Product Information
Product Name |
Ascorbic Acid |
Certifications |
USP/FCC; Kosher |
Synonyms |
Vitamin C |
CAS Number |
50-81-7 |
Molecular Weight |
176.12 |
Molecular Formula |
C6H6O6 |
Specifications
Appearance |
White, crystalline powder |
Identification |
Positive Reaction |
Melting Point |
About 190 deg C |
pH |
2.4 – 2.6 |
Clarity of Solution |
Clear |
Color of Solution |
<= BY7 |
Loss of Drying |
0.4% max |
Arsenic |
<= 3 ppm |
Lead |
<= 2 ppm |
Copper (Cu) |
<= 5 ppm |
Heavy metal (as Pb) |
<= 10 ppm |
Iron (Fe) |
<= 2 ppm |
Mercury |
<= 1 ppm |
Oxalic Acid |
<= 0.2 % |
Sulphate Ash |
0.1% max |
Specific Optical Rotation |
+ 20.5° ~ + 21.5° |
Residual Solvents |
Pass |
Organic Volatile Impurities |
Pass |
Mesh |
40-80 mesh |
Assay |
99.0 ~ 100.5% |
Total Plate Count |
100 cfu/g max |
E-Coil |
Negative |
Yeast & Mold |
100 cfu/g max |
Pseudomonas |
Negative |
Staphylococcus |
Negative |
Packing Options
25 kg net cartons |
Other packing options are available upon request
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