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Tannic Acid

2,3-dihydroxy-5-({[(2R,3R,4S,5R,6R)-3,4,5,6-tetrakis({3,4-dihydroxy-5-[(3,4,5-trihydroxyphenyl)carbonyloxy]phenyl}carbonyloxy)oxan-2-yl]methoxy}carbonyl)phenyl 3,4,5-trihydroxybenzoate
CAS: 1401-55-4

A commercial form of tannin, a type of polyphenol.

FEMA#: 3042

Other Known Names: acidum tannicum, gallotannic acid, digallic acid, gallotannin, tannimum, quercitannin, oak bark tannin, quercotannic acid, querci-tannic acid, querco-tannic acid

Molecular Formula: C76H52O46

Applications: fabric dyeing, corrosion inhibitor, beer clarificaiton, aroma compound in soft drinks and juices, natural clarifying agent, color stabilizer and taste enhancer in wine making

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  • Properties

Properties

Molar Mass: 1,701.20 g/mol

Melting Point: Decomposes >200°C

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Graham Chemical Corporation

1250 South Grove Avenue, Suite 206
Barrington, IL 60010

847-304-4400

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