Ascorbic Sodium/Ascorbate Sodium

CAS number: 134-03-2

Molecular formula: C6H7NaO6

molecular weight: 198.1059

Chemical structure:

Product name:    sodium Ascorbate
Shelf lifeTwo years
Inspection Standard: USP31/FCCIV
TestsStandardsResults
AppearanceWhite to slightly yellow crystalline powderWhite crystalline powder
IdentificationPositivePositive
Specific optical rotation+103°~+108°+105.4°
Loss on drying≤0.25%0.07%
Heavy metals≤0.001%<0.001%
Arsenic≤0.0003%<0.0003%
Mercury≤0.0001%≤0.0001%
Lead≤0.0002%≤0.0002%
Zinc≤0.0025%≤0.0025%
Copper≤0.0005%≤0.0005%
Ph(10%,w/v)7.0-8.07.37%
Assay 99.0%~101.0%99.7%
Organic vol.impurities
Meets usp requirement
Conclusion : The product conforms to USP31/FCCIV