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Merck
CN

1.00773

Tannic acid

powder

Synonym(s):

Tannic acid, Tannin

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About This Item

CAS Number:
1401-55-4
UNSPSC Code:
12352401
EC Index Number:
215-753-2
MDL number:
MFCD00066397

Key Documents

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Product Name

Tannic acid, powder

SMILES string

O1C(C(C(C(C1COC(=O)c%10cc(c(c(c%10)O)O)OC(=O)c%11cc(c(c(c%11)O)O)O)OC(=O)c8cc(c(c(c8)O)O)OC(=O)c9cc(c(c(c9)O)O)O)OC(=O)c6cc(c(c(c6)O)O)OC(=O)c7cc(c(c(c7)O)O)O)OC(=O)c4cc(c(c(c4)O)O)OC(=O)c5cc(c(c(c5)O)O)O)OC(=O)c2cc(c(c(c2)O)O)OC(=O)c3cc(c(c(c3)O)O)O

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

InChI key

LRBQNJMCXXYXIU-UHFFFAOYSA-N

form

powder
solid

solubility

250 g/L

cation traces

As: ≤0.0003%
heavy metals (as Pb): ≤0.004%

application(s)

pharma/biopharma processes

storage temp.

2-30°C

Quality Level

300

Application

Tannic acid is used as reagent, color stabilizer and clarifying agent in pharmaceutical processes.

General description

We offer a range of high quality critical raw materials plus the documentation and expertise to help our customers meet stringent regulatory requirements. Our SAFC® portfolio of high-quality products withstands strict quality control procedures.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany
SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

390.2 °F

flash_point_c

199 °C

Certificates of Analysis (COA)

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