Physical Properties
Property
Value
Unit
Source
Δc H°gas
-1975.70 ± 0.75
kJ/mol
NIST
Δf G°
-235.62
kJ/mol
Joback Calculated Property
Δf H°gas
-348.20 ± 0.79
kJ/mol
NIST
Δfus H°
5.90
kJ/mol
Joback Calculated Property
Δvap H°
[28.89; 29.60]
kJ/mol
Δvap H°
29.60
kJ/mol
NIST
Δvap H°
28.89 ± 0.21
kJ/mol
NIST
IE
[9.70; 10.42]
eV
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
log 10 WS
[0.48; 0.48]
log 10 WS
0.48
Aq. Sol...
log 10 WS
0.48
Estimat...
log Poct/wat
0.237
Crippen Calculated Property
McVol
64.870
ml/mol
McGowan Calculated Property
Pc
3950.00 ± 70.92
kPa
NIST
ρc
356.88 ± 29.68
kg/m3
NIST
Inp
[500.00; 511.00]
Inp
500.00
NIST
Inp
511.00
NIST
Inp
508.00
NIST
Inp
508.00
NIST
Inp
505.00
NIST
Inp
505.00
NIST
I
740.00
NIST
S°gas
335.72 ± 0.62
J/mol×K
NIST
S°liquid
244.01
J/mol×K
NIST
Tboil
315.25
K
Vapor-L...
Tc
[480.60; 496.80]
K
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
Tfus
168.20
K
Aq. Sol...
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
[168.01; 168.03]
K
Ttriple
168.03 ± 0.05
K
NIST
Ttriple
168.01 ± 0.02
K
NIST
Vc
0.239
m3 /kmol
Joback Calculated Property
Temperature Dependent Properties
Property
Value
Unit
Temperature (K)
Source
Cp,gas
[107.46; 138.28]
J/mol×K
[312.88; 477.41]
Cp,gas
107.46
J/mol×K
312.88
Joback Calculated Property
Cp,gas
112.65
J/mol×K
340.30
Joback Calculated Property
Cp,gas
117.83
J/mol×K
367.72
Joback Calculated Property
Cp,gas
123.00
J/mol×K
395.15
Joback Calculated Property
Cp,gas
128.13
J/mol×K
422.57
Joback Calculated Property
Cp,gas
133.23
J/mol×K
449.99
Joback Calculated Property
Cp,gas
138.28
J/mol×K
477.41
Joback Calculated Property
Cp,liquid
[161.42; 163.60]
J/mol×K
[298.00; 298.15]
Cp,liquid
163.60
J/mol×K
298.00
NIST
Cp,liquid
161.42
J/mol×K
298.15
NIST
η
[0.0001420; 0.0012631]
Pa×s
[218.09; 383.16]
η
0.0012630
Pa×s
218.09
Density...
η
0.0012631
Pa×s
218.09
Density...
η
0.0010987
Pa×s
223.09
Density...
η
0.0010987
Pa×s
223.09
Density...
η
0.0009649
Pa×s
228.10
Density...
η
0.0009648
Pa×s
228.11
Density...
η
0.0008557
Pa×s
233.10
Density...
η
0.0008556
Pa×s
233.10
Density...
η
0.0007648
Pa×s
238.11
Density...
η
0.0007648
Pa×s
238.11
Density...
η
0.0006886
Pa×s
243.14
Density...
η
0.0006885
Pa×s
243.15
Density...
η
0.0006248
Pa×s
248.14
Density...
η
0.0006248
Pa×s
248.14
Density...
η
0.0005705
Pa×s
253.13
Density...
η
0.0005705
Pa×s
253.14
Density...
η
0.0005240
Pa×s
258.12
Density...
η
0.0005238
Pa×s
258.15
Density...
η
0.0004841
Pa×s
263.07
Density...
η
0.0004839
Pa×s
263.09
Density...
η
0.0004489
Pa×s
268.09
Density...
η
0.0004489
Pa×s
268.09
Density...
η
0.0004183
Pa×s
273.05
Density...
η
0.0004183
Pa×s
273.05
Density...
η
0.0003912
Pa×s
278.05
Density...
η
0.0003912
Pa×s
278.05
Density...
η
0.0003669
Pa×s
283.10
Density...
η
0.0003669
Pa×s
283.10
Density...
η
0.0003452
Pa×s
288.17
Density...
η
0.0003451
Pa×s
288.17
Density...
