Home > Name List By 4 > 4-methylbenzenesulfonic acid Taiwan

CAS No 104-15-4 , 4-methylbenzenesulfonic acid Search by region : Taiwan

  • Name: 4-methylbenzenesulfonic acid
  • Synonyms: P-TOLUENESULFONIC ACID;4-methylbenzenesulfonic acid; p-Toluenesulphonic acid; Benzenesulfonic acid; Tosic acid; 104-15-4; 4-Methylbenzenesulfonic acid; 4-Toluenesulfonic acid; 4-methyl-;
  • CAS Registry Number:
  • Transport: 25kgs
  • Flash Point: 41 ºC
  • Boiling Point: 116 ºC
  • Density: 1.07
  • Refractive index: 1.3825-1.3845
  • Safety Statements: R10;R34
  • Hazard Symbols: C: Corrosive;
  • Flash Point: 41 ºC
  • EINECS: 203-180-0
  • Molecular Weight: 172.20162
  • InchiKey: JOXIMZWYDAKGHI-UHFFFAOYSA-N
  • InChI: InChI=1S/C7H8O3S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3,(H,8,9,10)
  • Risk Statements: S23;S26;S45
  • Molecular Formula: C7H8O3S
  • Molecular Structure:CAS No:104-15-4 4-methylbenzenesulfonic acid

Select to

104-15-4 P-TolueneSulphonic Acid

  • Taiwan Royal-Point Enterprise Co., Ltd. [Manufacturers]
  • Tel: +886-(4)-23712812
  • Fax: +886-(4)-23713602
  • Address: No.57, Liou-Chuan East Rd., Sec.2, Taichung, Taichung,TaiwanTaiwan
Contact Supplier

Select to

References of 4-methylbenzenesulfonic acid
Title: p-Toluenesulfonic Acid
CAS Registry Number: 104-15-4
CAS Name: 4-Methylbenzenesulfonic acid
Synonyms: tosic acid
Molecular Formula: C7H8O3S
Molecular Weight: 172.20
Percent Composition: C 48.82%, H 4.68%, O 27.87%, S 18.62%
Line Formula: CH3C6H4SO3H
Literature References: Prepd by sulfonation of toluene with 96-100% H2SO4; when carried out at 75° the compn of the reaction product is 75% para-, 19% ortho- and 6% meta-toluenesulfonic acid. Convenient lab prepn: L. F. Fieser, Experiments in Organic Chemistry (Boston, 3rd ed., 1955) p 144. The separation of toluene from petroleum fractions can be accomplished by sulfonation with H2SO4 at 60°.
Properties: Monoclinic leaflets or prisms. Also reported as crystallizing with 1H2O or 4H2O. When anhydrous, mp 106-107°. Metastable form, mp 38°. bp20 140°. bp0.1 185-187°. Freely sol in water, about 67 g/100 ml. Sol in alc and ether.
Melting point: mp 106-107°; mp 38°
Boiling point: bp20 140°; bp0.1 185-187°
 
Derivative Type: Sodium salt
Molecular Formula: C7H7NaO3S
Molecular Weight: 194.18
Percent Composition: C 43.30%, H 3.63%, Na 11.84%, O 24.72%, S 16.51%
Properties: Orthorhombic plates, very sol in water.
 
CAUTION: Highly irritating to skin, mucous membranes.
Use: In dye chemistry; in manuf of oral antidiabetic drugs.