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| CAS No.: | 557-17-5 |
|---|---|
| Name: | 1 -Methoxypropane |
| Article Data: | 39 |
| Molecular Structure: | |
|
|
|
| Formula: | C4H10 O |
| Molecular Weight: | 74.1228 |
| Synonyms: | Ether,methyl propyl (6CI,7CI,8CI); 1-Methoxypropane; Methyl n-propyl ether; Methylpropyl ether; Metopryl; Neothyl; Propyl methyl ether; a-Methoxypropane |
| EINECS: | 209-158-7 |
| Density: | 0.734 g/cm3 |
| Boiling Point: | 40.1 °C at 760 mmHg |
| Flash Point: | °C |
| Risk Codes: | 11 |
| Safety: | 16-33 |
| PSA: | 9.23000 |
| LogP: | 1.04280 |
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- 894852-01-87-BROMO-2,2-DIMETHYL-2H-PYRIDO[3,2-B][1,4]OXAZIN-3(4H)-ONE
- 186581-53-3, 908094-01-9
diazomethane
- 628-32-0
ethylpropylether
A
- 115-10-6
Dimethyl ether
B
- 540-67-0
ethyl methyl ether
C
- 557-17-5
methyl propyl ether
D
- 625-54-7
2-butyl ethyl ether
| Conditions | Yield |
|---|---|
| Product distribution; Mechanism; Ambient temperature; Irradiation; | A n/a B 2.4% C 4.4% D 93.2% |
- 628-32-0
ethylpropylether
- 14621-84-2
diazomethane-d2
A
- 115-10-6
Dimethyl ether
B
- 540-67-0
ethyl methyl ether
C
- 557-17-5
methyl propyl ether
D
- 625-54-7
2-butyl ethyl ether
| Conditions | Yield |
|---|---|
| Product distribution; Mechanism; Ambient temperature; Irradiation; deuterium distribution; | A n/a B 3.3% C 4.2% D 92.5% |
| Conditions | Yield |
|---|---|
| With hydrogen; palladium dichloride In N,N-dimethyl-formamide under 18751.5 Torr; for 0.666667h; Product distribution; Ambient temperature; various time; | A 2% B 68.4% |
| Stage #1: propargyl alcohol methyl ether With pyridine In toluene for 0.166667h; Glovebox; Stage #2: With hydrogen In toluene at 120℃; under 37503.8 Torr; for 12h; Glovebox; |
- 540-67-0
ethyl methyl ether
- 14621-84-2
diazomethane-d2
A
- 60-29-7
diethyl ether
B
- 598-53-8
isopropyl methyl ether
C
- 74-85-1
ethene
D
- 115-10-6
Dimethyl ether
E
- 557-17-5
methyl propyl ether
| Conditions | Yield |
|---|---|
| Product distribution; Mechanism; Ambient temperature; Irradiation; deuterium distribution; | A 29.7% B 17.9% C n/a D 37.2% E 15.2% |
- 186581-53-3, 908094-01-9
diazomethane
- 540-67-0
ethyl methyl ether
A
- 60-29-7
diethyl ether
B
- 598-53-8
isopropyl methyl ether
C
- 74-85-1
ethene
D
- 557-17-5
methyl propyl ether
| Conditions | Yield |
|---|---|
| Product distribution; Mechanism; Ambient temperature; Irradiation; | A 34% B 33.2% C n/a D 32.8% |
A
- 60-29-7
diethyl ether
B
- 74-85-1
ethene
C
- 115-10-6
Dimethyl ether
D
- 557-17-5
methyl propyl ether
E
- 420-56-4
trimethylsilyl fluoride
| Conditions | Yield |
|---|---|
| With cesium fluoride Product distribution; Mechanism; | A 1.2% B 3.9% C 2.9% D 0.02% E n/a F n/a |
| Conditions | Yield |
|---|---|
| With naphthalene-2-sulfonate at 122 - 126℃; | |
| With benzenesulfonic acid at 122 - 126℃; | |
| With naphthalene-2-sulfonate at 122 - 126℃; | |
| With benzenesulfonic acid at 122 - 126℃; |
| Conditions | Yield |
|---|---|
| With aluminum oxide; silica gel; zirconium(IV) oxide at 230℃; under 44130.5 Torr; |
- Total:16 Page 1 of 1 1
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Chemistry
Molecule structure of Methyl propyl ether (CAS NO.557-17-5) :
IUPAC Name: 1-methoxypropane
Molecular Weight: 74.1216 g/mol
Molecular Formula: C4H10O
Density: 0.734 g/cm3
Boiling Point: 40.1 °C at 760 mmHg
Index of Refraction: 1.36
Molar Refractivity: 22.32 cm3
Molar Volume: 100.9 cm3
Polarizability: 8.85×10-24 cm3
Surface Tension: 19 dyne/cm
Enthalpy of Vaporization: 26.75 kJ/mol
log P (octanol-water): 1.21
Water Solubility: 3.05E+04 mg/L
Vapor Pressure: 465 mm Hg
Henry's Law Constant: 1.49E-03 atm-m3/mole
Atmospheric OH Rate Constant: 1.13E-11 cm3/molecule-sec
XLogP3: 1.2
H-Bond Acceptor: 1
Rotatable Bond Count: 2
Exact Mass: 74.073165
MonoIsotopic Mass; 74.073165
Topological Polar Surface Area: 9.2
Heavy Atom Count: 5
Complexity: 13.1
Canonical SMILES: CCCOC
InChI: InChI=1S/C4H10O/c1-3-4-5-2/h3-4H2,1-2H3
InChIKey: VNKYTQGIUYNRMY-UHFFFAOYSA-N
EINECS: 209-158-7
Uses
Methyl propyl ether (CAS NO.557-17-5) is an ether once used as a general anaesthetic. It is also used as an alternative to diethyl ether because of its greater potency. Its use as an anaesthetic has since been supplanted by modern halogenated ethers which are much less flammable. Methyl propyl ether (CAS NO.557-17-5) also can be used as a solvent and to make other chemicals.
Toxicity Data With Reference
| 1. | ihl-mus LC50:259 mg/m3/15M | ANESAV Anesthesiology. 11 (1950),455. |
Safety Profile
A poison by inhalation. A flammable liquid. When heated to decomposition it emits acrid smoke and irritating vapors.
Risk Statements: 11
R11:Highly flammable.
Safety Statements: 16-33
S16:Keep away from sources of ignition.
S33:Take precautionary measures against static discharges.
RIDADR: 2612
RTECS: KO2280000
HazardClass: 3.1
PackingGroup: II
Standards and Recommendations
DOT Classification: 3; Label: Flammable Liquid
Specification
Methyl propyl ether (CAS NO.557-17-5) is also called 1-Methoxypropane ; Methyl n-propyl ether ; Metopryl
Neothyl ; alpha-Methoxy propane ; Propane, 1-methoxy- ; Propane, 1-methoxy- (9CI) . Methyl propyl ether (CAS NO.557-17-5) is a colorless volatile liquid with an ether-like odor. It is less dense than water and insoluble in water. Vapors heavier than air. May be narcotic by inhalation in high concentrations. Methyl propyl ether (CAS NO.557-17-5) is highly flammable. Oxidizes readily in air to form unstable peroxides that may explode spontaneously. A mixture of liquid air and diethyl ether exploded spontaneously. Ethers, such as Methyl propyl ether (CAS NO.557-17-5) , 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. 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. 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. 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.