2-Butanol

2-Butanol (CAS 78-92-2) is a secondary alcohol also known as sec-butanol, butan-2-ol, and CCS 301. It carries EC number 201-158-5 and molecular formula C4H10O. No E-code designation applies to this substance.

In personal care formulations, 2-butanol functions as a skin-conditioning solvent, solubilising active ingredients and improving spreadability on application. In polymer processing, it acts as a crosslinking agent and heat stabiliser, participating in reactions that build network structures and extend thermal resistance. It also serves as a fragrance and flavour carrier in cosmetic and food-grade applications.

2-Butanol is available in technical and high-purity grades, with food and cosmetic applications requiring material meeting FCC or equivalent quality standards. It falls under REACH regulation and requires a compliant Safety Data Sheet for EU trade. HS code 29051490 applies for import and export classification. Packaging formats typically include drums and IBCs.