4,4'-SULFONYLDIBENZOIC ACID

Base Information

• Chemical Name: 4,4'-SULFONYLDIBENZOIC ACID
• CAS No.: 2449-35-6
• Molecular Formula: C14H10 O6 S
• Molecular Weight: 306.296
• Hs Code.: 2917399090
• Mol file: 2449-35-6.mol

Synonyms:Benzoicacid, 4,4'-sulfonyldi- (6CI,7CI,8CI); 4,4'-Sulfonylbis[benzoic acid];4,4'-Sulfonyldibenzoic acid; Bis(4-carboxyphenyl) sulfone;Diphenylsulfone-4,4'-dicarboxylic acid; NSC 12451

Chemical Property of 4,4'-SULFONYLDIBENZOIC ACID

Chemical Property:

• Melting Point: >350 °C(lit.)
• Boiling Point: 590.1°Cat760mmHg
• PKA: 3.28±0.10(Predicted)
• Flash Point: 310.7°C
• PSA: 117.12000
• Density: 1.509g/cm³
• LogP: 2.99660
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility.: soluble in Dimethylformamide

Purity/Quality:

98%, ^*data from raw suppliers

4,4''-Sulfonylbis-benzoicAcid ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi
• Statements: 36/37
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Uses: 4,4'-Sulfonylbis-benzoic acid is used in the preparation of sulfone-containing polyesters by direct polycondensation of 4,4'-Sulfonylbis-benzoic acid. 4,4''-Sulfonylbis-benzoic acid is used in the preparation of sulfone-containing polyesters by direct polycondensation of 4,4''-Sulfonylbis-benzoic acid.

Technology Process of 4,4'-SULFONYLDIBENZOIC ACID

There total 12 articles about 4,4'-SULFONYLDIBENZOIC 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: 96.0%

4,4'-dicarbomethoxydiphenyl sulfone (3965-53-5) → bis(4-carboxyphenyl)sulfone (2449-35-6)

Guidance literature:

With potassium hydroxide; In ethanol; Reflux;

DOI:10.1002/pola.24172

Reference yield:

bis(4-methylphenyl) sulfone (599-66-6) → bis(4-carboxyphenyl)sulfone (2449-35-6)

Guidance literature:

With oxygen; cobalt(II) acetate; acetaldehyde; at 90 - 95 ℃; weiteres Reagens: Essigsaeure;

Reference yield:

carbon monoxide (201230-82-2) + 4,4'-dichlorodiphenyl sulphone (80-07-9,30605-10-8,85228-26-8,36313-66-3) → 4-(4-chloro-benzenesulfonyl)-benzoic acid (37940-65-1) + bis(4-carboxyphenyl)sulfone (2449-35-6)

Guidance literature:

With dicobalt octacarbonyl; potassium carbonate; methyloxirane; In methanol; at 60 ℃; for 4.5h; under 760 Torr; Title compound not separated from byproducts;

DOI:10.1007/s11167-005-0619-y

upstream raw materials:

bis(4-methylphenyl) sulfone

p-ethylphenyl p-tolyl sulfone

1-(4-(bromomethyl)phenylsulfonyl)-4-(bromomethyl)benzene

acetic acid

Downstream raw materials:

4,4'-sulfonyl-di-benzoic acid bis-(2-ethoxy-ethyl ester)

Refernces

• 1、 Boyarskii,Zhesko,Lanina. "Synthesis of aromatic carboxylic acids by carbonylation of aryl halides in the presence of epoxide-modified cobalt carbonyls as catalysts". . p. 1844 - 1848. Retrieved 2007/10/03.