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Tannic acid

Catalog No. 16201 Name Sigma Aldrich
CAS Number 1401-55-4 Website http://www.sigmaaldrich.com
M. F. C76H52O46 Telephone 1-800-521-8956
M. W. 1701.19848 Fax
Purity Email
Storage Chembase ID: 130796

SYNONYMS

Title
单宁酸
IUPAC name
2,3-dihydroxy-5-({[(2R,3R,4S,5R,6S)-3,4,5,6-tetrakis[3,4-dihydroxy-5-(3,4,5-trihydroxybenzoyloxy)benzoyloxy]oxan-2-yl]methoxy}carbonyl)phenyl 3,4,5-trihydroxybenzoate
IUPAC Traditional name
2,3-dihydroxy-5-({[(2R,3R,4S,5R,6S)-3,4,5,6-tetrakis[3,4-dihydroxy-5-(3,4,5-trihydroxybenzoyloxy)benzoyloxy]oxan-2-yl]methoxy}carbonyl)phenyl 3,4,5-trihydroxybenzoate
Synonyms
Tannin
没食子鞣酸
Gallotannin
单宁

DATABASE IDS

EC Number 215-753-2
CAS Number 1401-55-4
MDL Number MFCD00066397
Beilstein Number 8186396
PubChem SID 24849966

PROPERTIES

Cation Traces As: ≤3 mg/kg
Empirical Formula (Hill Notation) C76H52O46
Grade puriss.
Ignition Residue ≤0.1% (as SO4)
Impurities dextrines, gum matters, in accordance
Impurities resinous matters, in accordance
Impurities ≤0.003% heavy metals (as Pb)
Loss on Drying ≤9% loss on drying, 105 °C, 2 h
Quality meets analytical specification of USP
Apperance powder
Auto Ignition Point 980 °F
Flash Point 199 °C
Flash Point 390.2 °F
Melting Point 218 °C(lit.)
GHS Hazard statements H412
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
GHS Precautionary statements P273
Risk Statements 52/53
RTECS WW5075000
Safety Statements 61
German water hazard class 2

DETAILS

REFERENCES