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Tannic Acid

Tannic Acid / CAS : 1401-55-4

Appearance The light yellow to yellowish brown solid gave a faint odor UN 0
HS 32019090 DG Class 0
Synonyms Acidum Tannicum; Quercotannic acid; Querci-Tannic acid; Digallic acid; Gallotannin; Chinese Tannin; Gallotannic acid; 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; 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; Quercitannin; Tannimum; Gallotannin Tannin; 3,4,5-Trihydroxybenzoic acid; Querco-Tannic Acid; Chinese Gallotannin; 1,2,3,4,6-Penta-O-{3,4-Dihydroxy-5-[(3,4,5-Trihydroxybenzoyl)Oxy]Benzoyl}-D-Glucopyranose; Tanic acid
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Properties

Summary

Formula
C76H52O46
Molecular Mass
1701.20000
Exact Mass
1700.17000
PSA
777.98000
Logp
4.83810
IUPAC
[2,3-dihydroxy-5-[[(2R,3R,4S,5R,6S)-3,4,5,6-tetrakis[[3,4-dihydroxy-5-(3,4,5-trihydroxybenzoyl)oxybenzoyl]oxy]oxan-2-yl]methoxycarbonyl]phenyl] 3,4,5-trihydroxybenzoate
SMILES
C1=C(C=C(C(=C1O)O)O)C(=O)OC2=CC(=CC(=C2O)O)C(=O)OC[C@@H]3[C@H]([C@@H]([C@H]([C@@H](O3)OC(=O)C4=CC(=C(C(=C4)OC(=O)C5=CC(=C(C(=C5)O)O)O)O)O)OC(=O)C6=CC(=C(C(=C6)OC(=O)C7=CC(=C(C(=C7)O)O)O)O)O)OC(=O)C8=CC(=C(C(=C8)OC(=O)C9=CC(=C(C(=C9)O)O)O)O)O)OC(=O)C1=CC(=C(C(=C1)OC(=O)C1=CC(=C(C(=C1)O)O)O)O)O

Attribute classification

Matter Classification
organic
Category
Plant and Other Extracts > Plant Extracts
Auxiliary > Leather Auxiliary Agents
API & Intermediate > Digestive System Drugs

Chemical and Physical Properties

Melting Point
218 °C
Density
1.2965 (rough estimate)
Boiling Point
862.78°C (rough estimate)
Flash Point
198°C
Appearance
The light yellow to yellowish brown solid gave a faint odor

Export information

HS Code
32019090
Export Rebate
0%
UN No.
0
DG-Class
0
Risk Code
40-62-63-68-36/37/38-52/53
Safety Label
Xi,Xn

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