Merck
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1643328

USP

Tannic acid

United States Pharmacopeia (USP) Reference Standard

Synonym(s):
Gallotannin, Tannin
Empirical Formula (Hill Notation):
C76H52O46
CAS Number:
Molecular Weight:
1701.20
Beilstein:
8186396
Número MDL:
ID de la sustancia en PubChem:
NACRES:
NA.24

grado

pharmaceutical primary standard

formulario

powder with small lumps

temp. de autoignición

980 °F

manufacturer/tradename

USP

mp

218 °C (lit.)

solubilidad

acetone: very soluble
alcohol: very soluble
benzene: practically insoluble
carbon disulfide: practically insoluble
carbon tetrachloride: practically insoluble
chloroform: practically insoluble
water: soluble

application(s)

pharmaceutical (small molecule)

formato

neat

SMILES string

Oc1cc(cc(O)c1O)C(=O)Oc2cc(cc(O)c2O)C(=O)OC[C@H]3O[C@@H](OC(=O)c4cc(O)c(O)c(OC(=O)c5cc(O)c(O)c(O)c5)c4)[C@H](OC(=O)c6cc(O)c(O)c(OC(=O)c7cc(O)c(O)c(O)c7)c6)[C@@H](OC(=O)c8cc(O)c(O)c(OC(=O)c9cc(O)c(O)c(O)c9)c8)[C@@H]3OC(=O)c%10cc(O)c(O)c(OC(=O)c%11cc(O)c(O)c(O)c%11)c%10

InChI

1S/C76H52O46/c77-32-1-22(2-33(78)53(32)92)67(103)113-47-16-27(11-42(87)58(47)97)66(102)112-21-52-63(119-72(108)28-12-43(88)59(98)48(17-28)114-68(104)23-3-34(79)54(93)35(80)4-23)64(120-73(109)29-13-44(89)60(99)49(18-29)115-69(105)24-5-36(81)55(94)37(82)6-24)65(121-74(110)30-14-45(90)61(100)50(19-30)116-70(106)25-7-38(83)56(95)39(84)8-25)76(118-52)122-75(111)31-15-46(91)62(101)51(20-31)117-71(107)26-9-40(85)57(96)41(86)10-26/h1-20,52,63-65,76-101H,21H2/t52-,63-,64+,65-,76+/m1/s1

InChI key

LRBQNJMCXXYXIU-PPKXGCFTSA-N

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Descripción general

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Nota de análisis

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Otras notas

USP issued SDS can be found here.
Sales restrictions may apply.

Código de clase de almacenamiento

11 - Combustible Solids

WGK

WGK 2

Punto de inflamabilidad F

390.2 °F

Punto de inflamabilidad C

199 °C

Certificate of Analysis

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Certificate of Origin

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