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16201 Sigma-Aldrich

Tannic acid

puriss., meets analytical specification of USP, powder

Synonym: Gallotannin, Tannin

  • CAS Number 1401-55-4

  • Empirical Formula (Hill Notation) C76H52O46

  • Molecular Weight 1701.20

  •  Beilstein/REAXYS Number 8186396

  •  EC Number 215-753-2

  •  MDL number MFCD00066397

  •  PubChem Substance ID 329751144

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Properties

Related Categories Analytical/Chromatography, Pharmacopoeia, Pharmacopoeia A-Z, Pharmacopoeial Organics
InChI Key   LRBQNJMCXXYXIU-PPKXGCFTSA-N
grade   puriss.
form   powder
autoignition temp.   980 °F
quality   meets analytical specification of USP
impurities   dextrines, gum matters, in accordance
  resinous matters, in accordance
  ≤0.003% heavy metals (as Pb)
ign. residue   ≤0.1% (as SO4)
loss   ≤9% loss on drying, 105 °C, 2 h
mp   218 °C (lit.)
solubility   H2O: soluble 1 gm in 0.35ml
  glycerol: soluble 1gm in 1 ml (warm)
  acetone: very soluble
  alcohol: freely soluble (Diluted)
  alcohol: slightly soluble (Dehydrated)
  alcohol: very soluble
  benzene: insoluble
  carbon disulfide: insoluble
  carbon tetrachloride: insoluble
  chloroform: insoluble
  diethyl ether: insoluble
  hexane: insoluble
  petroleum ether: insoluble
cation traces   As: ≤3 mg/kg

Description

Packaging

100, 500 g in poly bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
WW5075000
Flash Point(F) 
390.2 °F
Flash Point(C) 
199 °C

Documents

Certificate of Analysis

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Certificate of Origin

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Protocols & Articles
Peer-Reviewed Papers
15

References

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