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
Molar Mass: 1,701.20 g/mol
Melting Point: Decomposes >200°C