1,4-Dioxane

1,4-Dioxane, often simply called dioxane because the 1,2 and 1,3 isomers of dioxane are rare, is a heterocyclic organic compound. It is a colorless liquid with a faint sweet odor similar to that of diethyl ether. It is classified as an ether. Dioxane is used mainly as a stabilizer for the solvent trichloroethane. It is an occasionally used solvent for a variety of practical applications as well as in the laboratory.

Properties
Appearance & Physical State: Colorless clear liquid
Density: 1.033
Melting Point: 12ºC
Boiling Point: 101ºC
Flash Point: 12ºC
Refractive Index: 1.4205-1.422
Water Solubility: SOLUBLE
Stability: Stable. Incompatible with oxidizing agents, oxygen, halogens, reducing agents, moisture. Highly flammable – note wide explosive range. May form explosive peroxides in storage (rate of formation increased by heating, evaporation or exposure to light).
Storage Condition: Flammables area
Vapor Pressure: 27 mm Hg ( 20 °C)
Vapor Density: 3 (vs air)
Safety Info
Symbol: GHS02
GHS07
GHS08
Sign: Danger
hazard declaration: H225; H319; H335; H351
hazard declaration add: May form explosive peroxides; Repeated exposure may cause skin dryness or cracking.
waring notice: P210; P261; P281; P305 + P351 + P338
RTECS: JG8225000
Hazard Class: 3
Safety Statements: S16-S36/37-S46-S9
HS Code: 2942000000
Packing Group: II
WGK Germany: 3
RIDADR: UN 1165
Risk Statements: R11; R19; R36/37; R40; R66
Hazard Codes: F