For professionals in the chemical, pharmaceutical, and food industries, understanding the precise specifications and diverse applications of key ingredients is fundamental. Sodium Ascorbate, identified by CAS number 134-03-2, is a compound that warrants close examination due to its widespread utility. This article provides a detailed look at its specifications and its critical roles across various sectors.

Key Specifications of Sodium Ascorbate (CAS 134-03-2)

Sodium Ascorbate is characterized by several key technical parameters that define its quality and suitability for different uses:

• CAS Number: 134-03-2
• Molecular Formula: C6H7NaO6
• Molecular Weight: 198.11
• Appearance: Typically described as a white or very slightly yellow crystalline powder. This physical characteristic is a primary visual indicator of its quality and purity.
• Assay: Manufacturers strive for a high assay, commonly specified as ≥99%. This high purity is essential for its effectiveness in sensitive applications like pharmaceutical manufacturing and food fortification.
• Quality Standards: Compliance with international standards such as USP (United States Pharmacopeia), BP (British Pharmacopoeia), EP (European Pharmacopoeia), and FCC (Food Chemicals Codex) is often required, especially for food and pharmaceutical applications.
• Loss on Drying: Typically kept very low (≤0.25%), indicating minimal moisture content, which contributes to its stability and shelf life.
• Heavy Metals & Impurities: Stringent limits are placed on heavy metals (e.g., Lead, Arsenic) and other impurities, usually in the parts per million (ppm) range, to ensure safety.
• pH: The pH of a solution typically falls within the range of 7.0 to 8.0, indicative of its salt nature.

Diverse Applications of Sodium Ascorbate

The properties of Sodium Ascorbate lend themselves to several critical industrial functions:

• Intermediate in Vitamin C Production: It serves as a foundational material in the large-scale manufacturing process of ascorbic acid (Vitamin C), a globally significant nutrient. Businesses involved in vitamin synthesis will often look to purchase this intermediate.
• Food Additive (Antioxidant): Its excellent antioxidant properties make it a valuable additive in various food products to prevent oxidation, preserve color, and extend shelf life. This is crucial for manufacturers aiming to maintain product quality.
• Cosmetic Ingredient: In the cosmetics industry, it is utilized for its antioxidant, anti-aging, and skin-whitening properties, helping to protect skin from environmental damage and improve skin tone.

Sourcing and Procurement

For companies looking to buy Sodium Ascorbate, understanding these specifications is the first step. Working with reputable manufacturers and suppliers who can provide detailed documentation and competitive pricing is key to ensuring a reliable supply chain for this versatile chemical.

Conclusion

Sodium Ascorbate (CAS 134-03-2) is a highly functional chemical ingredient with stringent quality requirements and a broad spectrum of essential applications. By focusing on its specifications and reliable sourcing, businesses can effectively integrate this compound into their manufacturing processes.