Ascorbic Acid

Product Type:
Antioxidants
CAS Number:
50-81-7
Product Size:
250 g, 1 kg, 25 kg, Custom size
Cat. Number:
FTB0003
Product Information
Color White
Form Crystal or crystalline powder
Identification Positive
Assay (dry basis) 99.0-100.5%
pH Value 2.2-2.5 (5% solution); 2.4-2.8 (2% solution)
Specific Rotation Between +20.5° and +21.5°
Appearance of Solution Clear
Loss on Drying ≤ 0.1%
Sulphated Ash ≤ 0.1%
Melting Point 191.0-192.0°C
Heavy Metals ≤ 0.0003%
Arsenic (As) ≤ 2 mg/kg
Lead (Pb) ≤ 2 mg/kg
Mercury (Hg) ≤ 1 mg/kg
Copper (Cu) ≤ 3 mg/kg
Iron (Fe) ≤ 2 mg/kg
Total Plate Count ≤ 1000 cfu/g
Yeast and Moulds ≤ 100 cfu/g
Staphylococcus Aureus Negative in 25 g
Salmonella Negative in 25 g
Escherichia. Coli Negative

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