Specification: Testing Item Standard Assay (%) 99.0 Min Refractive Index (n 25D) 1.389 Appearance Colorless Transparent Liquid HS Code: 2931000029 CAS No.: 75-77-4 EINECS: 200-900-5 UN No.: 1298 Hazardous Grade: 38 Packing Type: II Usage: Used in special organic synthesis, used as alkylating agent, surface treatment and adhesive auxiliary. packed in 170 kgs iron drum or by ISO Tanks.