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Merck
CN

V900454

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
EC Number:
200-714-4
UNSPSC Code:
12352106
PubChem Substance ID:
329829856
Beilstein/REAXYS Number:
1896821
MDL number:
MFCD00007140
Assay:
98%

Key Documents

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InChI key

KIUMMUBSPKGMOY-UHFFFAOYSA-N

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)

SMILES string

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

grade

reagent grade

product line

Vetec™

assay

98%

mp

240-245 °C (dec.) (lit.)

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Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
WXBD1876V
WXBD1158V
WXBC9564V
WXBC0592V
WXBB4864V

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