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628-81-9

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Identification

Name
Butyl ethyl ether
CAS
628-81-9
Synonyms
1-BUTYL ETHYL ETHER
1-ETHOXYBUTANE
BUTYL ETHYL ETHER
Ethoxy butane
ETHYL BUTYL ETHER
ETHYL N-BUTYL ETHER
N-BUTYL ETHYL ETHER
1-ethoxy-butan
Butane,1-ethoxy-
Ether ethylbutylique
Ether, butyl ethyl
ether,butylethyl
Ether,ethylbutyl
etherethylbutylique
n-C4H9OC2H5
EBE
n-Butylthylether
n-Butylethylether,99%
EINECS(EC#)
211-055-7
Molecular Formula
C6H14O
MDL Number
MFCD00009455
Molecular Weight
102.17
MOL File
628-81-9.mol

Chemical Properties

Appearance
colourless liquid
Appearance
Ethyl butyl ether is a colorless liquid
mp 
-124 °C
bp 
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.)

Fp 
22 °F

storage temp. 
Flammables area
Stability:
Stable, but may form peroxides in storage if in contact with air. Highly flammable. Incompatible with oxidizing agents.
BRN 
1731323
Uses
Extraction solvent, inert reaction medium.
CAS DataBase Reference
628-81-9(CAS DataBase Reference)

Safety Data

Hazard Codes 
F,Xn
Risk Statements 
R11:Highly Flammable.
R22:Harmful if swallowed.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
RIDADR 
UN 1179 3/PG 2

WGK Germany 
1

RTECS 
KN4725000

HazardClass 
3
PackingGroup 
II
Safety Profile
Moderately 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.

Hazard Information

General Description
A clear colorless liquid with an ethereal odor. Flash point 40°F. Less dense than water. Vapors heavier than air.
Reactivity Profile
Ethers, such as ETHYL BUTYL ETHER(628-81-9), 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.
Air & Water Reactions
Highly 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].
Hazard
Flammable, dangerous fire risk.
Health Hazard
Inhalation 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.
Potential Exposure
Used as a solvent for extraction and in making other chemicals
Fire Hazard
HIGHLY 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.
First aid
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit
Shipping
UN1179 Ethyl butyl ether, Hazard Class: 3; Labels: 3-Flammable liquid.
Incompatibilities
May 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 Disposal
Dissolve 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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