Search result for: selenium dioxide*

Table showing details for selenium dioxide*

Chemical	Category & User Codes	DG Class	DG PG	UN CAS No	Guidance notes
selenium dioxide*	Tch 1 2 - - 5 - -	6.1 DHS CW   Hazardous Chemical	I	2630 7446-08-4	Highly toxic by all routes of exposure. Slightly volatile. Avoid inhaling vapour or fine particles. Use in a fume cupboard if practicable, otherwise use small quantities in a well-ventilated area. Use eye and skin protection when splashes are possible. Reacts with water to form selenious acid. Do not heat due to the possibility of toxic vapour and toxic particles being generated. 38 See also HEAVY METAL COMPOUNDS.