Product Name: Lignosulfonic Acid, Sodium Salt
Chemical Formula: Varies, typically C20H24Na2O10S2
Synonyms: Sodium lignosulfonate, Sulfonated lignin sodium salt
CAS Number: 8061-51-6
Intended Use: Dispersant, binder, dye additive, animal feed binder, concrete admixture
Supplier Information: Manufacturer’s details provided on packaging
Emergency Contact: Provided by supplier or local emergency response center
Classification: Not classified as hazardous under GHS
Physical Hazards: Dust may cause mechanical irritation to eyes, skin, and respiratory tract
Health Hazards: Prolonged inhalation can aggravate asthma or lung conditions
Environmental Hazards: Low risk, but avoid large discharges to watercourses
Label Elements: May cause mild irritation; avoid generating dust
Specific Hazard Statements: Wash thoroughly after handling; use appropriate respiratory protection if dust forms
Chemical Name: Lignosulfonic Acid, Sodium Salt
CAS Number: 8061-51-6
Concentration: More than 90% by weight
Impurities: Small amounts of water, ash, and reducing sugars
Additives: None known or intentionally added
Inhalation: Move person to fresh air, get medical advice for persistent symptoms
Skin Contact: Remove contaminated clothing, wash skin with plenty of soap and water
Eye Contact: Rinse eyes with plenty of clean water, seek medical attention if irritation persists
Ingestion: Rinse mouth, drink water, seek medical advice if feeling unwell or discomfort occurs
Most Important Symptoms: Irritation of eyes, skin, throat possible from dust
Advice for Medical Personnel: Treat symptomatically, wash affected area, maintain ventilation
Flash Point: Not applicable
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Specific Hazards: Thermal decomposition may produce carbon oxides and sulfur oxides
Special Protective Equipment: Wear self-contained breathing apparatus, protective clothing
Advice for Firefighters: Dust can form explosive mixtures with air; control dust
Further Information: Contain contaminated water, avoid discharge to sewers
Personal Precautions: Wear respiratory protection, safety goggles, gloves
Environmental Precautions: Prevent bulk material from entering waterways
Methods for Cleanup: Collect spilled product without raising dust, use vacuum or wet sweeping
Disposal of Waste: Dispose of in accordance with local, state, and federal regulations
Notification Procedures: Inform authorities if substantial discharge occurs
Precautions for Safe Handling: Minimize dust generation and accumulation
Hygiene Measures: Wash hands after handling; avoid contact with eyes and skin
Storage Conditions: Store in dry, cool, well-ventilated space away from heat sources
Incompatible Materials: Strong oxidizers such as hydrogen peroxide, nitric acid
Container Requirements: Keep tightly closed when not in use
Control Parameters: No specific exposure limits set; use general dust exposure guidance (ACGIH TLV for particulates not otherwise regulated: 10 mg/m3)
Engineering Controls: Provide local ventilation to control airborne dust
Personal Protection Equipment: Use dust mask or respirator for airborne dust, gloves, safety goggles
Other Protective Measures: Wear coveralls, ensure eye wash stations are accessible
Workplace Practices: Avoid eating, drinking, smoking during handling
Appearance: Light brown to dark brown powder or granules
Odor: Mild, wood-like
Odor Threshold: Not established
pH (10% solution): Typically 4 to 7
Melting Point / Freezing Point: Decomposes before melting
Boiling Point / Range: Not applicable
Flash Point: Not determined
Evaporation Rate: Not applicable
Flammability: Low, combustible as organic dust
Vapor Pressure: Not available
Vapor Density: Not available
Relative Density (Bulk): 0.5–0.6 g/cm³
Solubility: Soluble in water
Partition Coefficient: Not determined
Decomposition Temperature: Above 200°C (392°F)
Viscosity: Not available
Chemical Stability: Stable under normal storage and handling conditions
Hazardous Reactions: Reacts with strong oxidizing agents
Conditions to Avoid: High heat, open flames, formation of airborne dust
Incompatible Materials: Strong oxidizers like perchlorates and nitrates
Hazardous Decomposition Products: Carbon oxides, sulfur oxides if heated to decomposition
Likely Routes of Exposure: Inhalation, skin and eye contact
Acute Effects: Dust may irritate eyes, skin, throat, and respiratory passages
Chronic Effects: Prolonged exposure to dust may aggravate existing respiratory conditions
LD50 / LC50 Data: Not acutely toxic based on available data (oral rat LD50 > 5,000 mg/kg)
Skin Corrosion / Irritation: Not corrosive, mild irritation possible
Respiratory Sensitization: Not known to cause sensitization
Carcinogenicity: Not listed by IARC, NTP, OSHA as a carcinogen
Other Health Effects: No evidence of reproductive or developmental toxicity
Ecotoxicity: Low toxicity to aquatic life at expected environmental concentrations
Persistence and Degradability: Biodegradable, breaks down in soil and water through microbial processes
Bioaccumulative Potential: Not likely to bioaccumulate
Mobility in Soil: Moderate water solubility, potential for leaching in high quantities
Other Adverse Effects: Large releases may cause oxygen depletion in water bodies leading to fish kills
Disposal Methods: Dispose as non-hazardous waste according to local regulations
Packaging Disposal: Clean, empty containers can be recycled or disposed as non-hazardous waste
Special Precautions: Prevent dust from entering water courses during disposal
RCRA Status: Not listed as hazardous waste under US RCRA
UN Number: Not regulated
UN Proper Shipping Name: Not classified as dangerous for transport
Transport Hazard Class: None
Packing Group: None
Special Precautions: Avoid packaging damage to prevent dust release
Other Transport Requirements: Transport in covered, secure packaging with clear labelling
OSHA Status: Not regulated as hazardous
SARA Section 313: Not subject to reporting
TSCA Inventory: Listed
REACH Status: Registered for applicable uses
Other Regulations: Product usually complies with food grade and agricultural regulations for listed uses; specific requirements vary by location
Workplace Labelling: General hazard labeling as non-hazardous, dust control precautions required