η
0.0003262
Pa×s
293.09
Density...
η
0.0003262
Pa×s
293.09
Density...
η
0.0003086
Pa×s
298.12
Density...
η
0.0003086
Pa×s
298.13
Density...
η
0.0002927
Pa×s
303.12
Density...
η
0.0002927
Pa×s
303.13
Density...
η
0.0002781
Pa×s
308.16
Density...
η
0.0002781
Pa×s
308.17
Density...
η
0.0002647
Pa×s
313.16
Density...
η
0.0002647
Pa×s
313.16
Density...
η
0.0002524
Pa×s
318.16
Density...
η
0.0002524
Pa×s
318.17
Density...
η
0.0002410
Pa×s
323.15
Density...
η
0.0002409
Pa×s
323.15
Density...
η
0.0002303
Pa×s
328.14
Density...
η
0.0002303
Pa×s
328.14
Density...
η
0.0002202
Pa×s
333.14
Density...
η
0.0002202
Pa×s
333.15
Density...
η
0.0002107
Pa×s
338.15
Density...
η
0.0002107
Pa×s
338.15
Density...
η
0.0002017
Pa×s
343.15
Density...
η
0.0002017
Pa×s
343.15
Density...
η
0.0001931
Pa×s
348.16
Density...
η
0.0001931
Pa×s
348.16
Density...
η
0.0001850
Pa×s
353.12
Density...
η
0.0001850
Pa×s
353.13
Density...
η
0.0001771
Pa×s
358.16
Density...
η
0.0001771
Pa×s
358.16
Density...
η
0.0001696
Pa×s
363.15
Density...
η
0.0001696
Pa×s
363.15
Density...
η
0.0001624
Pa×s
368.14
Density...
η
0.0001623
Pa×s
368.16
Density...
η
0.0001554
Pa×s
373.14
Density...
η
0.0001554
Pa×s
373.14
Density...
η
0.0001486
Pa×s
378.15
Density...
η
0.0001486
Pa×s
378.15
Density...
η
0.0001420
Pa×s
383.15
Density...
η
0.0001420
Pa×s
383.16
Density...
Δfus H
[8.33; 8.33]
kJ/mol
[168.00; 168.01]
Δfus H
8.33
kJ/mol
168.00
NIST
Δfus H
8.33
kJ/mol
168.00
NIST
Δfus H
8.33
kJ/mol
168.01
NIST
Δvap H
[28.89; 31.20]
kJ/mol
[290.50; 305.00]
Δvap H
30.10
kJ/mol
290.50
NIST
Δvap H
31.20
kJ/mol
294.50
NIST
Δvap H
29.80
kJ/mol
295.50
NIST
Δvap H
28.89
kJ/mol
298.15
NIST
Δvap H
30.30
kJ/mol
305.00
NIST
Pvap
[27.73; 935.48]
kPa
[283.13; 398.15]
Pvap
27.73
kPa
283.13
Vapor P...
Pvap
30.39
kPa
285.13
Vapor P...
Pvap
34.73
kPa
288.11
Vapor P...
Pvap
43.08
kPa
293.07
Vapor P...
Pvap
46.83
kPa
295.07
Vapor P...
Pvap
52.94
kPa
298.07
Vapor P...
Pvap
57.14
kPa
300.07
Vapor P...
Pvap
64.26
kPa
303.05
Vapor P...
Pvap
69.42
kPa
305.05
Vapor P...
Pvap
77.74
kPa
308.05
Vapor P...
Pvap
83.80
kPa
310.07
Vapor P...
Pvap
93.85
kPa
313.16
Vapor P...
Pvap
111.95
kPa
318.13
Vapor P...
Pvap
132.98
kPa
323.17
Vapor P...
Pvap
142.06
kPa
325.18
Vapor P...
Pvap
156.44
kPa
328.17
Vapor P...
Pvap
166.67
kPa
330.17
Vapor P...
Pvap
182.96
kPa
333.17
Vapor P...
Pvap
194.47
kPa
335.17
Vapor P...
Pvap
212.79
kPa
338.16
Vapor P...
Pvap
225.73
kPa
340.16
Vapor P...
Pvap
246.24
kPa
343.16
Vapor P...
Pvap
260.68
kPa
345.16
Vapor P...
Pvap
283.65
kPa
348.16
Vapor P...
Pvap
325.16
kPa
353.16
Vapor P...
Pvap
371.53
kPa
358.16
Vapor P...
