123-91-1 1,4-Dioxane C4H8O2
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1,4-Dioxane Basic information |
1,4-Dioxane Basic information |
1,4-Dioxane Chemical Properties |
mp | 12 °C |
bp | 101 °C |
density | 1.500 g/mL at 25 °C |
vapor density | 3 (vs air) |
vapor pressure | 27 mm Hg ( 20 °C) |
refractive index |
n |
Fp | 54 °F |
storage temp. | Flammables area |
Water Solubility | SOLUBLE |
Sensitive | Hygroscopic |
Merck | 14,3300 |
BRN | 102551 |
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). |
CAS DataBase Reference | 123-91-1(CAS DataBase Reference) |
NIST Chemistry Reference | 1,4-Dioxane(123-91-1) |
EPA Substance Registry System | 1,4-Dioxane(123-91-1) |
Safety Information |
Hazard Codes | Xn,F,T |
Risk Statements | 45-46-11-36/38-48/23/24/25-65-66-40-36/37-19-41-37/38-39/23/24/25-23/24/25-48/20/22-38-22-36/37/38-10 |
Safety Statements | 9-16-36/37-46-45-53-7-62-26-24/25-23-S9-S46-S36/37-S16 |
RIDADR | UN 1993 3/PG 2 |
WGK Germany | 3 |
RTECS | JG8225000 |
F | 8 |
HazardClass | 3 |
PackingGroup | II |
Hazardous Substances Data | 123-91-1(Hazardous Substances Data) |
MSDS Information |
Provider | Language |
---|---|
SigmaAldrich | English |
ACROS | English |
ALFA | English |
1,4-Dioxane Usage And Synthesis |
Chemical Properties | colourless liquid |
Usage | Suitable for HPLC, spectrophotometry, environmental testing |
General Description | A clear colorless liquid with a faint ethereal odor. Flash point 55°F. Slightly denser than water and soluble in water. Vapors heavier than air. Susceptible to autooxidation to form peroxides. |
Air & Water Reactions | Highly flammable. When exposed to air 1,4-Dioxane undergoes autooxidation with formation of peroxides. In the distillation process peroxides will concentrate causing violent explosion. Water soluble. |
Reactivity Profile | 1,4-Dioxane is a flammable liquid; when exposed to air 1,4-Dioxane undergoes autooxidation with formation of peroxides. In the distillation process peroxides will concentrate causing violent explosion. The addition complex with sulfur trioxide (1:1) sometimes decomposes violently on storing at room temperature [Sisler, H. H. et al., Inorg. Synth., 1947, 2, p. 174]. Evaporation of boron trifluoride in aqueous 1,4-Dioxane with nitric acid led to an explosion upon addition of perchloric acid [MCA Guide, 1972, p. 312]. Explosive reaction with Raney nickel catalyst above 210° C {Mozingo R., Org. Synth., 1955, Coll. Vol. 3, p. 182]. |
Health Hazard | No significant irritation from brief exposure of skin; prolonged or repeated exposure may cause a rash or burn and absorption of toxic amounts leading to serious injury of liver and kidney. Chemical has poor warning properties; illness may be delayed. Moderately irritating to eyes; overexposure may cause corneal injury. |
1,4-Dioxane Preparation Products And Raw materials |
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