Product Name: Dodecyl Benzene Sulfonate Sodium Powder
Synonyms: Sodium Dodecylbenzenesulfonate, SDS, SDBS
Recommended Use: Detergent, wetting agent, cleaning formulations
Manufacturer or Supplier: Manufacturer details required from label or supplier
Emergency Phone: Emergency contact available on shipping documentation or on packaging
Relevant Identified Uses: Household and industrial cleaning, emulsification in chemical processes, textile processing, and pesticide formulations
Restrictions On Use: Not suitable for pharmaceutical or food applications without additional regulatory approval
Classification: Eye irritation Category 2A, Skin irritation Category 2
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation
Pictograms: Exclamation mark (GHS07)
Precautionary Statements: Avoid breathing dust, wash hands thoroughly after handling, wear protective gloves, eye and face protection needed, seek medical attention if symptoms occur, avoid release to the environment
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Target Organs: Eyes, skin, respiratory tract
Effects of Overexposure: Redness, itching, watery eyes, sore throat, coughing
Chemical Name: Dodecyl Benzene Sulfonate Sodium
CAS Number: 25155-30-0
Concentration: 85% to 93% (by weight)
Other Ingredients: Sodium sulfate, sodium chloride, moisture traces
Impurities: Low-level linear or branched isomers, possible trace residual organic solvents from synthesis
Substance/Mixture: Substance
Molecular Formula: C18H29NaO3S
Molecular Weight: 348.48 g/mol
Inhalation: Move to fresh air immediately, keep individual calm and at rest, seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing, wash skin thoroughly with water and mild soap, seek medical help if irritation continues
Eye Contact: Rinse eyes cautiously with water for at least 15 minutes, lift eyelids occasionally, remove contact lenses if present and easy to do, continue rinsing and seek medical advice
Ingestion: Rinse mouth with water, do not induce vomiting, drink water to dilute if the individual is conscious, seek immediate medical attention; never give anything by mouth to an unconscious person
Most Important Symptoms and Effects: Severe irritation, burning of eyes, skin redness, coughing or shortness of breath after exposure
Notes to Physician: Treat symptomatically, monitor for respiratory distress, supportive care based on clinical judgement
Suitable Extinguishing Media: Water spray, foam, carbon dioxide, dry chemical powder
Unsuitable Extinguishing Media: Avoid high-pressure water streams that may spread the material
Specific Hazards: Product is combustible, emits toxic fumes (e.g., sulfur oxides, hydrocarbons, sodium oxides) when decomposed by heat
Protective Equipment and Precautions: Firefighters require self-contained breathing apparatus, full protective clothing
Special Procedures: Cool exposed containers with water spray, prevent firewater and debris from entering drains or watercourses
Personal Precautions: Evacuate non-essential personnel, avoid contact with skin, eyes and clothing, prevent dust formation, ventilate area
Protective Equipment: Gloves, goggles, dust mask or respirator, protective clothing
Environmental Precautions: Do not allow powder to enter drains, surface water or soil, inform proper authorities about substantial spills
Methods for Clean Up: Wear suitable PPE, sweep up and collect in dry, sealable containers for disposal, avoid raising dust, wash spill area with plenty of water; for large spills, dike area to prevent runoff, dispose of according to local regulations
Decontamination: Use detergent solution for final cleaning of contaminated surfaces, avoid use of solvents that could volatilize product
Handling: Handle in well-ventilated areas, minimize dust generation, avoid contact with skin and eyes, keep containers tightly closed when not in use, wash hands after handling, do not eat, drink, or smoke during use
Storage: Store in cool, dry, well-ventilated area away from direct sunlight, heat sources and incompatible substances such as strong oxidizers, acids, store in original containers or containers lined with inert materials, ensure containers are labeled securely
Storage Temperature: Recommended to be between 10°C and 30°C
Incompatibilities: Strong acids and oxidizing agents
Specific End Uses: Ensure controls are in place to block release to environment during use and storage
Occupational Exposure Limits: No specific occupational exposure limit value set, use general dust limits (e.g., 10 mg/m³ inhalable dust, 3 mg/m³ respirable dust)
Engineering Controls: Local exhaust ventilation, dust extraction equipment at points of dust generation
Eye Protection: Use safety goggles with side shields
Hand Protection: Wear chemical-resistant gloves such as nitrile or neoprene
