1643328
USP
Tannic acid
United States Pharmacopeia (USP) Reference Standard
Synonym(s):
Gallotannin, Tannin
About This Item
Recommended Products
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
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General description
For further information and support please go to the website of the issuing Pharmacopoeia.
Application
Analysis Note
Other Notes
wgk_germany
WGK 2
flash_point_f
390.2 °F
flash_point_c
199 °C
Certificates of Analysis (COA)
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