Search result for: silicon dioxide*

Table showing details for silicon dioxide*

Chemical	Category & User Codes	DG Class	DG PG	UN CAS No	Guidance notes
silicon dioxide*  silica  silica dust  silica gel  (sand quartz)	7-12 1 2 3 4 5 6 PS	NR CW   Hazardous Chemical	-	- 7699-41-4	Fine particles toxic by inhalation. Control the risk of inhaling fine particles by working in a fume cupboard, a well-ventilated area or use of approved respiratory protection. Silica gel desiccant can be regenerated by heating at 110C overnight in an oven. Silicosis can occur if exposed to industrial levels of silica dust. Sand and quartz may be used by students Years K-12 and treated as a non-hazardous substance. Q-Stores 33