CAS Registry Number

CAS 111-36-4 — Butyl isocyanate

Butyl isocyanate is an organic compound used primarily in the production of polyurethane foams, adhesives, and coatings. It serves as a key intermediate in polymer synthesis, offering versatility in chemical formulations. This colorless liquid has a boiling point of 132–134 °C and a density of 0.87 g/cm³ at 20 °C, with a vapor pressure of 2.4 kPa at 20 °C. It is soluble in organic solvents but reacts vigorously with water. Molekula supplies Butyl isocyanate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.