- Category :
Food and Feed additives
- CAS NO : 50-81-7
- EC NO : 200-066-2
- Molecular Formula : C6H8O6
- Main Specifications : purity: 99%
- Synonyms : L-Ascorbic Acid, Free Acid;Vitamin C;L-(+)-Ascorbic acid;VC;ascorbic acid;Vita C BP2005;Vitamine C;L-threo-hex-1-enofuranos-3-ulose;(5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one (non-preferred name);5-(1,2-dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one (non-preferred name);Vit.C;Ascorbic Acid(VC);L-Ascorbic Acid;Ascorbate Acid;COATED ASCORBIC ACID;
Package: 25kg carton
Uses : Food grade: As antioxidant and food nutrition enhancer, Vitamin C is used in flour product, beer, candy, jam, can, drink, dairy products ;Medicine grade: Vitamin medicines, prevent scurvy, and a various of drugs for acute or chronic infectious diseases, p
Molecular Structure:
Product description:
Test Items
Specification
Test Result
Characteristics
White or almost White crystals Crystalline Powder
Pass
Identification
Positive Reaction
Positive
Melting point
About 190°C
191.2°C
PH
2.1-2.6
2.46
Clarity of Solution
Clear
Clear
Colour of Solution
≤ BY7
< BY7
Copper
≤5ppm
<5ppm
Heavy Metals
≤10ppm
<10ppm
Mercury
<0.1mg/kg
<0.1mg/kg
Lead
<2 mg/kg
<2mg/kg
Arsenic
≤3ppm
<3ppm
Cadmium(Cd)
<1mg/kg
<1mg/kg
Oxalic Acid
≤0.2%
<0.2%
Iron
≤2ppm
<2ppm
Loss of Drying
≤0.4%
<0.4%
Sulphate Ash(Residue on Ignition)
≤0.1%
<0.1%
Specific Optical Rotation
+20.5 °~ +21.5 °
+21.15°
Mesh
40-80 Mesh
Pass
Organic Volatile Impurities
Pass
Pass
Assay
99.0%- 100.5%
99.84%
Conclusion : The Above-Mentioned Product Conforms To BP2009/ USP32.