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Search result for: dioxane

Table showing details for dioxane
Chemical	Category & User Codes	DG Class	DG PG	UN CAS No	Guidance notes
dioxane dioxan 1,4-dioxane* 1,4-dioxan	Tch 1 2 - - 5 - -	3 DHS CW Hazardous Chemical	II	1165 123-91-1	Highly toxic by all routes of exposure; possibly carcinogenic. 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. Small quantities of highly explosive peroxide form on standing when exposed to light and air; the peroxides are less volatile than the dioxane and concentrate on evaporation of the solvent, leaving a potentially explosive residue. Substitute tetrahydrofuran, which is a much safer alternative. Use water, alcohol or acetone as solvents for dilute solutions. 20 See also ETHERS.

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