Pvap
421.82
kPa
363.16
Vapor P...
Pvap
477.61
kPa
368.16
Vapor P...
Pvap
538.51
kPa
373.15
Vapor P...
Pvap
605.33
kPa
378.16
Vapor P...
Pvap
677.68
kPa
383.13
Vapor P...
Pvap
757.05
kPa
388.15
Vapor P...
Pvap
842.82
kPa
393.16
Vapor P...
Pvap
935.48
kPa
398.15
Vapor P...
ρl
[847.51; 848.59]
kg/m3
[298.15; 303.15]
ρl
847.51
kg/m3
298.15
Phase e...
ρl
847.51
kg/m3
298.15
Vapor-L...
ρl
848.59
kg/m3
303.15
Isobari...
Δfus S
49.59
J/mol×K
168.01
NIST
γ
[0.01; 0.03]
N/m
[238.07; 388.14]
γ
0.03
N/m
238.07
Surface...
γ
0.03
N/m
243.12
Surface...
γ
0.03
N/m
248.13
Surface...
γ
0.03
N/m
253.12
Surface...
γ
0.03
N/m
258.12
Surface...
γ
0.02
N/m
263.08
Surface...
γ
0.02
N/m
268.09
Surface...
γ
0.02
N/m
273.09
Surface...
γ
0.02
N/m
278.08
Surface...
γ
0.02
N/m
283.07
Surface...
γ
0.02
N/m
288.08
Surface...
γ
0.02
N/m
293.05
Surface...
γ
0.02
N/m
298.04
Surface...
γ
0.02
N/m
303.16
Surface...
γ
0.02
N/m
308.15
Surface...
γ
0.02
N/m
313.16
Surface...
γ
0.02
N/m
318.16
Surface...
γ
0.02
N/m
323.15
Surface...
γ
0.02
N/m
328.13
Surface...
γ
0.02
N/m
333.16
Surface...
γ
0.02
N/m
338.16
Surface...
γ
0.01
N/m
343.15
Surface...
γ
0.01
N/m
348.14
Surface...
γ
0.01
N/m
353.15
Surface...
γ
0.01
N/m
358.15
Surface...
γ
0.01
N/m
363.15
Surface...
γ
0.01
N/m
368.15
Surface...
γ
0.01
N/m
373.15
Surface...
γ
0.01
N/m
378.15
Surface...
γ
0.01
N/m
383.13
Surface...
γ
0.01
N/m
388.14
Surface...
Δvap S
96.90
J/mol×K
298.15
NIST
Datasets
Viscosity, Pa*s
Fixed
Measured
Temperature, K - Liquid
Pressure, kPa - Liquid
Viscosity, Pa*s - Liquid
243.15
100.00
0.0006
243.15
4400.00
0.0007
243.15
9420.00
0.0007
243.15
14450.00
0.0007
243.15
19440.00
0.0007
253.15
100.00
0.0005
253.15
4420.00
0.0006
253.15
9410.00
0.0006
253.15
14450.00
0.0006
253.15
19440.00
0.0006
263.15
100.00
0.0005
263.15
4440.00
0.0005
263.15
9440.00
0.0005
263.15
14470.00
0.0005
263.15
19470.00
0.0005
273.15
100.00
0.0004
273.15
4440.00
0.0004
273.15
9440.00
0.0004
273.15
14480.00
0.0005
273.15
19540.00
0.0005
283.15
100.00
0.0004
283.15
4450.00
0.0004
283.15
9430.00
0.0004
283.15
14490.00
0.0004
283.15
19550.00
0.0004
293.15
100.00
0.0003
293.15
4410.00
0.0003
293.15
9460.00
0.0004
293.15
14490.00
0.0004
293.15
19550.00
0.0004
303.15
100.00
0.0003
303.15
4450.00
0.0003
303.15
9450.00
0.0003
303.15
14490.00
0.0003
303.15
19550.00
0.0003
313.15
160.00
0.0003
313.15
4440.00
0.0003
313.15
9420.00
0.0003
313.15
14450.00
0.0003
313.15
19440.00
0.0003
323.15
190.00
0.0002
323.15
4390.00
0.0003
323.15
9420.00
0.0003
323.15
14460.00
0.0003
323.15
19490.00
0.0003
333.15
210.00
0.0002
333.15
4390.00
0.0002
333.15
9410.00
0.0002
333.15
14450.00
0.0003
333.15
19450.00
0.0003
343.15
280.00
0.0002
343.15
4430.00
0.0002
343.15
9430.00
0.0002
343.15
14460.00
0.0002
343.15
19460.00
0.0002
353.15
360.00
0.0002
353.15
4370.00
0.0002
353.15
9400.00
0.0002
353.15
14450.00
0.0002
353.15
19430.00
0.0002
363.15
430.00
0.0002
363.15
4400.00
0.0002
363.15
9410.00
0.0002
363.15
14450.00
0.0002
363.15
19460.00
0.0002
373.15
550.00
0.0002
373.15
4370.00
0.0002
373.15
9400.00
0.0002
373.15
14450.00
0.0002
373.15
19480.00
0.0002
Reference
Correlations
Property
Value
Unit
Temperature (K)
Source
Pvap
[1.93e-03; 3888.46]
kPa
[168.35; 480.60]
KDB Vap...
