint fatty odor
Odor Threshold: Not determined
pH (10% solution): 7.0–9.5
Melting Point/Freezing Point: Product is generally stable at ambient temperature, precise melting point varies with form
Boiling Point: Above 100°C (for aqueous solutions)
Flash Point: Not applicable for aqueous solutions
Evaporation Rate: Not volatile
Solubility: Fully soluble in water
Vapor Pressure: Negligible at room temperature
Density: 1.05 – 1.15 g/cm³ for liquids
Partition Coefficient (n-octanol/water): Not available
Decomposition Temperature: Product decomposes above 200°C
Viscosity: Varies; check technical data for specific grade
Chemical Stability: Stable under recommended handling and storage conditions
Thermal Stability: Can decompose on prolonged heating at high temperature
Incompatible Materials: Strong acids, strong oxidizers may react with sulfonate group or produce SO2 gas
Hazardous Decomposition Products: Sulfur oxides, sodium oxides, hydrocarbons
Conditions to Avoid: Excessive heat, direct sunlight, strong oxidizing conditions
Polymerization: Will not occur under normal conditions
Acute Toxicity: Oral LD50 (rat): >2000 mg/kg (relatively low acute toxicity)
Skin Corrosion/Irritation: Causes mild to moderate irritation with repeated exposure
Serious Eye Damage/Irritation: Causes significant eye irritation, risk increases with concentration
Respiratory Sensitization: Dust or mists may be irritating to respiratory tract
Chronic Effects: Long-term exposure may provoke dermatitis in sensitive individuals
Carcinogenicity: Not classified as carcinogen by IARC, NTP, or OSHA
Mutagenicity: No data indicating mutagenic potential
Reproductive Toxicity: No known effects reported in animal studies
Other Health Effects: Can provoke dryness, redness, itching on repeated contact
Aquatic Toxicity: LC50 (fish, 96 h): 1–10 mg/L (moderately toxic); EC50 (daphnia, 48 h): 1–10 mg/L
Persistence and Degradability: Readily biodegradable in aerobic conditions
Bioaccumulation Potential: Not expected to bioaccumulate
Soil Mobility: Mobile in soil due to high water solubility
Other Adverse Effects: High concentrations may cause foaming in aquatic systems, reducing oxygen transfer
Recommendations: Prevent concentrated solutions from entering surface waters and drains
Waste Treatment Methods: Dispose in accordance with local, regional, and national regulations
Product Waste: Dilute small quantities with water and send to municipal wastewater where permitted, or contract a licensed waste disposal company for hazardous or bulk quantities
Container Disposal: Triple-rinse empty containers and offer for recycling or disposal as permitted by authorities
Precautions: Avoid disposal in natural environments, especially in bulk amounts
Special Cases: State and local regulations may differ, check with relevant authorities prior to large-scale disposal
UN Number: Not classified as hazardous for transport under international regulations
UN Proper Shipping Name: Not regulated
Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not a marine pollutant
Special Precautions for Transport: Secure containers to avoid leaks and handle with standard industrial precautions
Additional Transport Notes: Non-hazardous for air, sea, and road transport unless mixed with hazardous ingredients or formulations
OSHA Status: Not considered hazardous under OSHA Hazard Communication Standard
TSCA Inventory: Listed
REACH Status (EU): Registered under applicable European regulations
SARA Title III: No components subject to reporting
DSL/NDSL (Canada): Listed
Special State Regulations: Product may appear on regional right-to-know lists; consult local/municipal guidance
Labeling Requirements: GHS-compliant warning and precautionary statements
Other Information: Workplace hazard training recommended where large quantities are handled
