3-Methyl-2-buten-1-yl thiocyanate(CAS: 1936-96-5)

3-Methyl-2-buten-1-yl thiocyanate is a colorless to light yellow liquid with a molecular weight of approximately 122.18 g/mol. It has a pungent odor and a slight solubility in water. This compound is highly reactive, particularly towards nucleophiles and can undergo substitution reactions. It is also prone to hydrolysis and can react with amines to form thiourea derivatives.

3-Methyl-2-buten-1-yl thiocyanate can be synthesized using a variety of methods, including the reaction of 3-methyl-2-buten-1-ol with hydrogen cyanide in the presence of a catalyst such as a strong acid. The reaction is conducted under controlled conditions to achieve high selectivity and yield. Other methods involve the use of thionyl chloride or other thiocyanating reagents.

3-Methyl-2-buten-1-yl thiocyanate finds applications in the pharmaceutical industry, where it is used as a precursor for synthesizing various organic compounds. It is also utilized in the polymer industry for the modification of polymers and in the production of sensors and semiconductors due to its reactivity.

When handling 3-Methyl-2-buten-1-yl thiocyanate, it is essential to wear appropriate personal protective equipment (PPE) including gloves, safety goggles, and a lab coat. Work in a well-ventilated area or a fume hood to minimize exposure. Spills should be cleaned up using absorbent materials and the area should be well-ventilated. Refer to the Safety Data Sheet (SDS) for detailed handling and disposal information.