Ascorbic Acid

Ascorbic Acid (Vitamin C) is a white odorless powder used as a dietary & nutritional supplement in food, beverage and animal feed. Also acts as antioxidant in baking mixes.

Main applications of Ascorbic Acid

Mainly used in producing various medicines,it is an important medicine for clinical supplementary treatment. It can be used in food additive. It is a good and safe nutritional agent,antiseptic and baking agent of flour processing. It can also be used in feed additive and it can improve animals’ immunity.

Nutritional Fortification in Foods
Animal Feed

Dough Conditioning and Antioxidant Agent

Pharmaceutical & Medicinal Additive

Specification of Ascorbic Acid


L-2, 3, 5, 6-hydroxy-2-hexenic

Chemical formula

Formula: C6H8O6
Molecular weight: 176.13

Identification numbers

CAS number: 50-81-7

Physical properties

Compendial Requirements

Ascorbic Acid meets the requirements of USP/BP/CP current version when tested according to these compendia.

Identification: Positive
Description: A white or almost white, crystalline powder or colorless crystals, becoming discolored on exposure to air and moisture.
Clarity of solution: Clear, ≤BY7
Specific rotation: +20.5°to +21.5°
PH: 2.1-2.6
Melting point: About 190ºC
Residual on ignition: ≤0.1%
Impurity E: ≤0.2%
Copper: ≤5ppm
Iron: ≤2ppm
Assay: 99.0% ~ 100.5%

Storage - Stability

STORAGE: Store in a non-metallic and sealed container, keep in a dry place and away from light.

SHELF LIFE: At least 36 months from date of manufacturing provided the container is unopened and stored under the above-mentioned conditions.

Format and presentation


Ascorbic acid bulk materials are packed in two plastic bags, and the inner plastic bag is thermal sealed, the outer plastic bag is blue and thermal sealed. Then pack in a carton box (or drum), sealed with adhesive tape (or lead sealing).

Documents of Ascorbic Acid

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