Sodium Ascorbate: Material Safety Data Sheet (MSDS)

Identification

Product Name: Sodium Ascorbate
Chemical Formula: C6H7NaO6
CAS Number: 134-03-2
Recommended Uses: Used in food and beverage production, laboratory settings, pharmaceutical manufacturing, and as a dietary supplement
Synonyms: Monosodium ascorbate, Sodium salt of ascorbic acid
Supplier Details: Manufacturer and supplier information printed on shipment containers and invoices
Emergency Contact Number: Refer to local guidelines or included supplier information for immediate assistance

Hazard Identification

GHS Classification: Not classified as hazardous under GHS guidelines
Potential Health Effects: May irritate the eyes and skin upon direct contact; ingestion above nutritional doses can upset the stomach; inhaling dust may irritate the lungs
Hazard Statements: Not considered a significant hazard; excessive exposure can irritate tissues
Pictograms: No specific GHS hazard pictogram required
NFPA Ratings: Health: 1, Flammability: 0, Reactivity: 0, Special: None

Composition / Information on Ingredients

Chemical Name: Sodium Ascorbate
Common Name: Vitamin C sodium salt
Concentration: Greater than 99%
Impurities: Trace levels of residual solvents, water
Molecular Weight: 198.11 g/mol

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if symptoms develop or persist
Skin Contact: Promptly wash affected area with plenty of soap and water; take off contaminated clothing
Eye Contact: Rinse thoroughly with water for at least 15 minutes, keeping eyelids apart; seek advice from a medical professional if irritation remains
Ingestion: Rinse mouth; drink water; consult medical staff if nausea or discomfort arises
Symptoms: Irritation, redness, coughing, mild stomach ache, watery eyes

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, or foam
Special Hazards: Emits irritating fumes at high temperatures, such as carbon monoxide and carbon dioxide
Fire Fighter Precautions: Use standard protective clothing, self-contained breathing apparatus
Flammability: Not highly flammable, may combust at very high heat
Firefighting Techniques: Cool containers with water if exposed to flames

Accidental Release Measures

Personal Precautions: Minimize dust formation and inhalation; use protective gloves and goggles
Environmental Precautions: Prevent powder from entering local water sources and soil
Spill Cleanup: Carefully sweep or vacuum up material and transfer into dry, labeled containers
Disposal: Follow local, state, and federal regulations for non-hazardous waste

Handling and Storage

Handling: Avoid raising dust; handle using appropriate ventilation; avoid direct, prolonged contact with skin or eyes
Hygiene Practices: Wash hands thoroughly after use and before eating
Storage Conditions: Store sealed in a cool, dry place out of direct sunlight; keep away from incompatible materials such as strong oxidizers and acids
Packing Materials: Keep in tightly closed original containers, preferably moisture-resistant packaging

Exposure Controls and Personal Protection

Exposure Limits: No specific limit established; manage workplace dust levels per general guidelines
Engineering Controls: Use local exhaust ventilation for dust containment
Personal Protective Equipment: Wear gloves, goggles, dust mask or respirator, and lab coat if handling bulk product
Other Protective Measures: Ensure eyewash stations and emergency showers are within easy reach

Physical and Chemical Properties

Appearance: White to almost white crystalline powder, odorless
Solubility: Highly soluble in water
Melting Point: Decomposes on heating, above 200°C
pH (1% solution): 7.0 - 8.0
Boiling Point: Not applicable (decomposes before boiling)
Vapor Pressure: Negligible
Density: 1.66 g/cm³
Flash Point: Not flammable
Other Properties: Stable under recommended conditions, mild saline taste

Stability and Reactivity

Stability: Stable under normal temperature and dry conditions
Reactivity: Can react with strong oxidizing agents
Decomposition: Emits irritating or toxic fumes such as carbon oxides when heated to burning
Polymerization: Does not polymerize
Incompatible Materials: Acids, bases, iron salts, strong oxidizers

Toxicological Information

Acute Toxicity: Low oral toxicity; ingestion of large quantities can cause diarrhea or gastrointestinal distress
Chronic Toxicity: Hasn't been linked to chronic toxicity at amounts consumed in foods or supplements
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Symptoms: Skin or eye irritation, coughing, nausea; severe exposure rare for sodium ascorbate
Carcinogenicity: Not listed as a carcinogen by agencies such as IARC, NTP, OSHA
Additional Data: Large supplemental doses should be avoided by people with sodium-restricted diets or kidney stones

Ecological Information

Ecotoxicity: Not expected to cause significant hazard to aquatic life in small quantities
Persistence and Degradability: Readily biodegradable in the environment
Bioaccumulative Potential: Low potential for accumulation in living organisms
Mobility in Soil: Soluble and mobile in water; unlikely to persist at harmful levels

Disposal Considerations

Waste Treatment Methods: Dispose of material in accordance with local, regional, and national regulations
Product Disposal: Use responsible incineration or landfill, depending on regulation
Packing Disposal: Decontaminate and recycle or dispose of according to guidelines
Special Precautions: Avoid release into natural environments; keep out of sewage systems

Transport Information

UN Number: Not regulated for transport
Transport Labels: Not classified as hazardous for international or domestic shipment
Hazard Class: None under DOT, IATA, IMDG
Packaging Requirements: Ship securely in sealed containers, avoid breakage and moisture exposure

Regulatory Information

OSHA Status: Not regarded as hazardous under US OSHA standards
TSCA Status: Listed in the TSCA inventory
EU Regulations: Not classified under EU CLP Regulation (EC) 1272/2008
Other Regulations: Complies with food and pharmaceutical laws in many countries for intended uses.
Label Elements: Content labeling not required for food applications, but present for industrial bulk shipments