Synonyms Butyl 10- Undecenoate, Undecylenic Acid Butyl Ester, Butyl Ester of Undecylenic Acid CAS No. 109-42-2 Formula C15H28O2 Mol. Wt. 240.3 Purity 98% Min. by GC Appearance and color Buttery-Fatty, Winey Odor Acid Value 5 Max Saponifation Value 230-236 Packaging HMHDPE Drum of 45 KGS Net