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Butyl ethyl ether

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Butyl ethyl ether Basic information
Butyl ethyl ether Chemical Properties
  • Melting point:-124 °C
  • Boiling point:91-92 °C(lit.)
  • Density 0.75 g/mL at 25 °C(lit.)
  • vapor pressure 52 mm Hg ( 25 °C)
  • refractive index n20/D 1.382(lit.)
  • Flash point:22 °F
  • storage temp. Flammables area
  • solubility 3.8g/l
  • Specific Gravity0.750.7522 (20/20℃)
  • explosive limit0.8-18.5%(V)
  • Water Solubility Slightly soluble in water
  • BRN 1731323
  • Stability:Stable, but may form peroxides in storage if in contact with air. Highly flammable. Incompatible with oxidizing agents.
  • CAS DataBase Reference628-81-9(CAS DataBase Reference)
  • EPA Substance Registry SystemButane, 1-ethoxy- (628-81-9)
Safety Information
  • Hazard Codes F,Xn
  • Risk Statements 11-22
  • Safety Statements 16-23
  • RIDADR UN 1179 3/PG 2
  • WGK Germany 1
  • RTECS KN4725000
  • TSCA Yes
  • HazardClass 3
  • PackingGroup II
MSDS
Butyl ethyl ether Usage And Synthesis
  • Chemical Propertiescolourless liquid
  • Chemical PropertiesEthyl butyl ether is a colorless liquid
  • UsesExtraction solvent, inert reaction medium.
  • Synthesis Reference(s)The Journal of Organic Chemistry, 39, p. 3050, 1974 DOI: 10.1021/jo00934a027
  • General DescriptionA clear colorless liquid with an ethereal odor. Flash point 40°F. Less dense than water. Vapors heavier than air.
  • Air & Water ReactionsHighly flammable. Slightly soluble in water. Oxidizes readily in air to form unstable peroxides that may explode spontaneously [Bretherick 1979. p.151-154, 164]. A mixture of liquid air and diethyl ether exploded spontaneously [MCA Case History 616. 1960].
  • Reactivity ProfileEthers, such as Butyl ethyl ether, can act as bases. They form salts with strong acids and addition complexes with Lewis acids. The complex between diethyl ether and boron trifluoride is an example. Ethers may react violently with strong oxidizing agents. In other reactions, which typically involve the breaking of the carbon-oxygen bond, ethers are relatively inert.
  • HazardFlammable, dangerous fire risk.
  • Health HazardInhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control may cause pollution.
  • Fire HazardHIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
  • Safety ProfileModerately toxic by ingestion. A skin and eye irritant. A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. Keep away from heat and open flame. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also ETHERS.
  • Potential ExposureUsed as a solvent for extraction and in making other chemicals
  • ShippingUN1179 Ethyl butyl ether, Hazard Class: 3; Labels: 3-Flammable liquid.
  • Purification MethodsPurify by drying with CaSO4, by passage through a column of activated alumina (to remove peroxides), followed by prolonged refluxing with Na and then fractional distillation. [Beilstein 4 IV 1518.]
  • IncompatibilitiesMay form explosive mixture with air. Heat or prolonged storage may cause the formation of unstable peroxides. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, and epoxides. Attacks some plastics, rubber and coatings. May accumulate static electrical charges, and may cause ignition of its vapors.
  • Waste DisposalDissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal.
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