Skin Protection: Long sleeved work clothing, chemical resistant apron
Respiratory Protection: If potential for airborne exposure exists, use approved particulate respirators (e.g., N95 or higher)
Hygiene Measures: Practice good industrial hygiene, no eating or drinking in work area, wash thoroughly after contact
Appearance: White to slightly off-white powder or granule
Odor: Mild aromatic, slightly soapy
Odor Threshold: Not available
pH (1% solution): About 7.0 - 9.0
Melting Point / Freezing Point: Decomposes before melting
Boiling Point: Not applicable (solid at room temperature)
Flash Point: Not applicable
Evaporation Rate: Not applicable
Flammability: May support combustion at high temperatures
Explosion Limits: No data relevant, low likelihood of dust explosion
Vapor Pressure: Not applicable
Vapor Density: Not applicable
Relative Density: About 0.25 – 0.40 g/cm³ (bulk density)
Solubility in Water: Readily soluble
Partition Coefficient (n-octanol/water): Not available
Auto-ignition Temperature: >300°C (estimate)
Decomposition Temperature: Above 250°C
Viscosity: Not applicable (powder)
Stability: Stable under recommended storage and handling conditions
Reactivity: Does not react in ambient conditions; can hydrolyze under acidic conditions
Chemical Stability: Sensitive to moisture, heat and strong acids
Conditions to Avoid: High humidity, strong sources of heat, open flames, contact with acids or oxidizing agents
Incompatible Materials: Strong oxidizers, strong acids, strong bases
Hazardous Decomposition Products: Sulfur oxides, sodium oxides, carbon oxides, combustion byproducts
Polymerization: Will not occur under normal conditions
Acute Toxicity: Oral LD50 (rat): 438 mg/kg, Dermal LD50 (rabbit): >2000 mg/kg
Inhalation Toxicity: May cause mild respiratory irritation at high dust concentrations
Skin Irritation: Causes irritation, especially with prolonged or repeated contact
Eye Irritation: Causes serious eye irritation, risk of irreversible damage if not rinsed out promptly
Chronic Effects: Repeated or prolonged exposure may lead to dermatitis
Sensitization: Not classified as a skin sensitizer
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, OSHA
Mutagenicity: No evidence of mutagenic effects
Reproductive Toxicity: No evidence of reproductive harm in animal studies
Other Health Effects: Product is not known to accumulate in body tissues
Aquatic Toxicity: Toxic to aquatic organisms, LC50 (fish, 96h): ~1-10 mg/L
Persistence and Degradability: Product is biodegradable, but can persist under certain conditions
Bioaccumulation Potential: Low tendency to bioaccumulate, but can accumulate in sediments
Mobility in Soil: Moderately mobile in soil and aquatic environments
Other Adverse Effects: Harmful to aquatic vegetation and invertebrates, can cause foaming in wastewater resulting in oxygen depletion
Disposal Impact: May disrupt wastewater treatment at high concentrations
Waste Treatment Methods: Recycle unused powder where possible; otherwise, dispose as hazardous waste in accordance with local regulations
Incineration: Suitable for high-temperature incineration with appropriate controls for sulfur oxides
Landfill: Only if local regulations permit, and only in designed hazardous waste landfills
Contaminated Packaging: Dispose of packaging as hazardous material, or clean thoroughly and recycle if possible
Precautions: Do not allow into sewage or water sources, avoid dust dispersal during disposal
Special Instructions: Consult local environmental authority for approved disposal methods
UN Number: Not classified as hazardous for transport
UN Proper Shipping Name: Not regulated
Transport Hazard Class: Not classified as dangerous under ADR, IMDG or IATA
Packing Group: Not assigned
Special Precautions: Avoid moisture and rough handling during transit, ensure containers are properly sealed
Environmental Hazards: Avoid bulk spillage in transit as it poses risk to aquatic environments
Transport in Bulk: Not subject to MARPOL Annex II or IBC Code, general precautions required
US Federal Regulations: Listed on TSCA inventory; not listed as a hazardous substance under SARA Title III Sections 302 or 313
EU Regulations: REACH registered, Safety Data Sheet required by Article 31, not subject to authorisation or restriction according to REACH Annex XVII
Canadian Regulations: Listed on DSL/NDSL
Other National Regulations: Complies with regulations in Japan, Korea, Australia, China
Label Elements: Warning symbol required, hazard and precaution statements as above
Waste Regulations: Must comply with local hazardous waste directives and regulations
Worker Safety: Occupational safety regulations require personal protection measures and training on safe handling
