3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE

Base Information

• Chemical Name: 3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE
• CAS No.: 3789-75-1
• Molecular Formula: C23H17 N3 O2
• Molecular Weight: 367.407
• Hs Code.: 2927000090
• Mol file: 3789-75-1.mol

Synonyms:2-Naphthalenecarboxamide,3-hydroxy-N-phenyl-4-(phenylazo)- (9CI); 2-Naphthanilide, 3-hydroxy-4-(phenylazo)-(6CI,7CI,8CI); Bronze Red; Shanghai Bronze Red

Chemical Property of 3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE

Chemical Property:

• Melting Point: 204-205 °C
• Boiling Point: 535.2±45.0 °C(Predicted)
• PKA: 10.63±0.50(Predicted)
• PSA: 74.05000
• Density: 1.23±0.1 g/cm3(Predicted)
• LogP: 4.83010

Purity/Quality:

98% ^*data from raw suppliers

3-HYDROXY-4-PHENYLAZONAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE

There total 5 articles about 3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE 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: 94.9%

2,3-oxynaphthoic acid phenylamide (92-77-3) + benzene diazonium chloride (100-34-5) → 1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene (3789-75-1)

Guidance literature:

With sodium hydroxide; at 10 ℃; for 30h;

Reference yield:

2,3-oxynaphthoic acid phenylamide (92-77-3) → 1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene (3789-75-1)

Guidance literature:

Multi-step reaction with 2 steps

1: nitrobenzene; chlorosulfonic acid / 50 - 60 °C

2: in alkal. Loesung

With chlorosulfonic acid; nitrobenzene;

Reference yield:

benzenediazonium (2684-02-8) + 2,3-oxynaphthoic acid phenylamide (92-77-3) → 1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene (3789-75-1)

Guidance literature:

upstream raw materials:

benzenediazonium

2,3-oxynaphthoic acid phenylamide

2-hydroxy-3-phenylcarbamoyl-naphthalene-1-sulfonic acid

benzene diazonium chloride

Downstream raw materials:

1-phenylazo-2-hydroxy-3-naphtho-N-methylanilide

N-methyl-1-phenylazo-2-methoxy-3-naphthanilide

Refernces