P-Toluenesulfonic acid

95對甲苯磺酸

95對甲苯磺酸

99對甲苯磺酸

99對甲苯磺酸

Chinese name: 對甲苯磺酸
CAS NO: 6192-52-5.  104-15-4
English name: p-Toluenesulfonic acid
Appearance: WHITE  CRYSTALLINE  POWDER
Molecular formula: C7H8SO3.H2O
Molecular weight: 190.22
Melting point: 103°C
Boiling point: 140°C
Solubility(Water): 75g/100ml
Density: 1.24
  UN2585
PARA-TOLUENESULFONIC  ACID 95%(TEC GRADE)
ITEM SPECIFICATION
APPEARANCE: WHITE  CRYSTALLINE  POWDER
PURITY: 95 %  MIN
MOISTURE: 5 %  MAX
SULFURIC  ACID: 5 %  MAX
SOLUTION(70 %): TRANSPARENT
Fe: 20 PPM  MAX
25  KGS  NET IN 1 PLY  P.E.2PLY  PAPER & 1 PLY WOVEN BAG.

PARA-TOLUENESULFONIC  ACID 99%(REFINED GRADE)
ITEM SPECIFICATION
APPEARANCE: COLORLESS  NEEDLE  CRYSTAL
PURITY: 99 %  MIN(DRY  ASE)
MOISTURE: 5 %  MAX
SULFURIC  ACID: 0.6 %  MAX
SOLUTION(70 %): TRANSPARENT
Fe: 10 PPM  MAX
25  KGS  NET IN 1 PLY  P.E.2PLY  PAPER & 1 PLY WOVEN BAG.

Application: PTSA

It is mainly used as an intermediate in medicine synthesis (e.g. doxycycline), pesticides, and dyes or an organic synthetic catalyst. It can also be used as an intermediate in dyes and an acid hardener in resins.

Application:

  1. A hardener and a catalyst in amino resins, phenol resins, epoxy resins, and woodenware paintings
  2. An intermediate in pesticides, dyes, medicines, and special plasticizers
  3. A furan resin hardener for the foundry industry
  4. An intermediate for the electroplating industry
  5. Printing paints, inks

Synthesis of acrylic resin, etc.