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1643328

USP

Tannic acid

Name: Tannic acid
Brand: USP

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Gallotannin, Tannin

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About This Item

Empirical Formula (Hill Notation):

C₇₆H₅₂O₄₆

CAS Number:

1401-55-4

Molecular Weight:

1701.20

UNSPSC Code:

41116107

NACRES:

NA.24

PubChem Substance ID:

329751222

MDL number:

MFCD00066397

Beilstein/REAXYS Number:

8186396

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Properties

grade

pharmaceutical primary standard

API family

tannic acid

form

powder with small lumps

autoignition temp.

980 °F

manufacturer/tradename

USP

mp

218 °C (lit.)

solubility

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)

format

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

Description

General description

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.

Application

Tannic acid USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

Analysis Note

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.

Other Notes

Sales restrictions may apply.

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Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

390.2 °F

flash_point_c

199 °C

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Global Trade Item Number

SKU	GTIN
1643328-2G	04061838748089