TI is short for p-Toluenesulfonyl isocyanate.
CAS:  4083-64-1
Molecular formula: C8H7NO3S
Molecular weight: 197.21
Product name: p-Toluenesulfonyl isocyanate
English name:  4-methyl-Benzenesulfonyl isocyanate; 4-methyl-benzenesulfonyl isocyanat; p-toluenesulfonyl isocyanate; Tosyl iso-cyanate
Properties:   Colorless transparent liquid with low viscosity. Density is 1.295, boiling point is 144℃ (10 mmHg), refractive index is 1.533-1.535, flash point is 145℃.
Quality standard:
Appearance Colorless transparent liquid
Content ≥98%
Free acid  ≤0.5%
Color ≤50(APHA)
Uses:  doxazosin synthesis.
Storage and transportation:  keep in the original package, and the shelf life is one year. To protect from light and heat.