P-Toluene sulfonic acid
CAS : ( 104-15-4 )
Molecular formula : C7H8O3S·H2O
Molecular weight : 190.2
Property : white powder or needle-like crystal with hygroscopicity , easily soluble in water , soluble in ethanol and ether , slightly soluble in benzene and toluene . Boiling point is
140°C , flash point is 150°C .
Use : in the determination of acetyl and primary amines; in organic synthesis; as catalyst .
Spec. :
Assay : |
≥98% |
Melting point range : |
103-105°C |
Water solubility test : |
Qualified |
Solubility test in alcohol : |
Qualified |
Sulfate ( SO4 ) : |
<0.1% |
Residue on ignition : |
0.2% |
Packing : in cardboard drum,net weight is 25kg . |