4-METHYL-3-SULFAMOYLBENZOIC ACID

Base Information

• Chemical Name: 4-METHYL-3-SULFAMOYLBENZOIC ACID
• CAS No.: 20532-05-2
• Molecular Formula: C8H8NO4S-
• Molecular Weight: 215.23
• Mol file: 20532-05-2.mol

Synonyms:2-Methyl-5-carboxy-benzolsulfonsaeureamid;4-methyl-3-sulfamoyl-benzoic acid;4-Methyl-3-sulfamoyl-benzoesaeure;

Chemical Property of 4-METHYL-3-SULFAMOYLBENZOIC ACID

Chemical Property:

• Vapor Pressure: 2.67E-10mmHg at 25°C
• Melting Point: 267-269 °C(Solv: water (7732-18-5))
• Boiling Point: 487°C at 760 mmHg
• PKA: 3.84±0.10(Predicted)
• Flash Point: 248.3°C
• PSA: 105.84000
• Density: 1.462g/cm³
• LogP: 2.12170

Purity/Quality:

97% ^*data from raw suppliers

4-methyl-3-sulfamoylbenzoicAcid ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xn
• Statements: 22-36

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-METHYL-3-SULFAMOYLBENZOIC ACID

There total 5 articles about 4-METHYL-3-SULFAMOYLBENZOIC 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: 90.0%

3-(chlorosulfonyl)-4-methylbenzoic acid (2548-29-0) → 4-methyl-3-sulfamoylbenzoic acid (20532-05-2)

Guidance literature:

With ammonia; In diethyl ether; water; at 0 ℃; for 2h;

Reference yield: 85.1%

p-Toluic acid (99-94-5) → 4-methyl-3-sulfamoylbenzoic acid (20532-05-2)

Guidance literature:

p-Toluic acid; With chlorosulfonic acid; at 120 - 140 ℃; for 8h;

With ammonium hydroxide; In tetrahydrofuran; at 0 - 50 ℃; for 0.5h;

DOI:10.1039/c6ob01555g

Reference yield:

→ 4-methyl-3-sulfamoylbenzoic acid (20532-05-2)

Guidance literature:

With chromic acid;

upstream raw materials:

3-(chlorosulfonyl)-4-methylbenzoic acid

p-Toluic acid

Downstream raw materials:

4-methyl-3-sulfamoyl-benzoyl chloride

2-hydroxyterephthalic acid

p-Toluic acid

3-Sulfamoyl-p-tolylsaeuremethylester

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