Ascorbic Acid

Ascorbic acid is a water-soluble organic acid widely used as vitamin C and as an antioxidant in food, beverage, pharmaceutical and technical formulations.

Also known as: L-ascorbic acid, vitamin C, E300

Crown Step supplies Ascorbic Acid from qualified manufacturers in China for wholesale and export orders. Batch-specific COA, SDS and available regulatory documentation can be provided with the quotation.

Product Information

  • International name: Ascorbic Acid
  • Chemical formula: C6H8O6
  • CAS number: 50-81-7
  • Appearance: White crystalline powder
  • Packaging: 25 kg cartons
  • Storage: Store sealed in a cool, dry and well-ventilated area; typical shelf life 36 months

Typical Applications

  • Antioxidant and oxidation control
  • Food and beverage fortification
  • Preservative systems and color stabilization
  • Pharmaceutical and chemical formulations
  • Metal-ion reduction and technical processing

Typical Specification

Parameter Typical value
Molecular weight 176.13
Solubility 33 g/100 g water
Melting point 191-192 °C
pH 2.2-2.5
Assay 99.0-100.0%
Loss on drying Max. 0.4%
Residue on ignition Max. 0.1%
Iron Max. 0.0002%

The values above are typical commercial specifications and must be confirmed against the current manufacturer’s COA before purchase.

For price, minimum order quantity, lead time and shipping terms for Ascorbic Acid, send us your inquiry through the form below.