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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

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About This Item

Linear Formula:
[-SC6H3(NO2)CO2H]2
CAS Number:
69-78-3
Molecular Weight:
396.35
Beilstein:
1896821
EC Number:
200-714-4
MDL number:
MFCD00007140
UNSPSC Code:
12352106
PubChem Substance ID:
329829856

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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Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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