Ascorbic Acid

CAS number: 50-81-7

Molecular formula: C6H8O6

molecular weight: 176.1241

Chemical structure:

Pharmaceutical Grade: Ascorbic acid

Food Grade: Ascorbic acid, Vitamin C sodium, Vitamin C calcium, Vitamin C DC grade 

Feed Grade: Ascorbic acid, Vitamin C coated, Vitamin C phosphate 35% 

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① All specifications are available, can be used in a variety of industries;

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Analysis ContentsAnalysis StandardAnalysis Results
CharacteristicsWhite or almost White
crystals Crystalline  Powder
IdentificationPositive ReactionPositive
Melting PointAbout 190℃190.7℃
PH(5% aqueous solution)2.1-2.62.36
Clarity Of SolutionClearClear
Colour  Of Solution≤BY7<BY7
Heavy Metals≤10ppm<10ppm
Oxalic Acid≤0.2%<0.2%
Impurity E≤0.2%<0.2%
Loss on Drying≤0.4%0.03%
Sulphate Ash(Residue  On Ignition)≤0.1%<0.1%
Specific Optical Rotation+20.5°–+21.5°+21.16°
Organic Volatile ImpuritiesPassPass
Assay99.0% -100.5%99.75%
Total plate count≤1000cfu/g<100cfu/g
Yeasts & molds≤100cfu/g<10cfu/g
Conclusion:The Above-Mentioned Product Conforms To BP2019/USP41