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Sodium ascorbate is the sodium salt of L-ascorbic acid (vitamin C), widely used as an antioxidant, acidity regulator, preservative, nutritional supplement, and stabilizer in food, pharmaceutical, cosmetic, and industrial formulations.
Sodium ascorbate provides excellent water solubility, high bioavailability, and reduced acidity compared to pure ascorbic acid, making it suitable for sensitive applications.
Sodium ascorbate prevents oxidation in food and beverages, stabilizes colors, protects flavors, and enhances shelf life in various formulations.
CAS Number: 134-03-2
EC Number: 205-126-1
Molecular Formula: C₆H₇NaO₆
Molecular Weight: 198.11 g/mol
Synonyms: Sodium Ascorbate, L-Ascorbic Acid Sodium Salt, Vitamin C Sodium Salt, E301, Sodium L-Ascorbate, Buffered Vitamin C, Sodium Salt of Ascorbic Acid, Nutraceutical Grade Sodium Ascorbate, Cosmetic Grade Sodium Ascorbate, Industrial Grade Sodium Ascorbate, High-Purity Sodium Ascorbate, Pure Sodium Ascorbate, Extra-Pure Sodium Ascorbate, Buffered Vitamin C (Sodium Ascorbate), Non-Acidic Vitamin C Sodium, Sodium Ascorbate Powder, Sodium Ascorbate Granules, Sodium Ascorbate Crystalline, Sodium Ascorbate Fine Powder, Sodium Ascorbate Stabilized Vitamin C, Sodium Ascorbate Antioxidant, Sodium Ascorbate Preservative, Sodium Ascorbate Food Antioxidant, E301 Antioxidant, Sodium Ascorbate Additive, Sodium Ascorbate Fortification Agent, Sodium Ascorbate Supplement Ingredient, Sodium Ascorbate Dietary Ingredient, Sodium Ascorbate Functional Ingredient, Sodium Ascorbate Vitamin Additive, Sodium Ascorbate Food Ingredient, Sodium Ascorbate Feed Additive, Sodium Ascorbate Chemical Reagent, L-Ascorbate Sodium Salt, Sodium Ascorbate Reducing Agent, Sodium Ascorbate Color Protector, Sodium Ascorbate Browning Inhibitor, Sodium Ascorbate Cure Accelerator (meat), Sodium Ascorbate Meat Processing Aid, Sodium Ascorbate Beverage Additive, Sodium Ascorbate Neutral pH Vitamin C, Sodium Ascorbate Water-Soluble Vitamin C, Sodium Ascorbate Bioavailable Vitamin C, Ascorbate Sodium Compound, Sodium Ascorbate Fine Chemical, Sodium Ascorbate Specialty Chemical, Sodium Ascorbate Raw Material, Sodium Ascorbate Stabilizer, Sodium Ascorbate Cosmetic Antioxidant, Sodium Ascorbate Skin-Brightening Agent, Sodium Ascorbate Personal Care Additive, Sodium Ascorbate Pharmaceutical Excipient, Sodium Ascorbate Tablet Ingredient, Sodium Ascorbate Capsule Ingredient, Sodium Ascorbate Powder Supplement Base, Sodium Ascorbate Laboratory Reagent, Sodium Ascorbate Analytical Grade, Sodium Ascorbate Industrial Antioxidant, Vitamin C Sodium Form, Sodium Neutralized Ascorbic Acid, Sodium Ascorbate Technical Product, Ascorbate Compound Sodium Salt
APPLICATIONS
Sodium ascorbate is used as an antioxidant in processed meats.
Sodium ascorbate prevents color loss and reduces nitrosamine formation in cured foods.
Sodium ascorbate enhances oxidative stability in packaged foods.
Sodium ascorbate is incorporated into beverages to maintain vitamin content.
Sodium ascorbate improves clarity and reduces oxidation in juice-based drinks.
Sodium ascorbate stabilizes color in fruit preparations.
