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Property: Ascorbic acid is also called Vitamin c ,the product is white monoclinic crystalline powder ,melting point 190-192,pickle ,a long time getting yellowish color.The product is soluble in water ,slightly soluble in ethanol,insoluble in ether and chloroform.The solution was acidic.5%(W/V)aqueous solution PH2.1-2.6,specific rotation was +20.5-+21.5.
Appearance: White crystal or crystalline powder
Cas No.: 50-81-7
EINECS No.: 200-066-2
Molecular Formula: C6H8O6
Molecular Weight: 176.13
Specification:
Items | Standard |
Characteristics | White crystalline powder,odorless |
Identification | Positive |
Clarity of solution | Clear |
Iron | ≤2ppm |
Copper | ≤5ppm |
Sulphate | ≤0.2% |
Loss on drying | ≤0.4% |
Residue on ignition | ≤0.1% |
Heavy metals | ≤3ppm |
Arsenic | ≤1ppm |
Assay | ≥99.8% |
Storage Condition: Keep in cool, dry, dark conditions, in sealed containers
Package: 25kg net weight carton or fiber drum,inner with double PE bags
Application: Ascorbic acid is widely used in food ,beverages,farming and feed additives,and other fields.
Copyright 2016 Zhengzhou Friend Biological Engineering Co., Ltd.
