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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
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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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