| Catalogue No. | D 2355 |
| Categories | Carbonyl compounds,Carboxylic acids |
| Assay | 99% |
| Appearance (Colour) | Yellow |
| Appearance (Form) | Powder |
| Melting point | 240-245 °C |
| Density | 1.79 g/cm3 |
| DESCRIPTION | DTNB, is a sulfhydryl reagent used to characterize reactive thiol groups. |
| Precautions | 5,5′-Dithio-bis-(2-nitrobenzoic Acid) [DTNB] Cas 69-78-3 – used to characterize reactive thiol groups. 5,5′-Dithio-bis-(2-nitrobenzoic Acid) [DTNB] Cas 69-78-3 – used for measuring the free sulfhydryl content in proteins, peptides, and tissues. Also useful in photometric determination of thiols. A sulfhydryl reagent used to characterize reactive thiol groups. |
5,5′-Dithiobis-(2-nitrobenzoic acid)
| Catalogue No. | D 2355 |
| Synonyms | DTNB, 3-Carboxy-4-nitrophenyl disulfide, 6,6′-Dinitro-3,3′-dithiodibenzoic acid, Bis(3-carboxy-4-nitrophenyl) disulfide, DTNB, Ellman’s Reagent |
| Grade | extra pure |
| Mol. Formula | [-SC6H3(NO2)CO2H]2 |
| Mol. Weight | 396.35 |
| CAS | 69-78-3 |
| Size | 1gm | 5gm | 10gm | 25gm |
Hazard Symbols
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
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