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398225 Sigma-Aldrich

Gallic acid monohydrate

ACS reagent, ≥98.0%

Synonym: 3,4,5-Trihydroxybenzoic acid monohydrate

  • CAS Number 5995-86-8

  • Linear Formula (HO)3C6H2CO2H · H2O

  • Molecular Weight 188.13

  •  Beilstein/REAXYS Number 2050274

  •  EC Number 205-749-9

  •  PubChem Substance ID 24864730

  •  NACRES NA.21

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Properties

Related Categories Acids, Acids & Bases, Building Blocks, C7, Carbonyl Compounds,
grade   ACS reagent
assay   ≥98.0%
impurities   ≤0.01% insolubles
ign. residue   ≤0.005%
mp   252 °C (dec.) (lit.)
anion traces   sulfate (SO42-): ≤0.02%

Description

General description

Gallic acid monohydrate is a phenolic acid. A study of its crystalline structure reveals that it is planar with two intramolecular hydrogen bonds and five intermolecular hydrogen bonds. Gallic acid is of significant importance because of its antioxidant and anti-cancer activities. Infrared and Raman spectral studies of gallic acid have been reported.

Application

Gallic acid monohydrate may be used as a standard in the photometric determination of total phenolics content by Folin-Ciocalteu method.

Packaging

100, 500 g in poly bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
LW7525000
Flash Point(F) 
482 °F
Flash Point(C) 
250 °C

Documents

Certificate of Analysis

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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