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Product Name: Dioctyl Sodium Sulfosuccinate
Synonyms: Sodium dioctyl sulfosuccinate, DOSS, AOT
Chemical Formula: C20H37NaO7S
CAS Number: 577-11-7
Recommended Use: Surfactant, wetting agent, emulsifier in pharmaceuticals, cosmetics, cleaning products, industrial applications
Manufacturer Information: Supplier contact details, including address, emergency contact phone number, and website
Emergency Overview: White to off-white, waxy solid or powder, mild odor, hygroscopic properties
GHS Classification: Eye irritation (Category 2A), Skin irritation (Category 2), Acute aquatic toxicity (Category 2)
Signal Word: Warning
Hazard Statement: Causes skin and eye irritation, may be harmful if inhaled or swallowed, toxic to aquatic life with long-lasting effects
Precautionary Statements: Wear protective gloves, avoid breathing dust, avoid release to the environment
Potential Health Effects: Skin contact reddens skin and may cause dermatitis, eye exposure leads to moderate irritation, ingestion might produce nausea and abdominal discomfort
Label Pictograms: Exclamation mark, Environment
Chemical Name: Dioctyl Sodium Sulfosuccinate
Concentration: > 98% (commercial grades often exceed 99%)
CAS Number: 577-11-7
Impurities: Trace levels of dialkyl sulfosuccinates, residual solvents or unreacted alcohols (less than 0.5%)
Additives: Some industrial grades may contain anticaking agents; pharmaceutical grades are pure
Inhalation: Move person to fresh air, keep at rest, get medical attention if symptoms develop
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, seek medical care for persistent irritation
Eye Contact: Flush with plenty of water for at least 15 minutes, hold eyelids open, consult an ophthalmologist if irritation continues
Ingestion: Rinse mouth with water, drink small amounts of water to dilute, do not induce vomiting, seek immediate medical attention
Most Important Symptoms: Significant redness, burning, itching, gastrointestinal discomfort
Advice for First Responders: Wear gloves and eye protection when providing assistance
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Media: Direct stream of water (can scatter material)
Hazardous Combustion Products: May release oxides of carbon, sulfur oxides, sodium oxides, and fumes
Fire Hazard: Does not ignite easily, can burn at high temperatures
Protective Equipment: Firefighters need self-contained breathing apparatus, full protective clothing
Specific Hazards: Melting can lead to slippery floors, firefighting runoff may cause environmental damage
Personal Precautions: Avoid dust formation, ventilate area, use personal protective equipment including gloves and goggles
Environmental Precautions: Prevent entry into waterways, soil, or drains due to aquatic toxicity
Spill Cleanup Methods: Scoop up material with shovel, place in suitable containers for disposal, use absorbents for large spills, wash affected area with water
Disposal of Collected Material: Dispose of according to local regulations, keep material out of surface water drains and sewers
Handling: Wear appropriate PPE, avoid breathing dust, wash hands after use, prevent mechanical generation of dust
Storage: Keep container tightly closed, store in cool and dry place, protect from moisture and strong acids, store in original containers away from incompatible substances
Storage Conditions: Avoid temperature extremes, keep away from food and beverages
Special Requirements: Label storage areas with hazard warnings, maintain good housekeeping to prevent pileup and spills
Exposure Limits: No OSHA or ACGIH exposure limits, keep workplace dust below nuisance concentrations (typically < 10 mg/m3 total dust)
Engineering Controls: Use local exhaust ventilation to minimize dust, keep area well-ventilated
Personal Protective Equipment: Safety glasses or goggles, chemical-resistant gloves, lab coats or aprons, dust masks or respirators if ventilation is not adequate
Workplace Practices: Regularly clean surfaces, avoid eating, drinking, or smoking during handling
Hygiene Measures: Wash hands before eating or using the restroom, launder work clothes frequently
Appearance: White to off-white powder, flakes, or granules
Odor: Mild, characteristic odor
Melting Point: 148-154°C (298-309°F)
Boiling Point: Not applicable (decomposes before boiling)
Solubility: Soluble in water, forms gels at higher concentrations
pH (1% solution): 6.0–7.5
Density: Around 1.1 g/cm3
Vapor Pressure: Negligible
Partition Coefficient (log Kow): 1.6–4.2 depending on composition
Flash Point: Not flammable in standard conditions
Auto-Ignition Temperature: Not determined
Evaporation Rate: Not applicable
Chemical Stability: Stable under normal handling and storage conditions
Conditions to Avoid: Excessive heat, exposure to strong acids or strong oxidizing agents
Incompatible Materials: Strong acids, strong oxidizers (can cause hydrolysis or release of sulfur oxides)
Hazardous Decomposition Products: Carbon oxides, sulfur oxides, sodium oxide when heated to decomposition
Polymerization: Does not polymerize
Acute Toxicity: LD50 (oral, rat): 1900 mg/kg; LD50 (dermal, rabbit): >5000 mg/kg
Skin Irritation: Causes moderate irritation on prolonged or repeated exposure
Eye Damage: Moderate irritation, may cause temporary discomfort
Inhalation Effects: High concentrations of dust can irritate the respiratory tract
Chronic Exposure: No evidence of carcinogenicity or reproductive harm in available studies
Sensitization: Not known to cause allergic skin or respiratory reactions
Other Effects: No known mutagenicity; limited data on exposure repeatability
Aquatic Toxicity: Acute LC50 (fish): 27 mg/L (96 hr, fathead minnow); EC50 (daphnia): 40 mg/L (48 hr); toxic to algae in similar ranges
Persistence: Not persistent, degrades by hydrolysis and microbial action in wastewater treatment systems
Bioaccumulation: Low potential, low log Kow values
Mobility in Soil: Highly mobile, may leach into groundwater if not properly contained
Environmental Fate: Breaks down rapidly in the environment under aerobic conditions
Waste Disposal Methods: Dispose of immiscible materials as special waste according to local, regional, and national regulations
Contaminated Packaging: Clean packaging thoroughly before recycling; otherwise, send to approved waste disposal facilities
Handling of Waste: Do not flush into surface water or sewers, avoid contamination of soil and groundwater
RCRA Status: Not listed as a hazardous waste under RCRA
UN Number: Not classified as dangerous goods by DOT, IATA, or IMDG
Proper Shipping Name: Dioctyl Sodium Sulfosuccinate
Transport Hazard Class: Not regulated
Packing Group: Not applicable
Environmental Hazards: May be hazardous to aquatic environments in cargo spillage
Special Transportation Notes: Ship in tight, sealed containers; protect from moisture and strong oxidizers during transport
TSCA Status: Listed on the TSCA Inventory
DSL/NDSL (Canada): Listed
REACH Status: Registered for commercial use in the European Union
SARA Title III: Not considered an extremely hazardous substance, not subject to Section 313 reporting
California Prop 65: Not listed
Other Regulations: Meets standards for use in cosmetics and pharmaceuticals under FDA and USP where applicable
Worker Safety: OSHA hazard communication rules apply due to irritation potential
