Chemical Properties of Methane, dimethoxy- (CAS 109-87-5)

Methane, dimethoxy-

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InChI
InChI=1S/C3H8O2/c1-4-3-5-2/h3H2,1-2H3
InChI Key
NKDDWNXOKDWJAK-UHFFFAOYSA-N
Formula
C3H8O2
SMILES
COCOC
Molecular Weight1
76.09
CAS
109-87-5
Other Names
  • (CH3O)2CH2
  • 2,4-Dioxapentane
  • Anesthenyl
  • Bis(methoxy)methane
  • Dimethoxymethane
  • Dimethyl formal
  • Dimethylacetal formaldehyde
  • Formal
  • Formaldehyde dimethyl acetal
  • Formaldehyde methyl ketal
  • Methane, dimethoxy-
  • Methoxymethyl methyl ether
  • Methylene dimethyl ether
  • Methylene glycol dimethylether
  • Methylenedioxydimethane
  • Metylal
  • UN 1234
Sources

Physical Properties

Property Value Unit Source
Δcgas -1975.70 ± 0.75 kJ/mol NIST
Δf -235.62 kJ/mol Joback Calculated Property
Δfgas -348.20 ± 0.79 kJ/mol NIST
Δfus 5.90 kJ/mol Joback Calculated Property
Δvap 29.60 kJ/mol NIST
Δvap 28.89 ± 0.21 kJ/mol NIST
IE [9.70; 10.42] eV Show Hide
IE 9.70 eV NIST
IE 10.00 ± 0.05 eV NIST
IE 10.42 eV NIST
IE 10.20 eV NIST
IE 10.29 eV NIST
logPoct/wat 0.237 Crippen Calculated Property
Pc 3950.00 ± 70.92 kPa NIST
gas 335.72 ± 0.62 J/mol×K NIST
liquid 244.01 J/mol×K NIST
Tboil [314.70; 315.65] K Show Hide
Tboil Outlier 314.70 K NIST
Tboil 315.65 ± 1.00 K NIST
Tboil 315.50 ± 0.60 K NIST
Tboil 315.15 ± 1.00 K NIST
Tboil 315.45 ± 0.20 K NIST
Tboil 315.30 ± 0.50 K NIST
Tboil 315.15 ± 1.50 K NIST
Tboil 315.50 ± 0.40 K NIST
Tboil 315.45 ± 0.30 K NIST
Tboil 315.50 ± 0.60 K NIST
Tc 480.60 ± 1.00 K NIST
Tc 488.40 ± 6.00 K NIST
Tc 496.80 ± 10.00 K NIST
Tfus [168.00; 168.35] K Show Hide
Tfus 168.00 ± 2.00 K NIST
Tfus 168.35 ± 0.50 K NIST
Tfus 168.15 ± 0.40 K NIST
Tfus 168.35 ± 0.30 K NIST
Ttriple 168.03 ± 0.05 K NIST
Ttriple 168.01 ± 0.02 K NIST
Vc 0.239 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 107.46 J/mol×K 312.88 Joback Calculated Property
Cp,liquid 163.60 J/mol×K 298.0 NIST
Cp,liquid 161.42 J/mol×K 298.15 NIST
η 0.0001834 Pa×s 312.88 Joback Calculated Property
ΔfusH 8.33 kJ/mol 168.0 NIST
ΔfusH 8.33 kJ/mol 168.0 NIST
ΔfusH 8.33 kJ/mol 168.01 NIST
ΔvapH [28.89; 31.20] kJ/mol [290.50; 305.00] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 30.10 kJ/mol 290.5 NIST
ΔvapH 31.20 kJ/mol 294.5 NIST
ΔvapH 29.80 kJ/mol 295.5 NIST
ΔvapH 28.89 kJ/mol 298.15 NIST
ΔvapH 30.30 kJ/mol 305.0 NIST
ΔfusS 49.59 J/mol×K 168.01 NIST
ΔvapS 96.90 J/mol×K 298.15 NIST

Molecular Descriptors

Joback and Reid Groups
-O- (nonring) 2
-CH2- 1
-CH3 2

Similar Compounds

1,3,5-Trioxane. Methane, trimethoxy-. 1,3,5,7-Tetroxane. Diethoxymethane. Carbonic acid, dimethyl ester. o,o'-Dimethyl monothiocarbonate. Ethane, 1,1-dimethoxy-. 1,1-Dimethoxyethane. 1,3-Dioxolane. Dimethyl ether. Methyl radical, methoxy-. Tetramethoxymethane. Methane, chloromethoxy-. 3,5,7-Trioxanonane. Methane, methoxy-isopropoxy.

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.