1-[(2-hydroxyl)phenylazo]-2-naphthol-6-sulfonic acid

Base Information

• Chemical Name: 1-[(2-hydroxyl)phenylazo]-2-naphthol-6-sulfonic acid
• CAS No.: 861048-50-2
• Molecular Formula: C₁₆H₁₂N₂O₅S
• Molecular Weight: 344.348
• Mol file: 861048-50-2.mol

Synonyms:1-[(2-hydroxyl)phenylazo]-2-naphthol-6-sulfonic acid

Chemical Property of 1-[(2-hydroxyl)phenylazo]-2-naphthol-6-sulfonic acid

Chemical Property:

Purity/Quality:

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MSDS Files:

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Technology Process of 1-[(2-hydroxyl)phenylazo]-2-naphthol-6-sulfonic acid

There total 1 articles about 1-[(2-hydroxyl)phenylazo]-2-naphthol-6-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: 65.5%

2-naphthol-6-sulfonic acid (93-01-6) + 2-amino-phenol (95-55-6) → 1-[(2-hydroxyl)phenylazo]-2-naphthol-6-sulfonic acid (861048-50-2)

Guidance literature:

2-amino-phenol; With hydrogenchloride; sodium nitrite; In water; at 0 - 5 ℃; for 0.25h;

2-naphthol-6-sulfonic acid; With sodium carbonate; sodium hydroxide; In water; at 0 - 20 ℃; for 1.5h; pH=10;

DOI:10.1007/s11164-012-0793-5

Reference yield:

oxovanadium(II) dihydroxide + 1-[(2-hydroxyl)phenylazo]-2-naphthol-6-sulfonic acid (861048-50-2) + ammonium chloride → ammonium oxo (2,2'-dihydroxo naphthyl-(1) azobenzene 6'-sulfonato) vanadate (IV) hydrate * 6.5 water

Guidance literature:

In water; boiling a solution of VO(OH)2 and the azo compound in H2O and evaporation to dryness; solvation in aq. NH3 and precipitation with NH4Cl;;

upstream raw materials:

2-naphthol-6-sulfonic acid

2-amino-phenol