Merck
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V900454

Sigma-Aldrich

5,5′-Dithiobis(2-nitrobenzoic acid)

Vetec, reagent grade, 98%

Synonym(s):
3-Carboxy-4-nitrophenyl disulfide, 6,6′-Dinitro-3,3′-dithiodibenzoic acid, Bis(3-carboxy-4-nitrophenyl) disulfide, DTNB, Ellman’s Reagent
Linear Formula:
[-SC6H3(NO2)CO2H]2
CAS Number:
Molecular Weight:
396.35
Beilstein:
1896821
EC Number:
MDL number:
PubChem Substance ID:

grade

reagent grade

product line

Vetec

assay

98%

mp

240-245 °C (dec.) (lit.)

SMILES string

OC(=O)c1cc(SSc2ccc(c(c2)C(O)=O)[N+]([O-])=O)ccc1[N+]([O-])=O

InChI

1S/C14H8N2O8S2/c17-13(18)9-5-7(1-3-11(9)15(21)22)25-26-8-2-4-12(16(23)24)10(6-8)14(19)20/h1-6H,(H,17,18)(H,19,20)

InChI key

KIUMMUBSPKGMOY-UHFFFAOYSA-N

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Packaging

5, 25 g in poly bottle

Legal Information

Vetec is a trademark of Sigma-Aldrich International GmbH

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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