Sodium ascorbate is used in dietary supplements.
Sodium ascorbate provides a buffered, stomach-friendly form of vitamin C.
Sodium ascorbate supports immune system formulations.
Sodium ascorbate is used in pharmaceutical preparations.
Sodium ascorbate stabilizes active ingredients sensitive to oxidation.
Sodium ascorbate improves shelf life of liquid formulations.
Sodium ascorbate is applied in cosmetic formulations.
Sodium ascorbate functions as an antioxidant and brightening agent.
Sodium ascorbate supports collagen synthesis in topical products.
Sodium ascorbate is used in laboratory and industrial processes.
Sodium ascorbate acts as a reducing agent in chemical synthesis.
Sodium ascorbate prevents oxidative degradation in sensitive materials.
Sodium ascorbate is used in bakery products.
Sodium ascorbate strengthens dough and improves elastic properties.
Sodium ascorbate enhances bread volume and crumb quality.
Sodium ascorbate is incorporated into dairy formulations.
Sodium ascorbate preserves freshness in milk-based beverages.
Sodium ascorbate protects vitamins vulnerable to oxidation.
Sodium ascorbate is used in pet foods.
Sodium ascorbate enhances nutrient retention during storage.
Sodium ascorbate prevents rancidity in fats.
Sodium Ascorbate is used as an antioxidant in food products.
Sodium Ascorbate prevents oxidation of fats and oils in processed foods.
Sodium Ascorbate helps maintain color stability in cured meats.
Sodium Ascorbate is used in vitamin supplements.
Sodium Ascorbate provides a buffered form of vitamin C for sensitive stomachs.
Sodium Ascorbate enhances immune-support formulations.
Sodium Ascorbate is used in fortified beverages.
Sodium Ascorbate increases vitamin C content in juices and energy drinks.
Sodium Ascorbate improves stability of vitamin C in acidic beverages.
Sodium Ascorbate is used in pharmaceuticals.
Sodium Ascorbate acts as an antioxidant excipient in drug formulations.
Sodium Ascorbate extends stability of active pharmaceutical ingredients.
Sodium Ascorbate is used in meat processing.
Sodium Ascorbate accelerates curing reactions in processed meats.
Sodium Ascorbate reduces nitrosamine formation during curing.
Sodium Ascorbate is used in bakery products.
Sodium Ascorbate enhances dough strength in bread making.
Sodium Ascorbate improves texture and volume of baked goods.
Sodium Ascorbate is used in infant nutrition products.
Sodium Ascorbate stabilizes vitamin C in powdered infant formulas.
Sodium Ascorbate ensures adequate nutrient availability during storage.
Sodium Ascorbate is used in dairy products.
Sodium Ascorbate prevents oxidative browning in milk-based beverages.
Sodium Ascorbate enhances nutritional value of functional yogurts.
Sodium Ascorbate is used in cosmetics.
Sodium Ascorbate provides antioxidant protection in skincare formulations.
Sodium Ascorbate supports collagen synthesis in anti-aging products.
Sodium Ascorbate is used in animal nutrition.
Sodium Ascorbate improves immune response in aquaculture species.
Sodium Ascorbate prevents oxidative spoilage in feed premixes.
Sodium Ascorbate is used in laboratory research.
Sodium Ascorbate serves as a reducing agent in biochemical assays.
Sodium Ascorbate supports cell culture antioxidant studies.
Sodium Ascorbate is used in beverage concentrates.
Sodium Ascorbate improves vitamin retention during heat processing.
Sodium Ascorbate enhances clarity and stability in fruit syrups.
Sodium Ascorbate is used in preservation of fruits and vegetables.
Sodium Ascorbate prevents enzymatic browning in cut produce.
Sodium Ascorbate maintains freshness in ready-to-eat salads.
DESCRIPTION
Sodium ascorbate is a white to slightly yellow crystalline powder.
Sodium ascorbate is odorless or has a slight characteristic odor.
