Acme synthetic chemicals is the manufacturer, supplier & also exporter of undecylenic acid as per ep/bp/usp. Undecylenic acid is also known as 10- undecenoic acid , hendecenoic acid which is classified under cas no. 112-38-9 Undecylenic acid, 10-undecenoic acid, hendecenoic acid ( cas no.112-38-9) is produced by cracking of castor oil under pressure. Undecylenic acid ( cas no.112-38-9) is a very versatile raw-material. Packed in 210kg hmhdpe plastic drum