| CAS No. |
6192-52-5 |
| Place of Origin |
China (Mainland) |
| Purity |
99% min |
| Appearance |
White acicular crystals or yellowis... |
| Classification |
Other |
P-Toluene sulfonic acid Molecular Weight:190.2 Appearance: White acicular crystals or yellowish crystals.Property: Soluble in water, alcohol, ether and soluble in toluene slightly. Irritant to skin, eyes and mucous membrane.Specifications:Itemtech.GradePharmGradeRefineGradeReagentGrade Total acidity(C7H8O3S.H2O) %min. 93.0min 95.0min. 97.0min. 99.0Free Acid (H2SO4) %max. 3.0max. 2.0max. 0.7max. 0.1Moisture %max. 4.0max. 3.5max. 2.3max. 0.9Fe2 ppmmax. 50max. 30max. 20max.10Residue on ignition%-max. 0.2max. 0.2max. 0.02Melting Point ( )---105-107Solubility test in alcohol-passpasspassSolubility test in water-passpasspassIsomer ( o, m ) %max. 8.0max. 2.0max. 1.0max. 0.20