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Specification
Trade Name: Tosyl Isocyanate
CAS No.: 4083-64-1
p-Toluenesulfonyl isocyanate is a colorless transparent or light
yellow liquid. It has a boiling point of 144°C/1.3 kPa, a
refractive index of 1.5340, and a flash point of 110°C. It is
hygroscopic and has a lacrimatory effect. It is soluble in organic
solvents such as ethanol, dimethylformamide, etc, but has
relatively low solubility in water.
Application
p-Toluenesulfonyl isocyanate is an important reagent used in
organic synthesis for the preparation of various organic compounds.
It is mainly used as a reagent or starting material in organic
synthesis reactions. Additionally, it can serve as a catalyst and
protective group in synthetic chemistry and is commonly used as a
dehydrating agent in chemical production.
Properties
| Item | Specification |
| Purity (a/a) % | ≥98.0% |
| NCO Content | ≥20.89% |
| Color | ≤20 APHA |
| Soluble Chlorine | ≤0.1% |
| p-Toluenesulfonyl Chloride | ≤1.0% |
Packaging Specification
200kg/drum,20kg/drum, bulk packaging
Storage and Handling Precautions
p-Toluenesulfonyl isocyanate should be stored in a tightly sealed
container, away from fire sources and high-temperature
environments. It should be kept away from oxidants and acidic
substances. During handling, appropriate ventilation measures
should be taken to avoid inhalation or skin contact.
Shelf Life
From the date of production, under specified storage conditions,
the shelf life of p-toluenesulfonyl isocyanate is 1 year.