5,5′-Dithiobis(2-nitrobenzoic acid)

• Catalog No.: 43760
• CAS Number: 69-78-3
• M. F.: C14H8N2O8S2
• M. W.: 396.35192
• Purity: ≥97.5% (HPLC)

SYNONYMS

• Title: 5,5'-二硫双(2-硝基苯甲酸)
• IUPAC name: 5-[(3-carboxy-4-nitrophenyl)disulfanyl]-2-nitrobenzoic acid
• IUPAC Traditional name: ellman's reagent
• Synonyms: 3-Carboxy-4-nitrophenyl disulfide; 双(3-羧基-4-硝基苯基)二硫; 6,6′-二硝基-3,3′-二硫代苯甲酸; Ellman 试剂; 二硫代硝基苯甲酸; DTNB; Bis(3-carboxy-4-nitrophenyl) disulfide; 6,6′-Dinitro-3,3′-dithiodibenzoic acid; Ellman’s Reagent

DATABASE IDS

• CAS Number: 69-78-3
• Beilstein Number: 1896821
• MDL Number: MFCD00007140
• EC Number: 200-714-4

PROPERTIES

• Linear Formula: [-SC6H3(NO2)CO2H]2
• Purity: ≥97.5% (HPLC)
• Melting Point: 240-245 °C (dec.)(lit.)
• Melting Point: ~240 °C (dec.)
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 36/37/38
• RTECS: DG9650000
• Safety Statements: 26-36
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
For the modification and quantitative detection of sulfhydryl groups;1 Re-examination of molar absorption coefficient;2,3 Derivatization of thiols for HPLC.4

Description (简体中文)

Other Notes
For the modification and quantitative detection of sulfhydryl groups;1 Re-examination of molar absorption coefficient;2,3 Derivatization of thiols for HPLC.4