Zhengzhou Natural Chemical Co.,Ltd.
 

Ascorbic Acid

Model No. : CAS No. 50-81-7

Product Origin : China

Brand Name : NC

Detailed :

Product Identification.:

Product name: ascorbic acid
Synonyms: L-Ascorbic acid; vitamin C; VC
Molecular Formula: C 6 H 8 O 6
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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