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Product Name: Sodium Carboxymethyl Cellulose
Synonyms: CMC-Na; Cellulose, carboxymethyl ether, sodium salt
Chemical Formula: C6H7O2(OH)2OCH2COONa
CAS Number: 9004-32-4
Recommended Use: Thickener, emulsifier, stabilizer in food, pharmaceutical, personal care, industrial applications
Supplier Information: Manufacturer/Supplier address and contact details
Emergency Contact Number: Local emergency number
GHS Classification: Not classified as hazardous according to OSHA Hazard Communication Standard
Physical Hazards: Combustible dust may form explosive mixtures with air
Health Hazards: Potential respiratory irritation if inhaled in dust form; mild eye and skin irritation for sensitive individuals
Environmental Hazards: Not considered environmentally hazardous at normal concentrations
Signal Word: None required
Hazard Statement: Dust explosion hazard in finely divided or suspended form
Precautionary Statement: Minimize dust generation, ensure adequate ventilation, avoid breathing dust, wear protective equipment where dust is generated
Chemical Name: Sodium Carboxymethyl Cellulose
CAS No: 9004-32-4
Concentration: 99% or higher
Impurities/Additives: Trace sodium chloride, water (less than 1-2%)
Molecular Weight: Varies (dependent on polymerization degree and substitution)
Inhalation: Move person to fresh air, seek medical attention if breathing becomes difficult or irritation persists
Skin Contact: Wash skin thoroughly with water and mild soap, seek medical attention if irritation develops
Eye Contact: Rinse carefully with water for several minutes, remove contact lenses if present and easy to do, seek medical attention for persistent discomfort
Ingestion: Rinse mouth with water, drink water if conscious, do not induce vomiting, seek medical advice if symptoms occur
Acute and Delayed Symptoms: Irritation symptoms may include cough, sneezing, redness on skin or eyes
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Media: Avoid high-pressure water jets which may disperse dust
Special Hazards: Dust can form explosive mixture with air, may release toxic fumes (carbon monoxide, carbon dioxide, sodium oxide) during combustion
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective clothing
Firefighting Instructions: Avoid inhalation of combustion products, cool containers with water spray, keep upwind
Personal Precautions: Avoid breathing dust, ventilate area, use personal protective equipment to prevent contact
Environmental Precautions: Prevent significant quantities from entering drains, soil or waterways
Containment Methods: Use dry methods to collect material (sweeping, vacuuming with explosion-proof equipment), avoid creating dust clouds
Cleanup Methods: Place collected material in suitable containers for reuse or disposal, clean spilled area thoroughly
Safe Handling Practices: Avoid the generation or accumulation of dust, handle in well-ventilated areas, ground/bond containers when transferring to avoid static
Precautions: Wear protective clothing, do not eat or drink during handling, wash after handling
Storage Conditions: Store in tightly closed containers in cool, dry, well-ventilated locations away from incompatible materials (strong oxidizers), protect from moisture
Special Rules: Keep away from sources of ignition, protect against static discharge
Occupational Exposure Limits: OSHA PEL (Particulates Not Otherwise Regulated): 15 mg/m³ (total dust), 5 mg/m³ (respirable fraction)
Engineering Controls: Local exhaust ventilation or process enclosure for dust control
Personal Protective Equipment: Dust mask or particulate respirator (NIOSH-approved), safety goggles, gloves, long-sleeved clothing
Hygiene Measures: Wash hands after handling, shower and change clothes at end of shift
Environmental Exposure Controls: Prevent release to environment, use filters/collectors for dust
Appearance: White to off-white, odorless granular powder
Odor: None or slight
pH (1% solution): 6.5–8.5
Melting Point: Decomposes before melting
Boiling Point: Not applicable
Flash Point: Not applicable (combustible as dust)
Flammability: May ignite as a dust-air mixture
Vapor Pressure: Not applicable
Bulk Density: 0.5–0.7 g/cm³
Solubility: Soluble in cold and hot water, forms a viscous solution
Auto-ignition Temperature: >200°C (392°F)
Decomposition Temperature: >200°C (392°F)
Chemical Stability: Stable under normal temperatures and pressures
Reactivity: Inert under recommended conditions
Conditions to Avoid: Excessive heat, sparks, open flames, generation of airborne dust
Incompatible Materials: Oxidizing agents (may cause rapid decomposition and heating)
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, sodium oxides
Hazardous Polymerization: Will not occur
Possible Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: Low toxicity by oral and dermal exposure, no known reports of acute toxicity in humans
Skin Corrosion/Irritation: Not classified as skin irritant, may cause mild irritation in sensitive individuals
Eye Damage/Irritation: May cause physical irritation to the eye
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, OSHA
Mutagenicity/Teratogenicity: No signs of genetic damage or birth defects in animal studies
Chronic Toxicity: Repeated exposure can cause mechanical irritation of respiratory tract if inhaled as dust
Other Information: No known adverse health effects in normal use
Ecotoxicity: Not toxic to aquatic life at normal concentrations
Persistence and Degradability: Readily biodegradable, breaks down by natural processes
Bioaccumulation: Does not accumulate in organisms
Mobility in Soil: Moderate mobility; soluble in water and will migrate with surface or groundwater
Other Adverse Effects: No long-term ecological harm expected; large amounts may increase BOD/ COD in water bodies and reduce dissolved oxygen
Waste Treatment Methods: Dispose of in accordance with federal, state, and local regulations
Product Disposal: Landfill in approved, permitted facility or incinerate as permitted by regulation; avoid dust generation during disposal
Packaging Disposal: Recycle or reuse containers if possible, otherwise dispose of as non-hazardous waste
Special Precautions: Prevent releases to the environment, do not allow large amounts in water courses
UN Number: Not regulated
UN Proper Shipping Name: Not regulated as dangerous for transport
Transport Hazard Class: Not classified
Packing Group: Not applicable
Environmental Hazards: Not considered hazardous
Special Precautions: Protect containers from accidental damage and moisture during transit, basic measures to avoid dust release
OSHA Hazard Communication: Product not classified as hazardous under US OSHA regulations
TSCA Status: Listed on US Toxic Substances Control Act Inventory
WHMIS Classification: Not controlled under Canadian WHMIS
REACH Registration: Registered or exempted as per EU REACH guidelines
Other Regulatory Status: Not subject to SARA Title III, CERCLA, or California Proposition 65
Labeling Requirements: No special labeling required for transportation or general handling under GHS/OSHA criteria
