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Tosyl isocyanate
Tosyl isocyanate or P-toluenesulphonyl isocyanate or PTSI 
CAS NO.4083-64-1 
M.F:C8H7NO3S 
MW:197.21 
Appearance:Colorless tran
The detailed specifications are as below:

 Appearance:Colorless transparent liquid

Purity:>98%

Color:30max

NCO:≥ 20.9%

Hydrogen chloride dissolved: ≤ 0.1%