Tannic acid

• Catalog No.: 16201
• CAS Number: 1401-55-4
• M. F.: C76H52O46
• M. W.: 1701.19848

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
• 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