D218200

5,5′-Dithiobis(2-nitrobenzoic acid)

ReagentPlus^®, 99%

• 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: 69-78-3
• Molecular Weight: 396.35
• Beilstein: 1896821
• EC Number: 200-714-4
• MDL number: MFCD00007140
• PubChem Substance ID: 24893651

Properties

• Quality Level: 200
• product line: ReagentPlus^®
• assay: 99%
• form: powder
• 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

Description

Application

5,5′-Dithiobis(2-nitrobenzoic acid) is a water soluble reagent mainly used for the derivatization of sulfhydryl groups.

Packaging

1, 5 g in glass bottle

10 g in poly bottle

5 kg

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves