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:
- A hardener and a catalyst in amino resins, phenol resins, epoxy resins, and woodenware paintings
- An intermediate in pesticides, dyes, medicines, and special plasticizers
- A furan resin hardener for the foundry industry
- An intermediate for the electroplating industry
- Printing paints, inks
Synthesis of acrylic resin, etc.