introduction


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.