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96311

Sigma-Aldrich

Tannic acid

tested according to Ph. Eur.

Synonym(s):

Tanninum, Gallotannin, Tannin

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About This Item

Empirical Formula (Hill Notation):
C76H52O46
CAS Number:
1401-55-4
Molecular Weight:
1701.20
Beilstein/REAXYS Number:
8186396
EC Number:
215-753-2
MDL number:
MFCD00066397
UNSPSC Code:
12352100
PubChem Substance ID:
329770494

agency

USP/NF
tested according to Ph. Eur.

Quality Level

100

form

powder

autoignition temp.

980 °F

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

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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Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

390.2 °F

flash_point_c

199 °C

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCBT8361
BCBR3367V
BCBQ6294V

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Takashi Mori et al.
The Journal of biological chemistry, 287(9), 6912-6927 (2012-01-06)
Amyloid precursor protein (APP) proteolysis is essential for production of amyloid-β (Aβ) peptides that form β-amyloid plaques in brains of Alzheimer disease (AD) patients. Recent focus has been directed toward a group of naturally occurring anti-amyloidogenic polyphenols known as flavonoids.
Sara Štumpf et al.
Molecules (Basel, Switzerland), 25(12) (2020-07-02)
In this study the effect of growth medium strength on the minimum inhibitory concentration (MIC) of different tannins and tannin extracts against Escherichia coli was systematically investigated for the first time. Three pure compounds (vescalagin, castalagin and gallic acid) and
David E Payne et al.
Infection and immunity, 81(2), 496-504 (2012-12-05)
Staphylococcus aureus is a human commensal and pathogen that is capable of forming biofilms on a variety of host tissues and implanted medical devices. Biofilm-associated infections resist antimicrobial chemotherapy and attack from the host immune system, making these infections particularly
Facile one-pot synthesis of gold nanoparticles using tannic acid and its application in catalysis.
Aromal SA and Philip D.
Physica E: Low-Dimensional Systems and Nanostructures, 44(7), 1692-1696 (2012)
Claudia Scattino et al.
Food chemistry, 163, 51-60 (2014-06-11)
In the present study the possibility of enhancing phenolic compound contents in peaches and nectarines by post-harvest irradiation with UV-B was assessed. Fruits of 'Suncrest' and 'Babygold 7' peach and 'Big Top' nectarine cultivars were irradiated with UV-B for 12
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