Intermediates

Propyl Isocyanate

  • CAS No.110-78-1
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity propyl isocyanate (CAS 110-78-1), a key building block for agrochemical intermediates such as iprodione. Supplied in industrial-grade quality with ≥98.0% assay.

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Product Technical Details

Product Overview

Propyl isocyanate (CAS 110-78-1) is a reactive aliphatic isocyanate widely employed as a chemical intermediate in the synthesis of specialty agrochemicals, including the fungicide iprodione (CAS 36734-19-7). This compound belongs to the isocyanate family and features high reactivity toward nucleophiles such as alcohols, amines, and water, making it valuable in controlled organic synthesis environments.

Specifications

Molecular FormulaC₄H₇NO
Molecular Weight85.10 g/mol
AppearanceYellow transparent liquid
Assay≥98.0%
Density0.908 g/mL at 25 °C
Boiling Point83–84 °C
Melting Point-30 °C
Flash Point32 °F (0 °C)
Vapor Pressure83.9 mmHg at 25 °C
Refractive Indexn²⁰/D 1.394

Industrial Applications

As a versatile intermediate, propyl isocyanate is primarily utilized in the agricultural chemical sector for the production of selective fungicides. Its role in constructing urea and carbamate functionalities enables efficient routes to bioactive molecules. Due to its moisture sensitivity and volatility, it must be handled under anhydrous conditions and stored in tightly sealed containers.

  • Serves as a critical precursor in the synthesis of iprodione and related phenylurea derivatives
  • Used in research-scale development of novel isocyanate-based polymers and coatings
  • Requires strict safety protocols due to its lachrymatory nature and potential respiratory sensitization

Packaging is typically provided in 200 kg steel drums with nitrogen padding to ensure stability. Custom packaging options are available upon request. Storage should occur in a cool, dry, and well-ventilated area away from heat sources and incompatible materials such as acids, bases, and oxidizing agents.