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W304204

Sigma-Aldrich

Tannic acid

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Synonym(s):
Gallotannin, Tannin
Empirical Formula (Hill Notation):
C76H52O46
CAS Number:
Molecular Weight:
1701.20
FEMA Number:
3042
Beilstein/REAXYS Number:
8186396
EC Number:
Council of Europe no.:
74c
MDL number:
PubChem Substance ID:
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

Halal
Kosher

reg. compliance

FDA 21 CFR 117

autoignition temp.

980 °F

mp

218 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

medicinal; woody

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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1 of 4

This Item
16201403040T0200
Tannic acid

W304204

Tannic acid

-
Tannic acid puriss., meets analytical specification of USP, powder

16201

Tannic acid

Essential Grade
Tannic acid ACS reagent

403040

Tannic acid

-
Tannic acid Source: Chinese natural gall nuts

T0200

Tannic acid

-
grade

Halal, Kosher

grade

-

grade

ACS reagent

grade

-

biological source

synthetic

biological source

-

biological source

-

biological source

-

food allergen

no known allergens

food allergen

-

food allergen

-

food allergen

-

documentation

see Safety & Documentation for available documents

documentation

-

documentation

-

documentation

-

mp

218 °C (lit.)

mp

218 °C (lit.)

mp

218 °C (lit.)

mp

218 °C (lit.)

Disclaimer

For R&D or non-EU Food use. Not for retail sale.

Storage Class

11 - 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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Chromobacterium violaceum is an opportunistic pathogen that causes infections that are difficult to treat. The goal of this research was to evaluate the effect of selected tannins (tannic acid (TA) and gallic acid (GA)) on bacterial growth, motility, antibiotic (carbenicillin
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