Tannic acid
SIGALD/16201 - puriss., meets analytical specification of USP, powder
Synonym: Gallotannin; Tannin
CAS Number: 1401-55-4
Empirical Formula (Hill Notation): C76H52O46
Molecular Weight: 1701.20
EC Number: 215-753-2
MDL Number: MFCD00066397
Linear Formula: C76H52O46
Product Type: Chemical
autoignition temp. | 980 °F |
cation traces | As: ≤3 mg/kg |
form | powder |
grade | puriss. |
ign. residue | ≤0.1% (as SO4) |
impurities | dextrines, gum matters, in accordance |
resinous matters, in accordance | |
≤0.003% heavy metals (as Pb) | |
InChI | 1S/C76H52O46/c77-32-1-22( |
InChI key | LRBQNJMCXXYXIU-PPKXGCFTSA |
loss | ≤9% loss on drying, 105 °C, 2 h |
mp | 218 °C (lit.) |
quality | meets analytical specification of USP |
Quality Level | 200 |
SMILES string | Oc1cc(cc(O)c1O)C(=O)Oc2cc |
solubility | acetone: very soluble |
alcohol: freely soluble (Diluted) | |
alcohol: slightly soluble (Dehydrated) | |
alcohol: very soluble | |
benzene: insoluble | |
carbon disulfide: insoluble | |
carbon tetrachloride: insoluble | |
chloroform: insoluble | |
diethyl ether: insoluble | |
glycerol: soluble 1gm in 1 ml (warm) | |
H2O: soluble 1 gm in 0.35ml | |
hexane: insoluble | |
petroleum ether: insoluble |
Packaging: | 100, 500 g in poly bottle |
Risk Statements | 52/53 |
Safety Statements | 61 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 2 |
Flash Point(F) | 390.2 °F |
Flash Point(C) | 199 °C |
mp | 218 °C (lit.) |
UNSPSC | 12352106 |