Products
| 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt | |
| Product name | 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt |
| Chinese name | 1-亚硝基-2-萘酚-3,6-二磺酸钠；4-亚硝基-3-羟基-2,7-萘二磺酸二钠；试钴铁灵；亚硝基R盐；亚硝基-R-盐；1-亚硝基-2-萘酚-3,6-二磺酸二钠水合物；1-亚硝基-2-萘酚-3,6-二磺酸二钠盐；亞硝R鹽；4-亚硝基-3-羟基-2,7-萘二磺酸二钠一水合物；1-亚硝基-2-萘酚-3,6-二磺酸二钠；1-亚硝基-2-羟基萘-3,6-二磺酸；1-亚硝基-2-萘酚-3,6-二磺酸二钠一 |
| English name | 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt |
| Molecular formula | C10H5NNa2O8S2 |
| Molecular weight | 377.26 |
| CAS No. | 525-05-3 |
| Product photo |  |
| Structure |  |
| chemical properties | Solubility in 100g water, cold for 2.5G, hot for 10g. Slightly soluble in methanol and ethanol. In which the solution and acidic solution are light yellow, the basic solution is orange yellow. |
| Appearance | Gold yellow crystal or crystalline powder |
| Melting point | >300°C |
| Content | >98% |
| Moisture | |
| Packing | 1kg，5kg，25kg |
The other explanation |
Purpose: This product is the most sensitive reagent for the determination of trace cobalt. |
