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Product Name: Sodium Ascorbate
Chemical Formula: C6H7NaO6
Synonyms: Vitamin C sodium salt
CAS Number: 134-03-2
Recommended Use: Food additive, antioxidant in pharmaceuticals and supplements, laboratory reagent
Manufacturer: Refer to product container for supplier information
Contact Information: Emergency telephone and address details printed on bottle or package
Classification: Eye irritant (Category 2)
Signal Word: Warning
Hazard Statements: Causes serious eye irritation. May cause mild skin irritation after prolonged exposure. Not classified as hazardous for ingestion in small quantities.
Pictograms: Exclamation mark (warning sign)
Precautionary Statements: Avoid contact with eyes and prolonged skin contact; use personal protective equipment; do not inhale dust
Chemical Name: Sodium Ascorbate
Common Name: Vitamin C sodium salt
Chemical Formula: C6H7NaO6
Concentration: >99% by weight
Impurities: Trace moisture, minor organic impurities from manufacturing process
Other Components: No hazardous additives present
Eye Contact: Rinse thoroughly with plenty of clean water for 15 minutes. Lift eyelids to remove powder. Seek medical attention if irritation persists.
Skin Contact: Wash skin with soap and water. Remove contaminated clothing and shoes. Get medical attention if rash forms.
Inhalation: Move person to fresh air immediately. Seek medical care if breathing difficulty continues.
Ingestion: Rinse mouth. Drink water. Seek advice from medical professional if large amounts consumed or symptoms develop.
Most Important Symptoms: Irritation of eyes, drying or cracking of skin with excess exposure
Delayed Effects: Unlikely but possible with repeated exposure or very high doses
Suitable Extinguishing Media: Use water spray, carbon dioxide, dry chemical powder, or foam.
Specific Hazards from Combustion: Emits carbon oxides (CO, CO2) and sodium oxides in fire.
Firefighting Instructions: Wear self-contained breathing apparatus and protective suit.
Explosion Hazard: Dust can form explosive mixture with air but sodium ascorbate dust has low risk under normal handling.
Special Hazards: Avoid breathing vapors and fumes from heated material.
Personal Precautions: Use dust mask, chemical safety goggles, nitrile gloves. Avoid dust formation and eye contact.
Environmental Precautions: Prevent entry to drains and waterways.
Cleanup Methods: Sweep up or vacuum spill using equipment with HEPA filter. Avoid raising dust cloud. Place into dry, suitable container for disposal. Clean spill area with water.
Disposal: Dispose of waste safely under local regulations, do not flush to sewer.
Precautions for Safe Handling: Minimize dust generation. Handle in well-ventilated area. Avoid contact with eyes and skin. Keep away from incompatible substances.
Safe Storage Conditions: Store in original tightly sealed container. Keep dry, cool, and out of direct sunlight. Store away from oxidizing agents, acids, and moisture.
Special Requirements: Keep away from food and beverages. Prevent container damage.
Exposure Limits: No occupational exposure limit established for sodium ascorbate. Use general dust exposure standards (e.g. nuisance dust).
Engineering Controls: Work in well-ventilated areas, use local exhaust for large quantity usage.
Personal Protective Equipment (PPE): Chemical safety goggles, air-purifying respirator (N95 or equivalent) for powders, gloves (nitrile or latex), laboratory coat.
Hygiene Measures: Wash hands before eating or drinking. Remove contaminated clothing. Avoid breathing dust.
Appearance: White to pale yellow crystalline powder
Odor: Odorless
pH: 7.0 - 8.0 (5% solution in water)
Melting Point: Decomposes before melting at ~220°C
Boiling Point: Not applicable (decomposes)
Vapor Pressure: Not volatile
Solubility in Water: Very soluble (>500 g/L at 20°C)
Partition Coefficient: Not available
Relative Density: 1.66 g/cm³
Other Information: Stable at normal temperatures and pressures; may yellow slightly with time; sensitive to light and moisture
Chemical Stability: Stable under normal storage and handling conditions.
Reactivity: Light-sensitive and hygroscopic. Decomposes under strong heat or acidic conditions.
Incompatible Materials: Strong acids, strong oxidizers, iron, copper salts.
Decomposition Products: Carbon oxides, sodium oxides, small organic molecules.
Possibility of Hazardous Reactions: Reacts with oxidizers, prolonged contact with iron or copper forms breakdown products.
Acute Toxicity: Oral LD50 in rat roughly 8-12 g/kg, low toxicity in humans at nutritional doses
Skin Corrosion/Irritation: May cause slight dryness or irritation on prolonged or repeated contact.
Serious Eye Damage/Irritation: Can cause significant irritation and redness.
Respiratory Effects: Dust may cause coughing or sneezing, asthma in sensitive individuals.
Ingestion Effects: Large amounts may cause stomach upset, diarrhea, kidney stones in susceptible people.
Chronic Toxicity: Not expected with recommended use. No evidence for carcinogenicity or mutagenicity in standard tests.
Other Effects: Individuals with sodium-restricted diets should avoid high sodium exposure.
Ecotoxicity: Not toxic to aquatic organisms at typical release concentrations.
Persistence and Degradability: Readily biodegradable, breaks down via natural microbial activity.
Bioaccumulation: Not expected to accumulate in living organisms.
Mobility in Soil: High water solubility, likely to leach through soil if released in large quantities.
Other Adverse Effects: Very high local releases can cause pH shift in small water bodies; chronic impact unlikely due to rapid breakdown.
Waste Treatment Methods: Best disposed as non-hazardous waste according to local guidelines. Can go to landfill. Incineration possible in controlled facilities.
Contaminated Packaging: Rinse containers and recycle if possible or dispose of as solid waste.
Precautions for Disposal: Avoid direct disposal to sewers, water courses, or uncontrolled environments. Follow regulations for local waste.
UN Number: Not regulated
Proper Shipping Name: Sodium ascorbate
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazard: Not a marine pollutant
Special Precautions: Keep packaging dry. Seal containers properly during movement. Avoid strong impact and excessive heat during transit.
Safety Codes: Not listed by OSHA, ACGIH, NTP, or IARC as a carcinogen. US FDA GRAS (Generally Recognized as Safe) status for food use.
Labeling Requirements: Based on hazard assessment (eye irritant). Collect relevant local and regional information for specific labeling.
Risk Phrases: Eye irritation (R36).
Regulatory Lists: Not a controlled substance. Check all workplace safety guidelines for hazardous substances in your area.
International Inventories: Listed in EINECS, TSCA, DSL, and other chemical inventories as safe material for industrial and food use.
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
