L-ASCORBIC ACID

Product Code : 01550




Specifications

Appearance A white to very pale yellow crystalline powder or colourless crystals; odourless. On exposure to light it gradually darkens.
Assay 99.5-100.5%
Identity (IR) To confirm the structure
Identification (as per USP, IP) To comply the tests
Appearance of solution To comply IP test
Specific optical rotation ([α]20/D; 10% solution) +20.5° to +21.5°
Light absorption Absorbance at about 244 nm is about 0.56
Oxalic acid Max 0.3%
Loss on drying Max 0.1%
Sulphated ash Max 0.1%
Chloride (Cl) Max 0.01%
Sulphate (SO4) Max 0.002%
Copper (Cu) Max 0.0005%
Heavy metal (as Pb) Max 0.001%
Iron (Fe) Max 0.0002%
Lead (Pb) Max 0.001%




COA Center
 
OR
MSDS/SDS Center