1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT

1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
  • CAS No.:525-05-3
Other grades of this product :
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
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
CAS DataBase Reference525-05-3(CAS DataBase Reference)
EPA Substance Registry System2,7-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 Yes
HS Code 29089990
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Usage And Synthesis
Chemical PropertiesYELLOWISH-ORANGE TO YELLOW-BROWN CRYST. POWDER
UsesAs a reagent for cobalt and potassium.
Uses1-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 MethodsPurify 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

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