1.Product Name: Ascorbic acid
2.CAS NO: 50-81-7
3.Purity: 99.5%min
4.Appearance: White or almost White crystals Crystalline Powder
5.HS Code: 2936270010
6. Applications:
1)Keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2)Prevent formation of nitrous amine from nitrous acid in meat products.
3)Improve dough quality and make baked food expand to its maximum.
4)Compensate the Vitamin C losses of beverage ,fruits and vegetables during processing rocedures.
7.Shelf life: 3 years
8.Specification:
GMP&DMF is available
Contents |
Standard |
Characteristics |
White or almost White crystals Crystalline Powder |
Identification |
Positive Reaction |
Melting Point |
About 190°C |
PH |
2.1-2.6 |
Clarity Of Solution |
Clear |
Colour Of Solution |
≤BY7 |
Copper |
≤5ppm |
Heavy Metals |
≤10ppm |
Mercury |
<0.1mg/kg |
Lead |
<2mg/kg |
Arsenic |
≤3ppm |
Cadmium(Cd) |
<1mg/kg |
Oxalic Acid |
≤0.2% |
Iron |
≤2ppm |
Loss of Drying |
≤0.4% |
Sulphate Ash(Residue On Ignition) |
≤0.1% |
Specific Optical Rotation |
+20.5°–+21.5° |
Organic Volatile Impurities |
Pass |
Assay |
99.0%-100.5% |
Residual Solvents |
Methanol:≤3000 ppm |
Total plate count |
≤1000 cfu/g |
Yeasts& molds |
≤100 cfu/g |
Escherichia coli |
Negative in 1g |