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Vitamin C

Vitamin C
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FOB Price: 3.60 USD/  
Product Type: ascorbic acid 
Port: qingdao/tianjin 
Minimum Order Quantity:  
Supply Ability:
Place Of Origin: China
Delivery Time: 7 days
Expiry Date: long-term effectiveness
Last Update: 2018-11-26
Views: 23
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Product Details
 
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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

 
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