5,5'-Dithiobis(2-nitrobenzoic acid)

• Catalog No.: A14331
• CAS Number: 69-78-3
• M. F.: C14H8N2O8S2
• M. W.: 396.35192
• Purity: 99%

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; Bis(3-carboxy-4-nitrophenyl) disulfide

DATABASE IDS

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

PROPERTIES

• Purity: 99%
• Melting Point: ca 240°C dec.
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• GHS Precautionary statements: P261-P305+P351+P338-P302+P352-P321-P405-P501A
• Risk Statements: 36/37/38
• RTECS: DG9650000
• Safety Statements: 26-37
• TSCA Listed: 是

REFERENCES

• Reacts with free thiol groups to form a highly colored (yellow) thiolate anion: Arch. Biochem. Biophys., 82, 70 (1959); used for quantitative determination of thiols. Also used in chromogenic assay of acetylcholinesterase: Enzyme Assays, R. Eisenthal and M. J. Danson, Eds., OUP, Oxford (1992), p81.