Sodium ascorbate has a mildly saline taste compared to acidic ascorbic acid.
Sodium ascorbate is highly water-soluble, forming clear solutions.
Sodium ascorbate is less acidic than ascorbic acid, making it suitable for sensitive applications.
Sodium ascorbate remains stable in neutral to slightly alkaline environments.
Sodium ascorbate acts as a reducing agent.
Sodium ascorbate scavenges free radicals and prevents oxidation.
Sodium ascorbate supports redox reactions in industrial formulations.
Sodium ascorbate is compatible with most food ingredients.
Sodium ascorbate works synergistically with citrates and other antioxidants.
Sodium ascorbate enhances product stability under storage.
Sodium ascorbate is widely used for nutritional enrichment.
Sodium ascorbate provides vitamin C in a buffered, easily digestible form.
Sodium ascorbate maintains potency longer than pure ascorbic acid in some formulations.
Sodium Ascorbate is the sodium salt of ascorbic acid.
Sodium Ascorbate appears as a white to slightly yellow crystalline powder.
Sodium Ascorbate is freely soluble in water and stable in neutral pH environments.
Sodium Ascorbate provides antioxidant protection by donating electrons to reactive oxygen species.
Sodium Ascorbate is less acidic than ascorbic acid, making it easier on sensitive stomachs.
Sodium Ascorbate is a potent source of vitamin C for nutritional and pharmaceutical uses.
Sodium Ascorbate participates in collagen synthesis and immune system function.
Sodium Ascorbate prevents oxidative damage in foods, beverages, and biological systems.
Sodium Ascorbate enhances the stability of formulations susceptible to oxidation.
Sodium Ascorbate decomposes more slowly than ascorbic acid in aqueous solutions.
Sodium Ascorbate is compatible with a wide range of food ingredients and excipients.
Sodium Ascorbate resists browning reactions when used in plant-based products.
Sodium Ascorbate must be protected from heat, light, and air to prevent oxidation.
Sodium Ascorbate is widely used in food, pharmaceutical, cosmetic, and laboratory industries.
Sodium Ascorbate remains one of the most versatile water-soluble antioxidants available.
PROPERTIES
Chemical Formula: C₆H₇NaO₆
Molecular Weight: 198.11 g/mol
Appearance: White to pale yellow crystalline powder
Odor: Odorless or slight characteristic odor
Taste: Slightly saline, less acidic than ascorbic acid
Density: ~1.67 g/cm³
Melting Point: Decomposes before melting (~200°C)
pH (10% solution): ~7.0–8.0
Solubility in Water: Very high (>620 g/L at 20°C)
Solubility in Alcohol: Slightly soluble in ethanol
Hygroscopicity: Moderately hygroscopic
Stability: Sensitive to heat, light, and air; oxidizes gradually
Storage Temperature: Store below 25°C, protected from light and moisture
Redox Potential: Strong reducing agent
Refractive Index: Not applicable (solid crystalline)
FIRST AID
Inhalation:
Move the person to fresh air.
Seek medical attention if coughing or irritation persists.
Skin Contact:
Wash with soap and water.
Stop use if irritation occurs.
Eye Contact:
Rinse with water for several minutes.
Seek medical attention if irritation continues.
Ingestion:
Rinse mouth and drink water.
Generally regarded as safe; seek attention if discomfort occurs.
Note to Physicians:
Treat symptomatically; low toxicity.
HANDLING AND STORAGE
Handling:
Avoid dust formation during transfer.
Use appropriate PPE such as gloves and goggles.
Ensure proper ventilation.
Avoidance:
Protect from moisture, heat, and prolonged exposure to air.
Avoid contact with oxidizing agents.
Spill Procedures:
Sweep or vacuum without generating dust.
Dispose of according to local regulations.
Storage:
Store in a cool, dry place.
Keep container tightly sealed.
Protect from light and air to prevent oxidation.
