good Chinese Ascorbic acid(Vitamin C) plain BP/USP/EP/FCC
good Chinese Ascorbic acid(Vitamin C) plain BP/USP/EP/FCC
good Chinese Ascorbic acid(Vitamin C) plain BP/USP/EP/FCC
good Chinese Ascorbic acid(Vitamin C) plain BP/USP/EP/FCC
good Chinese Ascorbic acid(Vitamin C) plain BP/USP/EP/FCC
good Chinese Ascorbic acid(Vitamin C) plain BP/USP/EP/FCC

Product review

Description

Product Parameter

Item
Standard
Appearance
White or almost white, crystalline powder or colourless crystals
Melting point
About 190℃. 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: ≤BY7
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% 

CAS No.:50-81-7

Other Names: Ascorbic acid

MF:C6H8O6

EINECS No.:200-066-2

Place of Origin: China (Mainland)

Grade Standard: Cosmetic Grade, Feed Grade, Food
Grade, Medicine Grade

Usage: Animal Pharmaceuticals

Brand Name: TNN

Model Number: BP USP EP

Purity:99% min