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.