Introduction：Basic information about 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT CAS 525-05-3, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Basic information
| Product Name: | 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT |
| Synonyms: | LABOTEST-BB LT00454615;DISODIUM 1-NITROSO-2-NAPHTHOL-3,6-DISULFONATE;DISODIUM 3-HYDROXY-4-NITROSO-2,7-NAPHTHALENEDISULFONATE;NITROSO R SALTNITROSO R SALTNITROSO R SALT;3-HYDROXY-4-NITROSO-2,7-NAPHTHALENEDISULFONIC ACID DISODIUM SALT;1-Nitroso-2-naphthol-3,6-disul;1-Nitroso-2-naphthol-3,6-disulfonicacidsodiumsalt;1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT |
| CAS: | 525-05-3 |
| MF: | C10H8NNaO8S2 |
| MW: | 357.28 |
| EINECS: | 208-369-1 |
| Product Categories: | Intermediates of Dyes and Pigments |
| Mol File: | 525-05-3.mol |
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1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Chemical Properties
| Melting point | >300 °C(lit.) |
| solubility | Slightly soluble in methanol and ethanol. |
| form | Crystalline Powder |
| color | Yellow to orange |
| Water Solubility | almost transparency |
| Merck | 14,6644 |
| BRN | 3643930 |
| InChI | InChI=1S/C10H7NO8S2.Na.H/c12-10-8(21(17,18)19)4-5-3-6(20(14,15)16)1-2-7(5)9(10)11-13;;/h1-4,12H,(H,14,15,16)(H,17,18,19);; |
| InChIKey | YSJIUHZRNBXDKS-UHFFFAOYSA-N |
| SMILES | N(C1=C(C(S(O)(=O)=O)=CC2=CC(S(O)(=O)=O)=CC=C12)O)=O.[NaH] |
| CAS DataBase Reference | 525-05-3(CAS DataBase Reference) |
| EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt (525-05-3) |
Safety Information
| Hazard Codes | Xn |
| Risk Statements | 20/21/22 |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| RTECS | QJ6480000 |
| TSCA | TSCA listed |
| HS Code | 29089990 |
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Usage And Synthesis
| Chemical Properties | YELLOWISH-ORANGE TO YELLOW-BROWN CRYST. POWDER |
| Uses | As a reagent for cobalt and potassium. |
| Uses | 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is the most sensitive determination of trace cobalt reagents used for determination of cobalt and potassium-sensitive reagents. |
| Purification Methods | Purify the salt by dissolution in aqueous alkali and precipitation by addition of HCl. The pKa is 7.13. [Oka & Miyamoto J Chem Soc Jpn (Pure Chem Sectn) 76 672 1955 (Chem Abstr 11882 1956I), Beilstein 11 IV 669.] |
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Preparation Products And Raw materials
| Raw materials | Sodium nitrite |
