- InChI
- InChI=1S/CH2O/c1-2/h1H2
- InChI Key
- WSFSSNUMVMOOMR-UHFFFAOYSA-N
- Formula
- CH2O
- SMILES
- C=O
- Molecular Weight1
- 30.03
- CAS
- 50-00-0
- Other Names
-
- Aldehyd mravenci
- Aldehyde formique
- Aldeide formica
- BFV
- CH2O
- Durine
- Fannoform
- Fordor
- Formaldehyd
- Formaldehyde, gas
- Formalin
- Formalin 40
- Formalin-loesungen
- Formalina
- Formaline
- Formalith
- Formic aldehyde
- Formol
- Fyde
- H2CO
- Hercules 37M6-8
- Karsan
- Lysoform
- Methaldehyde
- Methyl aldehyde
- Methylene oxide
- Morbicid
- NCI-C02799
- NSC 298885
- Oplossingen
- Oxomethane
- Oxymethylene
- Paraform
- Rcra waste number U122
- Superlysoform
- UN 1198
- UN 2209
- methanal
- ω : Acentric Factor.
- PAff : Proton affinity (kJ/mol).
- Tig : Autoignition Temperature (K).
- BasG : Gas basicity (kJ/mol).
- ΔcH°gas : Standard gas enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- μ : Dipole Moment (debye).
- η : Dynamic viscosity (Pa×s).
- Tflash,cc : Flash Point (Closed Cup Method) (K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°(+) ion : Enthalpy of formation of positive ion at standard conditions (kJ/mol).
- ΔfH(+) ion,0K : Enthalpy of formation of positive ion at 0K (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- NFPA Fire : NFPA Fire Rating.
- NFPA Health : NFPA Health Rating.
- NFPA Safety : NFPA Safety Rating.
- Pc : Critical Pressure (kPa).
- Ptriple : Triple Point Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- n0 : Refractive Index.
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- γ : Surface Tension (N/m).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- λgas : Gas thermal conductivity (W/m×K).
- λliquid : Liquid thermal conductivity (W/m×K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- UQi : UNIQUAC Qi Parameter.
- URi : UNIQUAC Ri Parameter.
- Vc : Critical Volume (m3/kmol).
- Zc : Critical Compressibility.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | [0.2484; 0.2818] |
|
|
| ω | 0.2484 | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value | |
| ω | 0.2818 | ChemSep v8.3 pure component data Compiled value | |
| ω | 0.2530 | KDB | |
| PAff | [711.50; 712.90] | kJ/mol |
|
| PAff | 712.90 | kJ/mol | NIST |
| PAff | 711.50 ± 2.10 | kJ/mol | NIST |
| Tig | 697.15 | K | NCMS SOLV-DB |
| BasG | [681.50; 683.30] | kJ/mol |
|
| BasG | 683.30 | kJ/mol | NIST |
| BasG | 681.50 ± 0.70 | kJ/mol | NIST |
| ΔcH°gas | [-570.78; -561.10] | kJ/mol |
|
| ΔcH°gas | -570.78 ± 0.42 | kJ/mol | NIST |
| ΔcH°gas | -561.10 | kJ/mol | NIST |
| μ | [2.30; 2.33] | debye |
|
| μ | 2.33 | debye | ChemSep v8.3 pure component data Compiled value |
| μ | 2.30 | debye | KDB |
| Tflash,cc | 358.15 | K | NCMS SOLV-DB |
| ΔfG° | [-110.00; -102.60] | kJ/mol |
|
| ΔfG° | -102.60 | kJ/mol | ChemSep v8.3 pure component data Compiled value |
| ΔfG° | -110.00 | kJ/mol | KDB |
| ΔfH°gas | [-116.00; -108.60] | kJ/mol |
|
| ΔfH°gas | -109.16 ± 0.11 | kJ/mol | Active Thermochemical Tables 1.112, gas-phase enthalpies of formation Compiled value |
| ΔfH°gas | -108.60 | kJ/mol | ChemSep v8.3 pure component data Compiled value |
| ΔfH°gas | -116.00 | kJ/mol | KDB |
| ΔfH°gas | -108.60 ± 0.46 | kJ/mol | NIST |
| ΔfH°(+) ion | 941.80 | kJ/mol | NIST |
| ΔfH(+) ion,0K | 946.00 | kJ/mol | NIST |
| ΔfusH° | 2.32 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 23.14 | kJ/mol | NCMS SOLV-DB |
| IE | [10.10; 10.90] | eV |
|
| IE | 10.88 ± 0.01 | eV | NIST |
| IE | 10.88 | eV | NIST |
| IE | 10.89 ± 0.00 | eV | NIST |
| IE | 10.86 | eV | NIST |
| IE | 10.88 | eV | NIST |
| IE | 10.90 | eV | NIST |
| IE | 10.88 ± 0.01 | eV | NIST |
| IE | 10.87 ± 0.00 | eV | NIST |
| IE | 10.87 ± 0.01 | eV | NIST |
| IE | 10.88 ± 0.02 | eV | NIST |
| IE | 10.87 ± 0.01 | eV | NIST |
| IE | 10.88 ± 0.02 | eV | NIST |
| IE | 10.88 | eV | NIST |
| IE | 10.86 ± 0.02 | eV | NIST |
| IE | 10.90 ± 0.03 | eV | NIST |
| IE | 10.87 ± 0.01 | eV | NIST |
| IE | 10.88 ± 0.01 | eV | NIST |
| IE | Outlier 10.10 | eV | NIST |
