Property:Â Ascorbic acid is also called Vitamin c ,the product is white monoclinic crystaler ,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 .1-2.6,specific rotation was +20.5-+21.5.
Appearance:Â White crystal or crystaler
Cas No.: 50-81-7
EINECS No.:Â 200-066-2
Molecular Formula:Â C6H8O6
Molecular Weight:Â 176.13
Specification:
Â
Items | Standard |
Characteristics | White crystalrc; powder,odorless |
Identification | Positive |
Clarity  of solution | Clear |
Iron |  ≤2ppm |
Copper | ≤5ppm |
Sulte | ≤0.2% |
Loss on drying | ≤0.4% |
Residue on ignition | ≤0.1% |
Heavy metals | ≤3ppm |
Arsenic | ≤1ppm |
Assay | ≥99.8% |
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Storage Condition:Â Keep in cool, dry, dark conditions, in sealed containers
Package:Â 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.
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