2,2'-Dinitro-5,-Dithiobenzoic Acid 1Grm
2,2'-Dinitro-5,5'-dithiodibenzoic acid for biochemistry. CAS 69-78-3, molar mass 396.35 g/mol.
Manufacturer: Merck
Catalog ID: 103291.0001
Stock: In Stock
Description
| Catalogue Number | 103291 |
| Synonyms | 5,5'-Dithiobis(2-nitrobenzoic acid), DTNB, Ellmans' reagent |
Product Information
| CAS number | 69-78-3 |
| EC number | 200-714-4 |
| Hill Formula | C₁₄H₈N₂O₈S₂ |
| Molar Mass | 396.35 g/mol |
| HS Code | 2930 90 98 |
Applications
| Application | 2,2'-Dinitro-5,5'-dithiodibenzoic acid for biochemistry. CAS 69-78-3, molar mass 396.35 g/mol. |
Physicochemical Information
| Melting Point | 240 - 244 °C |
| Bulk density | 290 kg/m3 |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Assay (acidimetric) | ≥ 99 % |
| Identity (IR-spectrum) | passes test |
| Melting point | 240 - 244 °C |
| Spec. Absorptivity A 1%/1cm (307 nm; 0.001 %; methanol) | 330 - 370 |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.001 % |
| TLC-Test | passes test |
| Sulfated ash (600 °C) | ≤ 0.1 % |
| Water (according to Karl Fischer) | ≤ 0.5 % |
