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115-10-6

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Identification

Name
Dimethyl ether
CAS
115-10-6
Synonyms
DIMETHYL ETHER
DIMETHYL OXIDE
METHYL ETHER
METHYL OXIDE
(CH3)2O
demeond
Dymel A
dymela
Ether, dimethyl
Ether, methyl
ether,dimethyl
ether,dimethyl-
ether,methyl
Methane, oxybis-
Methane,oxybis-
oxybis(methane)
oxybis-methan
Oxybismethane
oxybis-Methane
RE170
EINECS(EC#)
204-065-8
Molecular Formula
C2H6O
MDL Number
MFCD00008494
Molecular Weight
46.07
MOL File
115-10-6.mol

Chemical Properties

Appearance
colourless gas
mp 
−141 °C(lit.)

bp 
−24.8 °C(lit.)

density 
1.617
vapor density 
1.62 (vs air)

vapor pressure 
>760 mm Hg ( 25 °C)

Fp 
-41°C
Stability:
Stable. Extremely flammable. Note low flash point. May form explosive mixtures with air. May form peroxides during prolonged storage.
Water Solubility 
soluble
Merck 
6071
CAS DataBase Reference
115-10-6(CAS DataBase Reference)
NIST Chemistry Reference
Dimethyl ether(115-10-6)
EPA Substance Registry System
115-10-6(EPA Substance)

Safety Data

Hazard Codes 
F+
Risk Statements 
R12:Extremely Flammable.
Safety Statements 
S9:Keep container in a well-ventilated place .
S16:Keep away from sources of ignition-No smoking .
S33:Take precautionary measures against static discharges .
RIDADR 
UN 1033 2.1

WGK Germany 
1

RTECS 
PM4780000


4.5-31
HazardClass 
2.1
Safety Profile
Slightly toxic by inhalation. Very dangerous fire hazard when exposed to heat, flame, or oxidzers. Dangerous explosion hazard when exposed to flame, sparks, etc. Violent reaction with AH3 and LiAlH2. Keep in closed container away from heat and open flame. To fight fire, stop flow of gas. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazardous Substances Data
115-10-6(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

General Description
DIMETHYL ETHER(115-10-6) is a colorless gas with a faint ethereal odor. DIMETHYL ETHER(115-10-6) is shipped as a liquefied gas under its vapor pressure. Contact with the liquid can cause frostbite. DIMETHYL ETHER(115-10-6) is easily ignited. Its vapors are heavier than air. Any leak can be either liquid or vapor. DIMETHYL ETHER(115-10-6) can asphyxiate by the displacement of air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket.
Reactivity Profile
DIMETHYL ETHER is a colorless, highly flammable gas (b. p.-24° C), slightly toxic. Very dangerous fire and explosion hazard when exposed to flame, sparks, heat or strong oxidizers. Violent reaction with aluminum hydride, lithium aluminum hydride. Upon standing and exposure to air (oxygen) tendency to form explosive peroxides. When ethers containing peroxides are heated (distilled) they can detonate [Lewis, 3rd ed., 1993, p. 854].
Air & Water Reactions
Highly flammable. Upon standing and exposure to air (oxygen) tendency to form explosive peroxides. When ethers containing peroxides are heated (distilled) they can detonate [Lewis, 3rd ed., 1993, p. 854].
Health Hazard
Inhalation produces some anesthesia (but less than that of ethyl ether), blurring of vision, headache, intoxication, loss of consciousness. Liquid or concentrated vapor irritates eyes. Contact of liquid with skin may cause frostbite.
Fire Hazard
Behavior in Fire: Containers may explode. Vapors are heavier than air and may travel long distance to a source of ignition and flash back.

Material Safety Data Sheet(MSDS)

msds information
methyl ether(115-10-6).msds

Spectrum Detail

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