Equation ln(Pvp) = A + B/T + C*ln(T) + D*T^2 Coefficient A 6.23348e+01 Coefficient B -5.39408e+03 Coefficient C -7.16190e+00 Coefficient D 5.97290e-06 Temperature range, min. 168.35
Temperature range, max. 480.60
Pvap
1.93e-03
kPa
168.35
Calculated Property
Pvap
0.13
kPa
203.04
Calculated Property
Pvap
2.22
kPa
237.74
Calculated Property
Pvap
16.76
kPa
272.43
Calculated Property
Pvap
74.97
kPa
307.13
Calculated Property
Pvap
236.92
kPa
341.82
Calculated Property
Pvap
588.93
kPa
376.52
Calculated Property
Pvap
1235.20
kPa
411.21
Calculated Property
Pvap
2291.87
kPa
445.91
Calculated Property
Pvap
3888.46
kPa
480.60
Calculated Property
Similar Compounds
Find more compounds similar to Methylal .
Mixtures
Find more mixtures with Methylal .
Sources
KDB Pure (Korean Thermophysical Properties Databank)
KDB Vapor Pressure Data
Crippen Method
Density and Viscosity Measurements of Dimethoxymethane and 1,2-Dimethoxyethane from 243 K to 373 K up to 20 MPa
Phase equilibria for binary systems of octane boosters with 2,2,4-trimethylpentane
Temperature dependence of limiting activity coefficients and Henry s law constants of cyclic and open-chain ethers in water
Isobaric vapor-liquid equilibria for binary mixtures from methyl methanoate, dimethoxymethane and dimethyl carbonate at 101.33 kPa
Liquid-liquid equilibrium in binary and ternary mixtures containing formaldehyde, water, methanol, methylal, and poly(oxymethylene) dimethyl ethers
Extractive distillation of methylal/methanol mixture using ethylene glycol as entrainer
Liquid-liquid equilibria for ternary systems polyoxymethylene dimethyl ethers + para-xylene + water
Extraction of Low Concentration Aqueous Solution of Methylal: Liquid Liquid Equilibrium in Water + Methylal + (Cyclohexane and n-Heptane) Ternary Systems
Measurement and Thermodynamic Models for Ternary Liquid-Liquid Equilibrium Systems {Water + Polyoxymethylene Dimethyl Ethers +4-Methyl-2-pentanol} at Different Temperatures
Liquid-Liquid Equilibrium for Ternary Systems of Polyoxymethylene Dimethyl Ethers + o-Xylene + Water at 293.15 K
Salting Effect of Sodium Hydroxide and Sodium Formate on the Liquid-Liquid Equilibrium of Polyoxymethylene Dimethyl Ethers in Aqueous Solution
Experimental and Correlated Liquid-Liquid Equilibrium Data for Ternary Systems (Water + Poly(oxymethylene) Dimethyl Ethers + Toluene) at T = 293.15 and 303.15 K and p = 101.3 kPa
Vapor-Liquid Equilibria for the Binary Systems of Dimethoxymethane with Some Fuel Oxygenates
Density and Viscosity of Saturated Liquid Dimethoxymethane from (218.15 to 383.15) K
Vapor-Liquid Equilibria and Excess Enthalpies for Binary Systems of Dimethoxymethane with Hydrocarbons
Vapor Pressure of Dimethoxymethane and 1,1,1,3,3-Pentafluoropropane
Surface Tension of Dimethoxymethane and Methyl tert-Butyl Ether
Joback Method
KDB
Aqueous Solubility Prediction Method
Estimated Solubility Method
McGowan Method
NIST Webbook
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