Color fixative Ascorbic Acid Vitamin C, CAS:50-81-7

Product Name

Ascorbic Acid(Vitamin C)

Synonyms

L(+)-Ascorbic acid; L-Ascorbic acid(C);(R)-5-((S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one; L-Ascorbic acid; L-Threoascorbic acid,Antiscorbutic factor,Vitamin C;

CAS

50-81-7

EINECS

200-066-2

Molecular formula

C₆H₈O₆

Molecular Weight

176.12

Molecular Structure

Physical and Chemical Properties

General Description

White powder

Usage

In the pharmaceutical industry,can be used to treat  scurvy and various acute and chronic infections diseases,are applicable to the lack of VC.

In the food industry,it can both use as nutrition-al supplements,supplementary VC in food processing,and also is good Antioxidants in Food Preservation,widely used in meat products,,fermented flour products,beer,tea dtinks, fruit juice,canned fruit,canned meat and so on;also commonly used in cosmetics,Feed Additives and other industrial areas.

Packing

25KGS/PAPER DRUM

Storage condition

Store in dry, dark, cool and well-closed containers

Specifications

Items

Standard

Appearance

White powder

Assay

99.0%-100% min

Loss on drying

0.01%

Acidity(pH)

2.34(5% aqueous solution)

Clarity of Solution

Clear

Colour of Solution

< BY

Heavy Metals

< 3ppm

Copper

< 5ppm

Iron

< 2ppm

Lead

< 2ppm

Arsenic

< 3ppm

Mercury

< 1ppm

Specific Rotation

+20.98°

Sulphated Ash

0.02%

Oxalic Acid

< 0.2%

Residual Solvents

0.0085%