We are manfacturer of para toluene sulfonic acid, we can supply PTSA with high quality and low price.

Specifications(Monohydrate):

Item	Technical grade	Pharma grade	Refine grade	Reagent grade
Total acidity(C7H8O3S.H2O) more than %	92.0	95.0	97.0	99.0
Free acid(H2SO4)less than %	5.0	2.0	1.5	0.5
Moisture less than %	5.0	3.0	2.0	0.5
Metting point(°C)	92	98	102	104

para toluene sulfonic acid