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Sodium Ascorbate USP
Sodium Ascorbate USP is a sodium salt of ascorbic acid (Vitamin C) that appears as a white to slightly yellow crystalline powder. It is widely used as an antioxidant and nutritional supplement due to its excellent water solubility and lower acidity compared to pure ascorbic acid. This compound helps prevent oxidation in food and pharmaceutical products and supports human health by boosting the immune system. It meets USP (United States Pharmacopeia) standards for purity and quality, making it suitable for pharmaceutical, food, and cosmetic applications.
Sodium Ascorbate USP
Primary Uses
- Pharmaceuticals & Nutraceuticals
- Used as a Vitamin C supplement to prevent or treat deficiency (scurvy) and to boost immune function.
- Included in intravenous and oral formulations for antioxidant therapy.
- Acts as a stabilizer in vitamin and mineral supplements.
- Food & Beverage Industry
- Serves as an antioxidant to prevent discoloration, spoilage, and nutrient loss in processed foods and beverages.
- Used as a preservative to extend shelf life of fruits, juices, canned goods, and baked products.
- Acts as a pH regulator and flavor enhancer in food formulations.
- Cosmetics & Personal Care
- Incorporated in skincare products for its antioxidant properties to protect skin from oxidative stress and aging.
- Used in formulations for creams, lotions, and serums to promote collagen synthesis and skin brightening.
- Animal Feed
- Added as a nutritional supplement to animal feed to enhance health and growth performance.
Secondary Uses
- Industrial Applications
- Employed as a reducing agent in chemical processes and formulations.
- Used in biotechnological applications as a stabilizer and antioxidant.
- Laboratory & Research
- Used as a reagent in various biochemical and pharmaceutical research procedures.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Sodium L-ascorbate
- Common/Trade Name: Sodium Ascorbate USP 35
- CAS Number: 134-03-2
- HS Code: 2936.29
- Synonyms: Sodium vitamin C, sodium ascorbate
2. Physical & Chemical Properties
- Physical State: Crystalline powder
- Color & Odor: White to pale yellow; odorless
- Solubility: Freely soluble in water; insoluble in alcohol
- pH (1% solution): Approx. 7–9 (mildly alkaline)
- Melting Point: 300 °C (decomposes)
- Stability: Stable under dry, cool conditions; sensitive to light and heat
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- Toxicity: Low toxicity; generally recognized as safe (GRAS) when used appropriately
- Exposure Limits: No specific limits; avoid inhalation of dust
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, and dark place in tightly sealed containers to avoid moisture and light exposure
- Container Type: Food-grade plastic or glass containers, drums, or sachets
- Shelf Life: Typically 24 months if stored properly
- Handling Precautions: Use gloves and dust mask if handling powder in bulk; avoid moisture contact
5. Regulatory & Compliance Attributes
- Complies with USP standards for purity and quality
- Approved for use in food and pharmaceuticals by FDA, EFSA, and other authorities
- Meets specifications for food-grade antioxidants and pharmaceutical excipients
6. Environmental & Health Impact
- Biodegradability: Biodegradable and environmentally safe
- Ecotoxicity: Low environmental impact; non-toxic to aquatic life at typical use concentrations
- Bioaccumulation: Not significant
Safety Handling Precautions
- PPE Required: Gloves, goggles, and dust mask recommended when handling powder in bulk
- Handling Guidelines: Avoid inhalation and prolonged skin contact; ensure good ventilation
- Storage Measures: Keep containers tightly closed and stored in a dry environment
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if breathing difficulties occur
- Skin Contact: Wash thoroughly with soap and water; seek medical advice if irritation develops
- Eye Contact: Rinse with water for at least 15 minutes; seek medical attention if irritation persists
- Ingestion: Rinse mouth; generally safe but seek medical advice if large amounts ingested
Firefighting Measures
- Fire Hazards: Non-flammable and non-combustible
- Extinguishing Media: Use water spray, foam, dry chemical, or CO₂ as appropriate for surrounding fire
- Special Precautions: Wear protective equipment to avoid dust inhalation during fire
- Hazardous Combustion Products: May release carbon oxides and sodium oxides on decomposition
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