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Ascorbic Acid with high Vitamin C

Ascorbic Acid with high Vitamin C
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FOB Price: Negotiable 
Product Type: Food ingredient 
Port: Shanghai or Tianjin 
Minimum Order Quantity: 500  
Supply Ability: 1000
Place Of Origin: China
Delivery Time: 5 days
Expiry Date: long-term effectiveness
Last Update: 2016-11-23
Views: 157
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Product Details
 
 Product Identification.:

Product name: ascorbic acid 
Synonyms: L-Ascorbic acid; vitamin C; VC 
Molecular Formula: C 
Molecular Weight: 176.12 
CAS No: 50-81-7

Quality standard.: ( see table )

The quality conforms to BP/USP.

Ascorbic Acid Quality standard

Item

Index

Characteristic

white crystalline powder

Melting point

190-192

Specific rotation

+21.0

Identification

Conforms

Assay

≥ 99.0%

Clarity of solution

Fine

Colour of solution(A 420nm )

A≤0.03

Residue on ignition

≤0.1%

Ferrite

≤2ppm

Copper

≤5ppm

Heavy metals

≤10ppm

 
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