Tannic acid

USP/1643328 - United States Pharmacopeia (USP) Reference Standard

Synonym: Gallotannin; Tannin

CAS Number: 1401-55-4
Empirical Formula (Hill Notation): C₇₆H₅₂O₄₆
Molecular Weight: 1701.20
MDL Number: MFCD00066397
Linear Formula: C₇₆H₅₂O₄₆
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-1643328-2G	2 g	$429.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

API family	tannic acid
application(s)	pharmaceutical (small molecule)
autoignition temp.	980 °F
form	powder with small lumps
format	neat
grade	pharmaceutical primary standard
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
manufacturer/tradename	USP
mp	218 °C (lit.)
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
solubility	acetone: very soluble
	alcohol: very soluble
	benzene: practically insoluble
	carbon disulfide: practically insoluble
	carbon tetrachloride: practically insoluble
	chloroform: practically insoluble
	water: soluble

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.
Application:	Tannic acid USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.
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 .
Other Notes:	Sales restrictions may apply.

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	41116107

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