1-NAPHTHOL-8-SULFONIC ACID SODIUM SALT

Base Information

• Chemical Name: 1-NAPHTHOL-8-SULFONIC ACID SODIUM SALT
• CAS No.: 20215-36-5
• Molecular Formula: C10H7NaO4S
• Molecular Weight: 246.219
• Hs Code.: 2908999090
• Mol file: 20215-36-5.mol

Synonyms:8-Hydroxy-naphthalin-1-sulfonsaeure;SodiuM 1-Naphthol-8-sulfonate;8-Hydroxy-1-naphthalenesulfonic Acid Sodium Salt;sodium 8-hydroxynaphthalene-1-sulfonate;1-NAPHTHOL-8-SULFONIC ACID SODIUM SALT;Sodium 8-hydroxynaphthalene-1-sulphonate;EINECS 243-605-7;

Chemical Property of 1-NAPHTHOL-8-SULFONIC ACID SODIUM SALT

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 85.81000
• Density: g/cm³
• LogP: 2.53030

Purity/Quality:

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

Sodium 1-Naphthol-8-sulfonate >96.0%(HPLC) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-NAPHTHOL-8-SULFONIC ACID SODIUM SALT

There total 1 articles about 1-NAPHTHOL-8-SULFONIC ACID SODIUM 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:

sodium 8-anilino-1-naphthalenesulfonate (34074-97-0) → sodium 8-hydroxynaphthalene-1-sulphonate (20215-36-5)

Guidance literature:

With sodium hydroxide; sodium hydrogensulfite; Yield given. Multistep reaction; 1) H₂O, 15 h, reflux, 2) reflux;

DOI:10.1016/S0040-4020(01)85611-8

Reference yield:

sodium 8-hydroxynaphthalene-1-sulphonate (20215-36-5) → Sodium; 8-hydroxy-7-nitroso-naphthalene-1-sulfonate

Guidance literature:

With hydrogenchloride; sodium nitrite; at 0 ℃; for 0.833333h;

DOI:10.1016/S0040-4020(01)85611-8

Reference yield:

sodium 8-hydroxynaphthalene-1-sulphonate (20215-36-5) → Sodium; 7-diazo-8-oxo-7,8-dihydro-naphthalene-1-sulfonate

Guidance literature:

Multi-step reaction with 3 steps

1: NaNO₂, conc. HCl / 0.83 h / 0 °C

2: 1) 40percent NaOH, Na₂S₂O₃, 2) conc. HCl / 1) 6 min

3: 35 percent / NaNO₂, CuCl₂ / H₂O / 0.5 h / 0 °C

With hydrogenchloride; sodium hydroxide; sodium thiosulfate; copper dichloride; sodium nitrite; In water;

DOI:10.1016/S0040-4020(01)85611-8

upstream raw materials:

sodium 8-anilino-1-naphthalenesulfonate

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