Vitamin c Powder Ascorbic Acid
Specification cation:GB14754-2010,BP/EP/CP/USP/E300/FCC7
Packing Size: 25KG/Carton
Technical Data Sheet (TDS) of Ascorbic Acid (Vitamin C)
Commodity:C Ascorbic Acid
Chemical name:(5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxfuran-2(5H)-one
Chemical Formula: C6H8O6
Molecular Weight: 176.1
Appearance:White or almost white, crystalline powder or colorless crystals, becoming discolored on exposure to air and moisture.
Solubility: Freely soluble in water, sparingly soluble in ethanol (96%).
Melting Point:about 190ºC, with decomposition
Function:It applies mainly to production of various medicines as clinically important material for supplementary cure practice in different sectors. Being food additives, it acts as superior and reliable agent in nutrition, antiseptic and flour processing aspects. It also helps enhance the immune system of animals as being served in feed additives.
Package: 25 kg net weight carton with two PE-inner linings and vacuum-sealed.
Storage:Preserve from tight, light-resistant containers
|
No. |
Item | Standard(BP2011/USP33) | Test Result |
|
1 |
Characteristics | White or Almost White crystals Crystalline powder | Pass |
|
2 |
Identification | Positive reaction | Positive |
|
3 |
Melting Point | About 190oC | 190.3oC |
|
4 |
PH | 2.1~2.6 | 2.42 |
|
5 |
Sulphate Ash(Residue on Ignition) | ≤0.1% | <0.1% |
|
6 |
Clarity Of Solution | Clear | Clear |
|
7 |
Colour Of Solution | ≤BY7 | <BY7 |
|
8 |
Copper | ≤5ppm | <5ppm |
|
9 |
Heavy Metals | ≤10ppm | <10ppm |
|
10 |
Mercury | <0.1mg/kg | <0.1mg/kg |
|
11 |
Iron | ≤2ppm | <2ppm |
|
12 |
Specific Optical Rotation | +20.5~+21.5o | +20.95o |
|
13 |
Assay | 99.0%~100.5% | 99.83% |
|
14 |
Lead | <2mg/kg | <2mg/kg |
|
15 |
Arsenic | ≤2ppm | <2ppm |
|
16 |
Cadmium(Cd) | <1mg/kg | <1mg/kg |
|
17 |
Loss of Drying | ≤0.1% | <0.1% |
|
18 |
Oxalic Acid | ≤0.2% | <0.2% |
|
19 |
Organic Volatile Impurities | Pass | Pass |
|
20 |
Mesh | 40~80 Mesh | Pass |
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