Basic information
CAS NO
1401-55-4
EINECS
215-753-2
Molecular Formula
C76H52O46
Molecular Weight
1701.1985
English Name
Tannic acid
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
Physical and Chemical Properties
Density
2.12g/cm3
Refractive index
1.927
Melting point
218℃
Water Solubility
250 g/L (20℃)
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