Product Name: HEXAMETHYLDISILAZANE ( HMDS) Molecular Formula: ( CH3) 3SiNHSi( CH3) 3 Molecular Weight: 161.39 Boiling Point: 126 Flash Point: 25 Density: 0.77g/ cm3 ( 25 ) Specification: Testing Item Standard Assay ( % ) 99.0 Min Refractive Index ( n 25D) 1.408 Appearance Colorless Transparent Liquid CAS No.: 999-97-3 UN: 2924 EINECS: 213-668-5 Hazardous Grade: 3 ( 8) Packing Type: II Usage: Used in special organic synthesis, used as alkylating agent, surface treatment and adhesive auxiliary. Packages: 150 kgs iron drum coated with PVF.