... . : C7H22O2Si3 Heptamethyltrisiloxane 7-methy-3-siloxane 1. Chemical Name:1,1,1,3,5,5,5-7-methyl-3 siloxane, HMTS2. Molecular formula ... structure surface active agent, It can be widely used in pesticide assistant, coating assistant etc. 5. Packing and storage: (1) Packing: 150kgs/drum ... be sealed and kept in cool & ventilated place. 7-methy-3-siloxane