-
Name
HC=COCH3
- EINECS
- CAS No. 6443-91-0
- Density 0.822g/cm3
- Solubility
- Melting Point
- Formula C3H4 O
- Boiling Point 50°C at 760 mmHg
- Molecular Weight 56.0642
- Flash Point
- Transport Information
- Appearance
- Safety Potentially explosive. A dangerous fire hazard when exposed to heat or flame. When heated to decomposition it emits acrid smoke and irritating fumes. See also ACETYLENE COMPOUNDS and ALKYNES.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms Ether,ethynyl methyl (6CI,7CI,8CI); 1-Methoxyethyne; Ethynyl methyl ether;Methoxyacetylene; Methoxyethyne
- PSA 9.23000
- LogP 0.22350
Methoxyacetylene Chemical Properties
Molecule structure of Methoxyacetylene (CAS NO.6443-91-0) :
IUPAC Name: methoxyethyne
Molecular Weight: 56.06326 g/mol
Molecular Formula: C3H4O
Density: 0.822 g/cm3
Boiling Point: 50 °C at 760 mmHg
Index of Refraction: 1.372
Molar Refractivity: 15.52 cm3
Molar Volume: 68.1 cm3
Polarizability: 6.15×10-24 cm3
Surface Tension: 23.5 dyne/cm
Enthalpy of Vaporization: 28.13 kJ/mol
Vapour Pressure: 305 mmHg at 25 °C
XLogP3-AA: 0.7
H-Bond Acceptor: 1
Rotatable Bond Count: 1
Exact Mass: 56.026215
MonoIsotopic Mass: 56.026215
Topological Polar Surface Area: 9.2
Heavy Atom Count: 4
Complexity: 38.5
Canonical SMILES: COC#C
InChI: InChI=1S/C3H4O/c1-3-4-2/h1H,2H3
InChIKey of Methoxyacetylene (CAS NO.6443-91-0) : QRNDDJXJUHBGSG-UHFFFAOYSA-N
Methoxyacetylene Safety Profile
Potentially explosive. A dangerous fire hazard when exposed to heat or flame. When heated to decomposition it emits acrid smoke and irritating fumes. See also ACETYLENE COMPOUNDS and ALKYNES.
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