Greentech Biochemicals Co., Limited. is a reliable supplier for Vitamin C powder (Ascorbic acid), Our regular product is Vitamin C powder (Ascorbic acid) food grade, it is mainly used as the dietary supplement.
Vitamin C powder (Ascorbic acid)
Source: Synthetic
Assay: 99.0%-100.5%
CAS NO.: 50-81-7
Molecular formula: C6H8O6
Appearance: White or almost white crystalline powder
Package: 25kg/drum
Usage: Supplement of vitamin
Product features: Soluble in water, easy absorption.
ITEM | SPEC |
Characteristics | White or almost white Crystalline powder |
Identification | Positive reaction |
Melting point | About 190℃ |
PH | 2.1-2.6 |
Clarity of solution | Clear |
Colour of solution | ≤BY7 |
Copper | ≤5ppm |
Heavy metals | ≤10ppm |
Lead | ≤2ppm |
Iron | ≤2ppm |
Arsenic | ≤3ppm |
Oxalic acid | ≤0.2% |
Sulphate ash(Residue on ignition) | ≤0.1% |
Specific optical rotation | +20.5°-- +21.5° |
Assay | 99.0%-100.5% |
Organic volatile impurities | Pass |
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