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Vitamin C

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  Post Date: Dec 25,2013
  Expiry Date: Jun 23,2014
  Detailed Description: Cas No. :50-81-7
Vitamin C

CAS No.: 50-81-7
H.S No.: 29362700
Molecular Formula: C6H8O6
Molecular Weight: 176.12

Usage: Involvement in various inner body metabolisms, lowering of the capillary vessel brittleness, enhancement of physical resistibility, protection against scurvy, function to aid the cure for acute & chronic contagious diseases and purpura.

Package: 25kg per paper box with inner plastic bags.

Specification:

Item

Index

Characteristics

white crystalline powder

Identification

positive reaction

Assay (PCT)

99.0-100.5

Melting point ℃

about 190

PH value

2.1-2.6

Clarity of solution

pass

Color of solution

7 max

Copper salt

5ppm max

Ferrite

2ppm max

Heavy metals

10ppm max

Oxalate

0.2 PCT max

Residue on ignition

0.1PCT max

Specific rotation

+20.5o +21.5o


  CAS Registry Number:

50-81-7

  Synonyms: ;L-Ascorbic Acid, Free Acid;Vitamin C;L-(+)-Ascorbic acid;VC;ascorbic acid;Vita C BP2005;Vitamine C;L-threo-hex-1-enofuranos-3-ulose;(5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one (non-preferred name);5-(1,2-dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one (non-preferred name);Vit.C;Ascorbic Acid(VC);L-Ascorbic Acid;Ascorbate Acid;COATED ASCORBIC ACID;
  Molecular Formula: C6H8O6
  Molecular Weight: 176.1241
  Molecular Structure: 50-81-7 L(+)-Ascorbic acid
  Safety Description: S24/25:;

  Company: Hainan Huarong Chemical Co., Ltd.     [ Australia ]          
  Contact:
  Tel: +86-898-68537282 68521061 68
  Fax: +86-898-68538692 68555057
  Email: xzb@huarongroup.com
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