Used primarily as an alkylating agent in organic synthesis, this compound facilitates the introduction of iodomethyl groups in pharmaceutical and agrochemical intermediates. Its reactivity makes it valuable in the preparation of esters and carbonates, particularly in reactions requiring mild conditions. It also serves as a reagent in the development of radiolabeled compounds for tracer studies due to the presence of iodine. Handling requires caution because of its potential lachrymatory and irritant properties.