Methanol Density Specific Weight Temperature Pressure

Reference data and engineering information about methanol density specific weight temperature pressure for thermodynamics applications.

methanoldensityspecificweightData Table

Overview

Engineering reference data for Methanol Density Specific Weight Temperature Pressure in thermodynamics.

Key Formulas

First Law

$\Delta U = Q - W$

Energy is conserved — heat added minus work done.

Ideal Gas Law

$PV = nRT$

Relates pressure, volume, and temperature of an ideal gas.

Carnot Efficiency

$\eta = 1 - T_C/T_H$

Maximum efficiency between two temperatures.

Variables

Symbol	Description	Unit
$U$	Internal energy	J
$Q$	Heat	J
$W$	Work	J
$P$	Pressure	Pa
$V$	Volume	m³
$T$	Temperature	K

Density and Specific Weight Data

Methanol (CH₃OH) has a boiling point of -0.8°C (30.5°F) at atmospheric pressure and a critical point at 513.38 K (240.23°C) and 82.2 bara (1191 psia). Below the boiling point, methanol exists as a liquid at atmospheric pressure.

The density of liquid methanol is nearly constant for all pressures up to 100 bara at 25°C. For most practical engineering applications, the density at equilibrium (saturation) pressure is sufficient.

Density and Specific Weight vs. Temperature (Equilibrium Pressure)

20 rows

Methanol density and specific weight at saturation (equilibrium) pressure
State	Temperature(°C)	Temperature(K)	Pressure(bara)	Density(mol/dm³)	Density(kg/m³)	Density(lb/ft³)	Specific Weight(N/m³)	Specific Weight(lbf/ft³)
Liquid at equilibrium	-97.54	175.61	0.00000186	28.23	904.5	56.47	8870	56.47
Liquid at equilibrium	-63.2	210	0.000198	27.16	870.3	54.33	8535	54.33
Liquid at equilibrium	-33.2	240	0.00363	26.25	841.1	52.51	8248	52.51
Liquid at equilibrium	-3.1	270	0.0332	25.36	812.5	50.72	7968	50.72
Liquid at equilibrium	26.9	300	0.187	24.48	784.5	48.97	7693	48.97
Liquid at equilibrium	56.9	330	0.745	23.59	755.8	47.18	7412	47.18
Liquid at equilibrium	86.9	360	2.3	22.64	725.3	45.28	7113	45.28
Liquid at equilibrium	117	390	5.86	21.57	691.1	43.15	6778	43.15
Liquid at equilibrium	147	420	12.9	20.32	650.9	40.63	6383	40.63
Liquid at equilibrium	177	450	25.4	18.74	600.5	37.49	5889	37.49
Liquid at equilibrium	207	480	45.7	16.55	530.4	33.11	5201	33.11
Critical point	240.23	513.38	82.2	8.785	281.5	17.57	2760	17.57
Gas at equilibrium	-3.1	270	0.0332	0.0015	0.04793	0.00299	0.47	0.00299
Gas at equilibrium	26.9	300	0.187	0.00768	0.2462	0.01537	2.415	0.01537
Gas at equilibrium	56.9	330	0.745	0.02844	0.9112	0.05688	8.935	0.05688
Gas at equilibrium	86.9	360	2.3	0.08327	2.668	0.1666	26.16	0.1665
Gas at equilibrium	117	390	5.86	0.2067	6.624	0.4135	64.96	0.4135
Gas at equilibrium	147	420	12.9	0.4607	14.76	0.9215	144.8	0.9215
Gas at equilibrium	177	450	25.4	0.9622	30.83	1.925	302.3	1.925
Gas at equilibrium	207	480	45.7	1.91	61.2	3.821	600.2	3.821

Source: engineeringtoolbox.com

Density at Elevated Pressures

17 rows

Methanol liquid density at elevated pressures
State	Temperature(°C)	Pressure(bara)	Density(kg/m³)	Density(lb/ft³)
Liquid	-73.2	1	880.3	54.95
Liquid	26.9	1	784.5	48.98
Liquid	64.15	1	748.6	46.74
Liquid	-73.2	10	880.8	54.99
Liquid	26.9	10	785.4	49.03
Liquid	127	10	679	42.39
Liquid	-73.2	50	882.7	55.1
Liquid	26.9	50	788.8	49.24
Liquid	127	50	685.8	42.81
Liquid	227	50	504	31.46
Liquid	-73.2	100	884.6	55.22
Liquid	26.9	100	792.5	49.47
Liquid	127	100	694	43.32
Liquid	227	100	527.5	32.93
Liquid	26.9	250	801.3	50.02
Liquid	127	250	711.9	44.44
Liquid	227	250	571.5	35.67

Methanol Density Specific Weight Temperature Pressure

Overview

Key Formulas

First Law

Ideal Gas Law

Heat Transfer

Carnot Efficiency

Variables

Density and Specific Weight Data

Methanol Phase Behavior

Density and Specific Weight vs. Temperature (Equilibrium Pressure)

Density at Elevated Pressures

Unit Conversion Factors

Interactive Charts

Methanol density 1 bara C

Methanol density 1 bara F

References