Ascorbic Acid, Grade Standard : Pharm Grade

CAS Number: 50-81-7, Molecular Weight: 176.12, Chemical Formula: C6H8O6, EINECS EC Number: 200-066-2, FEMA: ----,

Ascorbic acid or Vitamin C is a vitamin found in various foods and sold as a dietary supplement. It is used to prevent and treat scurvy. Vitamin C is an essential nutrient involved in the repair of tissue and the enzymatic production of certain neurotransmitters. It also functions as an antioxidant.

Ascorbic Acid USP Grade Specifications:
C6H8O6 --- 176.12
l-Ascorbic acid --- CAS 50-81-7

DEFINITION
Ascorbic Acid contains NLT 99.0% and NMT 100.5% of C6H8O6

IDENTIFICATION
A. Infrared Absorption
B. A 20-mg/mL solution reduces alkaline cupric tartrate slowly at room temperature but more readily upon heating.
Residue on Ignition: 0.1% maximum.

Ascorbic Acid BP Ph Eur Grade Specifications:
C6H8O6 --- 176.1 CAS 50-81-7
Content: 99.0 per cent to 100.5 per cent.

CHARACTERS
Appearance: White or almost white, crystalline powder or colourless crystals, becoming discoloured on exposure to air and moisture.
Solubility: Freely soluble in water, sparingly soluble in ethanol (96 per cent).
Melting point: About 190C, with decomposition.
Iron: Maximum 2 ppm.
Sulfated ash: Maximum 0.1 per cent, determined on 1.0 g.
Meet impurities profile.