We are very happy to introduce you p-Toluenesulfonic acid which is our key product since from 2001 when our company established. TNJ Chemical is the top supplier of p-Toluenesulfonic acid 93% 95% 97% 99% from China for more than 15 year.If you want to know more,please contact sales22@tnjchem.com
p-Toluenesulfonic acid (Para-toluenesulfonic acid, PTSA or pTsOH) is an organic
compound with the formula CH3C6H4SO3H. It is a white solid that is soluble in water, alcohols, and other polar organic solvents. P-Toluene sulfonic acid PTSA is colorless or white ,and needle shaped crystal or crystallne powder. It dissolves in water, ethanol, aether, benzene, has medium toxicity, and is pungent to the skin, eye. Melting point: 38 °C(anhy.)103.5 °C(mono.)Solubility: water soluble,H2O: 0.1 g/mL, clear.
p-Toluenesulfonic acid PTSA divides into PTSA monohydrate CAS 6192-52-5 and PTSA anhydrous CAS 104-15-4.
Specification
Item | Tech | Pharma | Extracted | Reagent |
Total acidity %(sulfonic acid) | 93/95 | 95/97 | 97/99 | 98/99 |
Free acid, %≤ | 3 | 2/1 | 0.7/0.5 | 0.1 |
Water, %≤ | 4/2 | 3.5 | 2.3 | 1.9/0.9 |
Fe++, ppm≤ | 70/50 | 50/30 | 30/20 | 20/10 |
Ignition residue, %≤ | / | 0.2 | 0.2 | 0.02 |
Alcohol solution test | / | Qualified | Qualified | Qualified |
Water solution test | / | Qualified | Qualified | Qualified |
Color | White | White | White | White |
Application
Organic synthetic intermediate
- Explosive
- Resin
- Polyether
- Cosmetics
- Tobacco
- Food
Catalyst and Stabilizer
- Esterification
- Dewatering
- Alkylation
- De-alkyl
- Aggregation
Pharma industry
- Doxycycline
- Dipyridamole
- Naproxen
- Amoxicillin
Packing
25kg per bag, 20mt per 20"FCL without pallets