P-Toluene Sulfonic Acid 99%
1.character:
CAS NO : 104-15-4
Appearance :white needle crystal
Molecular Formula :C7H8O3S·H2O
Molecular Weight :190.2
HS CODE:29041000
2.Specification :
Item/Index | Industrial grade | Pharmaceutical grade | Refining grade | Reagent grade(chemical pure) |
Content(C7H8O3S·H2O) ≥% | 90.0 | 95.0 | 97.0 | 98.0 |
Free acid(H2SO4) ≤% | 3.0 | 2.0 | 0.7 | 0.1 |
Moisture(crystal water)≤% | 14 | 12.5 | 9.7 | 9.1 |
Iron(Fe++) ≤ppm | 50 | 30 | 20 | 10 |
Ignition residue ≤% | / | 0.2 | 0.2 | 0.02 |
Melting point(°C) | / | / | / | 105-107 |
3.Uses :Used in pharmaceutical and organic synthesis intermediate, dope, resin solidification agent and others
4.Packing :Net weight: 25kg
Service we can provide:
1.Mixed container,we can mix different items in one container.
2.Quality control,before shipment,free sample for test after shipment,keep sample for 3 years.
3.Prompt shipment with professional documents.
4.Packing as your request,with photo before shipment
any question, welcome here!
P-Toluene Sulfonic Acid 99%