Product Description 1,1,1,3,5,5,5-Heptamethyltrisiloxane Other Details Molecular Formula: C7H22O2Si3 Molecular Weight: 222.51 CAS Number: 1873-88-7 Minimum Purity: 0.97 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 10g Leadtime:20 Days Sizes 3: 50g Leadtime:20 Days