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% 

Our Advantage: 

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

② Complete Certifications; Quality Assurance;

③ Different qualified good sources are available; Always keep enough stock in the warehouse; Ready to ship;

④ Own the AEO certificate from China Customs, Enjoy green channel of customs clearance, Reduce customs clearance time and make rapid delivery;

⑤ Warehouses in Shanghai, Qingdao and Tianjin, Cooperate with more than 30 leading shipping companies in China to ensure delivery speed;

⑥ Customized label support according to your demands.

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Analysis ContentsAnalysis StandardAnalysis Results
CharacteristicsWhite or almost White
crystals Crystalline  Powder
Pass
IdentificationPositive ReactionPositive
Melting PointAbout 190℃190.7℃
PH(5% aqueous solution)2.1-2.62.36
Clarity Of SolutionClearClear
Colour  Of Solution≤BY7<BY7
Copper≤5ppm<5ppm
Heavy Metals≤10ppm<10ppm
Mercury<0.1mg/kg<0.1mg/kg
Lead<2mg/kg<2mg/kg
Arsenic≤2ppm<2ppm
Oxalic Acid≤0.2%<0.2%
Iron≤2ppm<2ppm
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

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