2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt

Base Information

• Chemical Name: 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt
• CAS No.: 525-05-3
• Deprecated CAS: 140212-78-8,879660-49-8,879660-49-8
• Molecular Formula: C10H5NNa2O8S2
• Molecular Weight: 377.263
• Hs Code.: 29089990
• European Community (EC) Number: 208-369-1
• UNII: 8197875CWH
• DSSTox Substance ID: DTXSID7060172
• Wikidata: Q27269234
• Mol file: 525-05-3.mol

Synonyms:1-nitroso-2-naphthol-3,6-disulfonic acid disodium salt;1-nitroso-3,6-disulfonate;nitroso-R-salt

Chemical Property of 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt

Chemical Property:

• Appearance/Colour: yellowish-orange to yellow-brown cryst. powder
• Melting Point: >300 °C(lit.)
• PSA: 180.82000
• LogP: 2.91310
• Solubility.: Slightly soluble in methanol and ethanol.
• Water Solubility.: almost transparency
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 9
• Rotatable Bond Count: 0
• Exact Mass: 376.92519703
• Heavy Atom Count: 23
• Complexity: 577

Purity/Quality:

98%,99%, ^*data from raw suppliers

Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate >98.0%(T) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 20/21/22
• Safety Statements: 22-24/25

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Other Classes -> Other Organic Compounds
• Canonical SMILES: C1=CC2=C(C(=C(C=C2C=C1S(=O)(=O)[O-])S(=O)(=O)[O-])O)N=O.[Na+].[Na+]
• Uses: As a reagent for cobalt and potassium. 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.

Technology Process of 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt

There total 1 articles about 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt (135-51-3) → sodium 2-hydroxy-1-nitrosonaphtalene-3,6-disulphonate (525-05-3)

Guidance literature:

With hydrogenchloride; sodium nitrite; In sodium hydroxide; at 0 ℃;

Reference yield:

sodium 2-hydroxy-1-nitrosonaphtalene-3,6-disulphonate (525-05-3) + barium(II) chloride → Ba(2+)*4Na(1+)*2C10H4O8NS2(3-)*BaCl2*6H2O=Ba(C10H4O8NS2Na2)2*BaCl2*6H2O

Guidance literature:

In water; reaction of BaCl2-solution with an aq. solution of sodium salt of nitroso-R-acid forms Ca(C10H5O8NS2Na2)2*BaCl2*6H2O;;

upstream raw materials:

3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

Refernces