Synonym4-Methylbenzenesulfonyl isocyanate, p-Methylphenylsulfonyl isocyanate, 4-Methylphenylsulfonyl isocyanate, p-Toluenesulfonic acid, anhydride with isocyanic acid, p-Toluenesulfonyl isocyanate, 4-Toluenesulfonyl isocyanate, p-Tolylsulfonyl isocyanate, Tosyl isocyanate, p-Tosyl isocyanate, 4-Isocyanatosulphonyltoluene,, p-Toluensulfonyl isocyanate, Sulfone, isocyanato tolyl, p-Toluenesulphonyl isocyanate, p-Toluene sulfonyl isocyanate, PTSI, Tosyl isocyanate
Molecular weight197.21
InChI1S/C8H7NO3S/c1-7-2-4-8(5-3-7)13(11,12)9-6-10/h2-5H,1H3
Density1.291 g/mL at 25 °C
SensitiveMoisture Sensitive
Vapor Pressure1 mm Hg ( 100 °C)
BRN Number391287
Flash Point>230 °F
Refractive Index1.534
Water solubilityreacts
Boiling Point144 °C10 mm Hg
ColorClear colorless to yellow
FormLiquid
Melting Point5°C