5-(Hydroxyimino)-6-oxo-5,6-dihydronaphthalene-2-sulfonic acid

Base Information

• Chemical Name: 5-(Hydroxyimino)-6-oxo-5,6-dihydronaphthalene-2-sulfonic acid
• CAS No.: 6345-59-1
• Molecular Formula: C10H7NO5S
• Molecular Weight: 253.2313
• NSC Number: 43563
• DSSTox Substance ID: DTXSID30276019
• Nikkaji Number: J28.920E,J358.824F
• Wikidata: Q27159349
• ChEMBL ID: CHEMBL1734539

Synonyms:6-hydroxy-5-nitrosonaphthalene-2-sulfonic acid;MLS002608562;6345-59-1;5-(hydroxyimino)-6-oxo-5,6-dihydronaphthalene-2-sulfonic acid;SMR001527309;NSC43563;naphthol green B free acid;6-hydroxy-5-nitroso-2-naphthalenesulfonic acid;cid_105671;SCHEMBL7823364;SCHEMBL8995419;CHEMBL1734539;BDBM94063;CHEBI:87074;DTXSID30276019;HMS3091G18;NSC-43563;1-nitroso-2-naphthol-6-sulfonic acid;6-hydroxy-5-nitroso-naphthalene-2-sulfonic acid;5-nitroso-6-oxidanyl-naphthalene-2-sulfonic acid;Q27159349

Chemical Property of 5-(Hydroxyimino)-6-oxo-5,6-dihydronaphthalene-2-sulfonic acid

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Density: 1.65g/cm³
• XLogP3: 1
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 1
• Exact Mass: 253.00449350
• Heavy Atom Count: 17
• Complexity: 390

Purity/Quality:

85.0-99.8% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)O

Technology Process of 5-(Hydroxyimino)-6-oxo-5,6-dihydronaphthalene-2-sulfonic acid

There total 3 articles about 5-(Hydroxyimino)-6-oxo-5,6-dihydronaphthalene-2-sulfonic acid 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:

→ 5-hydroxyimino-6-oxo-5,6-dihydro-naphthalene-2-sulfonic acid (6345-59-1)

Guidance literature:

With hydrogenchloride; water; sodium nitrite; die Loesung wird dann mit NH₃ uebersaettigt und mit BaCl₂ gefaellt;

Reference yield:

2-naphthol-6-sulfonic acid (93-01-6) → 5-hydroxyimino-6-oxo-5,6-dihydro-naphthalene-2-sulfonic acid (6345-59-1)

Guidance literature:

With hydrogenchloride; sodium nitrite;

Reference yield:

hydrogenchloride (7647-01-0,15364-23-5) + 2-naphthol-6-sulfonic acid (93-01-6) → 5-hydroxyimino-6-oxo-5,6-dihydro-naphthalene-2-sulfonic acid (6345-59-1)

Guidance literature:

upstream raw materials:

2-naphthol-6-sulfonic acid

hydrogenchloride

Downstream raw materials:

5-amino-6-hydroxy-2-naphthalenesulphonic acid

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