CAS# 556-67-2 Molecular formula: [(CH3)2SiO]nN=3-7 Description of danger: UN No. 1993. Package category No. III Product standard: Enterprise Standard Q/ZTA2-2007 Dimethylcyclosiloxane Appearance: colorless transparent oily liquid Dissolubility: insoluble in water, soluble in organic solvents such as benzene etc. Package, storage and transporation: it should be packed in 200L iron bucket and be stored in a shady, cool and wentilated storehouse.