| Identification | More | [Name]
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT | [CAS]
525-05-3 | [Synonyms]
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
2-HYDROXY-1-NITROSO-3,6-NAPHTHALENEDISULFONIC ACID DISODIUM SALT
3-HYDROXY-4-NITROSO-2,7-NAPHTHALENEDISULFONIC ACID DISODIUM SALT
DISODIUM 1-NITROSO-2-NAPHTHOL-3,6-DISULFONATE
DISODIUM 3-HYDROXY-4-NITROSO-2,7-NAPHTHALENEDISULFONATE
LABOTEST-BB LT00454615
NITROSO-R-SALT
1-Nitroso-2-naphthol-3,6-disul
1-Nitroso-2-naphthol-3,6-disulfonicacidsodiumsalt
2,7-Naphthalenedisulfonicacid,3-hydroxy-4-nitroso-,disodiumsalt
7-naphthalenedisulfonicacid,3-hydroxy-4-nitroso-disodiumsalt
nitrosor
disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulphonate
Nitroso-RSalt>95%
Hydroxy-4-Nitroso-2,7NaphthalenedisulfonicAcidSodiumSalt-Nitroso-R-Salt
Nitroso-R-SaltGr
Nitroso-Rsalt,tech.85%
1-Nitroso-2-hydroxynaphthalene-3,6-disulfonic acid, sodium salt
1-Nitroso-2-naphthol-3,6-disulfonic acid, disodium salt hydrate, indicator grade, pure
1-nitroso-r-salt | [EINECS(EC#)]
208-369-1 | [Molecular Formula]
C10H5NNa2O8S2 | [MDL Number]
MFCD00003885 | [Molecular Weight]
377.26 | [MOL File]
525-05-3.mol |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . | [Safety Statements ]
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes . | [WGK Germany ]
3
| [RTECS ]
QJ6480000
| [TSCA ]
Yes | [HS Code ]
29089990 |
| Hazard Information | Back Directory | [Chemical Properties]
YELLOWISH-ORANGE TO YELLOW-BROWN CRYST. POWDER | [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. | [Uses]
As a reagent for cobalt and potassium. | [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.] |
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