p -toluenesulfonic acid/ PTSA/104-15-4 96-98% in chemicals
Specifications
CAS NO : 104-15-4
Byname :Tosic acid
Appearance :Colorless or white ,and needle-shaped crystal
Molecular Formula :C7H8O3S H2O
1.Characters
CAS NO : 104-15-4
Byname :Tosic acid
Appearance :Colorless or white ,and needle-shaped crystal
Molecular Formula : C7H8O3S·H2O
Molecular Weight :172
UN:2585
2.Specification :
|
Item |
Standard |
|
Total acidity(C7H8O3S.H2O)≥% |
98.0 |
|
Free acid(H2SO4)≤% |
0.5 |
|
Moisture ≤% |
2.5 |
|
Fe++≤ppm |
15 |
|
Residue on ignition ≤% |
0.1 |
3.Uses : used in electron,medication,pesticide,coloring matter intermediate;also in scour,plastics, coating and resin hardener etc.





