Ascorbyl Palmitate CAS 137-66-6

Ascorbyl Palmitate – Fat-Soluble Vitamin C Derivative and Antioxidant Food Additive

Basic Information

• CAS Number: 137-66-6

• Molecular Formula: C₂₂H₃₈O₇

• Synonyms: Vitamin C palmitate, 6-Hexadecyl-1-(+)-ascorbic acid

• Content: ≥98%

• Appearance: White to yellowish powder

• Packaging: 10 kg per drum

• Storage: Store in a cool, dry place, away from toxic substances and moisture.

• Shelf Life: 24 months under recommended conditions.

Overview
Ascorbyl palmitate is an ester formed from ascorbic acid (vitamin C) and palmitic acid, creating a fat-soluble form of vitamin C. It combines the physiological properties of vitamin C with lipophilic characteristics, making it an effective antioxidant for oils, fats, and lipid-containing products. It is approved for use as a food additive (E304) and is recognized by the WHO as a safe and effective nutritional supplement.

Key Benefits

• Provides vitamin C activity in fat-based systems.

• Acts as a potent antioxidant, scavenging free radicals and preventing oxidative rancidity.

• Protects oils and fats from oxidation, extending shelf life.

• Enhances the antioxidant effect of other vitamins (e.g., vitamin E).

• Safe and approved for food and pharmaceutical applications.

Applications

• Food industry: Used as an antioxidant additive (E304) in edible oils, fats, margarine, baked goods, dairy products, and meat products.

• Cosmetics: Incorporated into skincare and haircare products as an antioxidant and skin-conditioning agent.

• Pharmaceuticals: Used as a stabilizer and active ingredient in supplements and formulations.

• Animal feed: Added to feeds to protect vitamins and fats from oxidation.

Handling and Storage

• Store in a cool, dry, well-ventilated area, protected from light, heat, and moisture.

• Keep containers tightly sealed to prevent contamination and degradation.

• Avoid mixing with toxic or incompatible substances.

• Use appropriate personal protective equipment (gloves, safety goggles, dust mask) when handling.

Quality Assurance
Each batch is tested for purity (≥98%), heavy metals, and antioxidant activity to ensure compliance with food and pharmaceutical standards.