| |
| Physical Properties | Metric | English | Comments |
|---|
| Density | 0.7914 g/cc
@Temperature 20.0 °C | 0.02859 lb/in³
@Temperature 68.0 °F |
Viscosity  | 0.544 cP
@Temperature 25.0 °C | 0.544 cP
@Temperature 77.0 °F |
| | 0.58 cP
@Temperature 20.0 °C | 0.58 cP
@Temperature 68.0 °F |
| Molecular Weight | 32.04 g/mol | 32.04 g/mol |
| Vapor Pressure | 0.1000 bar
@Temperature 15.2 °C | 75.00 torr
@Temperature 59.4 °F |
| | 0.130 bar
@Temperature 20.0 °C | 97.3 torr
@Temperature 68.0 °F |
| Surface Tension | 22.07 dynes/cm
@Temperature 25.0 °C | 22.07 dynes/cm
@Temperature 77.0 °F |
| | 22.3 dynes/cm
@Temperature 20.0 °C | 22.3 dynes/cm
@Temperature 68.0 °F |
| |
| Chemical Properties | Metric | English | Comments |
|---|
| Critical Pressure | 80.8400 bar | 60635.0 torr |
| Critical Temperature | 239.38 °C | 462.88 °F |
| Critical Density | 0.274 g/cc | 0.00990 lb/in³ |
| Critical Molar Volume | 117 cm³/mol | 7.14 in³/mol |
| |
| Electrical Properties | Metric | English | Comments |
|---|
| Dielectric Constant | 32.63 | 32.63 |
| |
| Thermal Properties | Metric | English | Comments |
|---|
| Heat of Fusion | 100.3 J/g | 43.17 BTU/lb |
| Heat of Vaporization | 1099 J/g | 472.7 BTU/lb |
| Specific Heat Capacity | 2.542 J/g-°C | 0.6076 BTU/lb-°F |
| | 1.367 J/g-°C
@Temperature 25.0 °C | 0.3267 BTU/lb-°F
@Temperature 77.0 °F |
| Thermal Conductivity | 0.200 W/m-K
@Temperature 25.0 °C | 1.39 BTU-in/hr-ft²-°F
@Temperature 77.0 °F |
| | 0.0262 W/m-K
@Pressure 0.100 MPa,
Temperature 127 °C | 0.182 BTU-in/hr-ft²-°F
@Pressure 14.5 psi,
Temperature 260 °F |
| | 0.0386 W/m-K
@Pressure 0.100 MPa,
Temperature 227 °C | 0.268 BTU-in/hr-ft²-°F
@Pressure 14.5 psi,
Temperature 440 °F |
| | 0.0530 W/m-K
@Pressure 0.100 MPa,
Temperature 327 °C | 0.368 BTU-in/hr-ft²-°F
@Pressure 14.5 psi,
Temperature 620 °F |
| Melting Point | -97.53 °C | -143.6 °F |
| Boiling Point | 64.6 °C
@Pressure 0.101 MPa | 148 °F
@Pressure 14.7 psi |
| |
| Optical Properties | Metric | English | Comments |
|---|
| Refractive Index | 1.3288
@Temperature 20.0 °C,
Wavelength 589.3 nm | 1.3288
@Temperature 68.0 °F,
Wavelength 589.3 nm |
| |
| Descriptive Properties |
|---|
| Antoine's Vapor Pressure A Parameter | 18.5875 |
| Antoine's Vapor Pressure B Parameter | 3626.55 |
| Antoine's Vapor Pressure C Parameter | -34.29 |
| Antoine's Vapor Pressure Formula | ln πp = A - B/(T+C) |
| CAS registry number (CARN) | 67-56-1 |
| Chemical Formula | CH4O |
| Critical Compressibility (Zc) | 0.224 |
| Dipole moment (p/C.m) | 5.671E-28 |
| Dynamic Viscosity Formula | log10 η=A(1/T-1/B) |
| Dynamic Viscosity Parameter A | 555.3 |
| Dynamic Viscosity Parameter B | 260.64 |
| Henry's Law Constant (atm m3/mol) | 4.45E-06 |
| Molar Heat Capacity (298K) | 43.812 J/mol-K |
| Molar Heat Capacity of Vapor a Parameter | 21.1376 |
| Molar Heat Capacity of Vapor b Parameter | 0.0709 |
| Molar Heat Capacity of Vapor c Parameter | 2.585E-05 |
| Molar Heat Capacity of Vapor d Parameter | -2.85E-08 |
| Molar Heat Capacity of Vapor Formula | Cp = a + bT + cT2 + dT3 |
| UN Number | 1230 |
| UV cut-off (nm) | 210 |
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