1-Ethynyl-1-cyclohexanol (CAS 78-27-3) Market Research Report 2025 '@about1-Ethynyl-1-cyclohexanol (ECH), also known as 1-ethynyl-cyclohexanol; 1-Ethynylcyclohexanol; (1-Hydroxycyclohexyl)ethyne; Ethynylcyclohexanol) is a chemical compound with the molecular formula C8H12O and molecular weight 124.18. 1-Ethynyl-1- ...