Chemical Properties of CH3O[CH2CH2O]4CH3 (CAS 143-24-8)


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InChI Key
Molecular Weight1
Other Names
  • 2,5,8,11,14-Pentaoxapentadecane
  • Ansul Ether 181AT
  • Bis[2-(2-methoxyethoxy)ethyl] ether
  • CH3O[CH2CH2O]4CH3
  • Dimethoxytetraethylene glycol
  • Dimethoxytetraglycol
  • E 181 (ether)
  • Ether, bis[2-(2-methoxyethoxy)ethyl]
  • Glyme-5
  • NSC 65624
  • Nissan Uniox MM 200
  • Tetraethylene glycol dimethyl ether

Physical Properties

Property Value Unit Source
PAff 953.80 kJ/mol NIST
BasG 897.80 kJ/mol NIST
Δf -491.68 kJ/mol Joback Calculated Property
Δfgas -910.83 kJ/mol Joback Calculated Property
Δfus 27.60 kJ/mol Joback Calculated Property
Δvap 76.90 ± 2.60 kJ/mol NIST
logPoct/wat 0.329 Crippen Calculated Property
Pc 1952.68 kPa Joback Calculated Property
Tboil 549.00 K NIST
Tboil 548.15 K NIST
Tc 702.78 K Joback Calculated Property
Tfus 243.45 K NIST
Vc 0.685 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 449.87 J/mol×K 540.3 Joback Calculated Property
Cp,liquid 457.10 J/mol×K 298.15 NIST
η 0.0000904 Pa×s 540.3 Joback Calculated Property
ΔvapH 58.00 kJ/mol 486.0 NIST

Molecular Descriptors

Joback and Reid Groups
-O- (nonring) 5
-CH2- 8
-CH3 2

Similar Compounds

Ethanol, 2-[2-(2-methoxyethoxy)ethoxy]-. 2-[2-[2-[2-[2-[2-[2-[2-[2-(2-Methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol. 3,6,9,12-Tetraoxatetradecan-1-ol. 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-Methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol. Ethanol, 2,2'-[oxybis(2,1-ethanediyloxy)]bis-. Hexaethylene glycol monomethyl ether. 3,6,9,12,15,18,21,24,27,30-decaoxadotriacontane-1,32-diol. Ethane, 1,1'-oxybis[2-ethoxy-. 3,6,9,12,15,18,21,24-octaoxahexacosane-1,26-diol. 2,5,8,11-Tetraoxadodecane. 3,6,9,12,15,18,21,24,27-nonaoxanonacosane-1,29-diol. Ethanol, 2-[2-(2-ethoxyethoxy)ethoxy]-. 1,4,7,10,13,16-Hexaoxacyclooctadecane. 2,5,8,11,14,17-Hexaoxaoctadecane. Pentaethylene glycol, monoethyl ether.

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