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Tannic acid

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  Post Date: Jun 24,2013
  Expiry Date: Dec 21,2013
  Detailed Description: Cas No. :1401-55-4 Tannic acid 　
EINECS:215-753-2　
Molecular Formula:C76H52O46　
CAS Registry Number:1401-55-4　
Molecular Weight:1701.22　
Density:2.12 g/cm3　
Water solubility:250 g/L (20℃)　
Melting Point:218℃Flash Point:198℃Storage Temperature:Store in a cool,dry,well-ventilated area away from incompatible substances. Keep containers tightly closed. Store protected from light.　
Refractive index:1.927　
Solubility:250 g/L (20 °C) in water　
Appearance:light yellow to tan solid with a faint odor　
Stability:Stable. Incompatible with metallic salts,strong oxidizing agents,iron and other heavy metals.　
Usage:　
Mordant in dyeing,manufacture ink,sizing paper & silk,printing fabrics,tanning,as coagulant in rubber mfr,with gelatin & albumin for manufacture of imitation horn & tortoise shell,clarifying beer or wine,in photography,manufacture gallic acid & pyrogallol,as reagent in analytical chemistry.　


  CAS Registry Number:

1401-55-4
  Synonyms: ;Chinese tannin;Gallotannic acid;Gallotannin;Galloylglucose;Glycerite;Penta NM digalloyl glucose;Quebracho;Tannins;1,3,6-tris-O-(3,4,5-trihydroxybenzoyl)hexopyranose;1,2,3,4,6-pentakis-O-[(3,4-dihydroxy-5-{[(3,4,5-trihydroxyphenyl)carbonyl]oxy}phenyl)carbonyl]hexopyranose;
  Molecular Formula: C76H52O46
  Molecular Weight: 1701.1985
  Molecular Structure: 1401-55-4 Tannic acid
  Safety Description: S24/25:;

  Company: Wuhan Yuancheng Gongchuang Technology Co., Ltd.     [ China ]        
  Contact: Chris Lee
  Tel: 86-027-88080632
  Fax: 86-027-88048077
  Email: ycgc_int01@yccreate.com
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