4-Ethyl-1-octyn-3-ol

4-Ethyl-1-octyn-3-ol (CAS 5877-42-9, EC 227-545-9) is a tertiary acetylenic alcohol, also referenced under the names Ethyloctynol and NSC 62119. It carries no assigned E-code and is classified within the alcohols and glycols chemical family.

In pharmaceutical formulation, 4-ethyl-1-octyn-3-ol functions as a solvent and carrier, solubilising active ingredients that resist dissolution in standard polar solvents. Its acetylenic alcohol structure contributes to selective solvation behaviour, making it relevant in the preparation of injectable or topical drug delivery systems where controlled solubility profiles are required.

This material is supplied as a clear liquid and is subject to REACH registration requirements for quantities placed on the European market. Procurement teams should confirm supplier SDS documentation and purity specifications prior to ordering. It is classified under HS code 2905299090 for customs and import purposes across EU member states.