Vitamin C / Vc Food Grade CAS50 -81-7 Ascorbic Acid

Model NO.
TNN10
Nutrient Composition
Vitamin
Resource
Chemosynthesis
The content of active substances
>99%
Mf
C22h38o7
Ingredients
Vitamin C
Appearance
White Powder
Place of Origin
China
Transport Package
Cardboard Cartons
Specification
25kg
Trademark
TNN
Origin
China
HS Code
29362700
Reference Price
$ 34.20 - 37.80
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Product Description

Vitamin C / Vc Food Grade CAS50-81-7 Ascorbic Acid Vitamin C / Vc Food Grade CAS50-81-7 Ascorbic Acid
Item Standard
Appearance White or almost white, crystalline powder or colourless crystals
Melting point About 190 ºC . with decomposition
Infrared absorption spectrum Infrared absorption spectrum accord with the referance spectrum of ascorbic acid CRS
PH(With 5% water solution) 2.1-2.6
PH(With 2% water solution) 2.4-2.8
Appearance of solution Clarity; clear; colour:  ≤ BY 7
Specific optical rotation 20.5 ºC-  21.5 ºC
Loss on drying ≤ 0.4%
Impurity E ≤ 0.2%
Related substance Impurity C:  ≤ 0.15%
Impurity D:  ≤ 0.15%
Unpecified impurities: ≤ 0.10%
Total impurities: ≤ 0.20%
Copper ≤ 5.0ppm
Iron ≤ 2.0ppm
Arisenic ≤ 3.0ppm
Lead ≤ 2.0ppm
Mercury ≤ 1.0ppm
Cadmium ≤ 1.0ppm
Heavy metals ≤ 10ppm
Sulphated ash ≤ 0.1%
Assay 99.0% ~ 100.5%


 

 

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