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Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7

China Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7, Find details about China CAS 50-81-7, (5R) -5-[ (1S) -1 2-Dihydroxyethyl]-3 from Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7

Model NO.
50-81-7
Trademark
lvyang
Transport Package
25kg/Bag or 50kg/Bag
Specification
99%
Origin
China
HS Code
29362700
Model NO.
50-81-7
Trademark
lvyang
Transport Package
25kg/Bag or 50kg/Bag
Specification
99%
Origin
China
HS Code
29362700

Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7

 
Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7
 
SPECIFICATION OF ASCORBIC ACID (VITAMIN C)
Product NameAscorbic acid
CAS No.50-81-7
Molecular FormulaC6H8O6
Molecular Weight176.12
Structural FormulaVitamin C Powder Ascorbic Acid Food Grade Vc
Quality StandardBP2014/USP39/EP7/E300/FCC7
Packing25 kg/carton
Shelf Life3 Years
 
ItemsSpecification
CharacteristicsWhite or almost white,Crystalline powder or colourless crystals
IdentificationCorresponds
Melting Point189°C ~ 193°C
PH (5%,W/V)2.1-2.6
PH (2%,W/V)2.4-2.8
Specific Optical Rotation+20.5° ~ +21.5°
Apperance of SolutionClarity: Clear; Colour: ≤BY7
Heavy Metals≤10ppm
Copper≤5 ppm
Iron≤2 ppm
Mer<1 ppm
Arsenic≤3 ppm
Ca<1 ppm
Lead<2 ppm
Loss of Drying≤0.4%
Sulphate Ash≤0.1%
Oxalic Acid (Impurity E)≤0.2%
Related substancesImpurity C:  ≤0.15%
Impurity D:  ≤0.15%
Unspecified impurities:  ≤0.10%
Total impurities:  ≤0.20%
Residual solventsMeets the requirements
Assay99.0%-100.5%
 

 

Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7
Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7Professional Supplier Vitamin C Ascorbic Acid for Skin CAS 50-81-7
Hebei Lvyang Biotechnology Co.,Ltd.
https://lvyangbiotech.en.made-in-china.com/ 

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