o-Cresolsulfonic acid

Base Information

• Chemical Name: o-Cresolsulfonic acid
• CAS No.: 7134-04-5
• Molecular Formula: C7H8O4S
• Molecular Weight: 188.204
• Hs Code.: 2904100000
• Mol file: 7134-04-5.mol

Synonyms:m-Toluenesulfonicacid, 4-hydroxy- (7CI,8CI);2-Methyl-1-phenol-4-sulfonic acid;2-Methylphenol-4-sulfonic acid;3-Methyl-4-hydroxybenzenesulfonic acid;4-(o-Cresol)sulfonic acid;Benzenesulfonic acid,4-hydroxy-3-methyl-;

Chemical Property of o-Cresolsulfonic acid

Chemical Property:

• Refractive Index: 1.597
• PSA: 82.98000
• Density: 1.482 g/cm³
• LogP: 2.02810
• Storage Temp.: Inert atmosphere,Room Temperature

Purity/Quality:

99%, ^*data from raw suppliers

O-Cresol-4-sulfonicAcid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: o-Cresol-4-sulfonic Acid is dopant; harmful substance-free sulfur-containing aniline black for resin compound, aqueous dispersion, and solvent dispersion

Technology Process of o-Cresolsulfonic acid

There total 9 articles about o-Cresolsulfonic 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:

4-Hydroxy-3-methyl-benzenesulfonic acid 2,4-dinitro-phenyl ester → 2,4-Dinitrophenol (51-28-5) + 6-hydroxy-toluene-3-sulfonic acid (7134-04-5)

Guidance literature:

With water; at 60 ℃; Rate constant; μ = 1.0, pH 5.2-13.0;

DOI:10.1021/jo961024k

Reference yield:

ortho-cresol (95-48-7,77504-84-8) → 6-hydroxy-toluene-3-sulfonic acid (7134-04-5)

Guidance literature:

With sulfuric acid;

Reference yield:

ortho-cresol (95-48-7,77504-84-8) → 6-hydroxy-toluene-3-sulfonic acid (7134-04-5) + 2-hydroxy-toluene-3-sulfonic acid (4016-01-7)

Guidance literature:

With sulfur trioxide; In nitromethane; at 0 ℃; for 0.5h;

DOI:10.1002/recl.19881070606

upstream raw materials:

ortho-cresol

sulfuric acid

water

Downstream raw materials:

4,6-dichloro-2-methylphenol

5-chloro-6-hydroxy-toluene-3-sulfonic acid

2-methyl-4-chlorophenol

6-methyl-2,4-dinitrophenol

Refernces

• 1、 Cevasco, Giorgio,Thea, Sergio. "Structure-reactivity correlations in the dissociative hydrolysis of 2′,4′-dinitrophenyl 4-hydroxy-X-benzenesulfonates". . p. 6814 - 6817. Retrieved 2007/10/03.
• 2、 Cerfontain, Hans,Lambrechts, Hans J. A.,Schaasberg-Nienhuis, Zwaan R. H.,Coombes, Robert G.,Hadjigeorgiou, Panicos,Tucker, Geoffrey. "Aromatic Sulphonation. Part 91. The Sulphonation of Anisole, Phenol, Phenyl Methanesulphonate, Potassium Phenyl Sulphate, and a Series of Methyl-, Bromo-, and Chloro-substituted Anisoles and Phenols in Concentrated Aqueous Sulphuric Acid". . p. 659 - 668. Retrieved 2007/10/02.