| logPoct/wat | 0.350 | NCMS SOLV-DB | |
| McVol | 26.520 | ml/mol | McGowan Calculated Property |
| NFPA Fire | [%!d(float64=4); %!d(float64=4)] |
|
|
| NFPA Fire | 4 | KDB | |
| NFPA Fire | 4 | NCMS SOLV-DB | |
| NFPA Health | [%!d(float64=2); %!d(float64=2)] |
|
|
| NFPA Health | 2 | KDB | |
| NFPA Health | 2 | NCMS SOLV-DB | |
| NFPA Safety | 0 | NCMS SOLV-DB | |
| Pc | [6586.12; 6590.00] | kPa |
|
| Pc | 6586.12 | kPa | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Pc | 6590.00 | kPa | ChemSep v8.3 pure component data Compiled value |
| Pc | 6590.00 | kPa | KDB |
| Ptriple | 0.89 | kPa | ChemSep v8.3 pure component data Compiled value |
| Inp | [229.00; 284.00] |
|
|
| Inp | 284.00 | NIST | |
| Inp | 229.00 | NIST | |
| Inp | 249.00 | NIST | |
| Inp | 273.00 | NIST | |
| Inp | 247.00 | NIST | |
| Inp | 247.00 | NIST | |
| Inp | 273.00 | NIST | |
| Inp | 284.00 | NIST | |
| Tboil | [252.15; 254.05] | K |
|
| Tboil | 254.05 | K | ChemSep v8.3 pure component data Compiled value |
| Tboil | 254.00 | K | KDB |
| Tboil | 252.15 | K | NCMS SOLV-DB |
| Tboil | 254.05 ± 0.50 | K | NIST |
| Tboil | 253.85 ± 0.20 | K | NIST |
| Tc | [408.00; 408.00] | K |
|
| Tc | 408.00 | K | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Tc | 408.00 | K | ChemSep v8.3 pure component data Compiled value |
| Tc | 408.00 | K | KDB |
| Tfus | [156.00; 181.15] | K |
|
| Tfus | 181.15 | K | Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value |
| Tfus | 181.15 | K | ChemSep v8.3 pure component data Compiled value |
| Tfus | 156.00 | K | KDB |
| Tfus | 181.15 | K | NCMS SOLV-DB |
| Tfus | 156.15 ± 1.00 | K | NIST |
| Tfus | 181.00 ± 4.00 | K | NIST |
| Tfus | 181.00 ± 6.00 | K | NIST |
| Ttriple | [155.10; 181.15] | K |
|
| Ttriple | 181.15 | K | ChemSep v8.3 pure component data Compiled value |
| Ttriple | 155.10 ± 0.30 | K | NIST |
| UQi | 0.78 | ChemSep v8.3 pure component data Compiled value | |
| URi | 0.92 | ChemSep v8.3 pure component data Compiled value | |
| Vc | [0.101; 0.115] | m3/kmol |
|
| Vc | 0.101 | m3/kmol | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Vc | 0.115 | m3/kmol | ChemSep v8.3 pure component data Compiled value |
| Vc | 0.115 | m3/kmol | KDB |
| Zc | [0.2230000; 0.2234020] |
|
|
| Zc | 0.2230000 | ChemSep v8.3 pure component data Compiled value | |
| Zc | 0.2234020 | KDB |
Cheméo can also estimate Log10 of Water solubility in mol/l for this compound, but it falls outside the models' validated range, so it is not shown here. Open the prediction tool to compute it on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔfusH | 7.53 | kJ/mol | 155.00 | NIST |
| ΔvapH | [23.01; 24.30] | kJ/mol | [212.00; 249.60] |
|
| ΔvapH | 24.20 | kJ/mol | 212.00 | NIST |
| ΔvapH | 24.30 | kJ/mol | 217.50 | NIST |
| ΔvapH | 23.01 | kJ/mol | 249.60 | KDB |
| Pvap | 437.83 | kPa | 293.15 | NCMS SOLV-DB |
| n0 | 1.37600 | 298.15 | NCMS SOLV-DB | |
| ρl | 815.00 | kg/m3 | 253.00 | KDB |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [33.22; 71.26] | J/mol×K | [50.00; 1500.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 3.32161e+01 | |||
| Coefficient B | -1.21262e+03 | |||
| Coefficient C | 5.05256e+00 | |||
| Coefficient D | -6.35943e-04 | |||
| Coefficient E | 1.54923e-07 | |||
| Temperature range, min. | 50.00 | |||
| Temperature range, max. | 1500.00 | |||
| Cp,gas | 33.22 | J/mol×K | 50.00 | Calculated Property |
| Cp,gas | 33.66 | J/mol×K | 211.11 | Calculated Property |
| Cp,gas | 38.07 | J/mol×K | 372.22 | Calculated Property |
| Cp,gas | 45.20 | J/mol×K | 533.33 | Calculated Property |
| Cp,gas | 52.12 | J/mol×K | 694.44 | Calculated Property |
| Cp,gas | 57.86 | J/mol×K | 855.56 | Calculated Property |
| Cp,gas | 62.39 | J/mol×K | 1016.67 | Calculated Property |
| Cp,gas | 65.97 | J/mol×K | 1177.78 | Calculated Property |
| Cp,gas | 68.84 | J/mol×K | 1338.89 | Calculated Property |
| Cp,gas | 71.26 | J/mol×K | 1500.00 | Calculated Property |
| Cp,gas | [35.41; 66.49] | J/mol×K | [298.00; 1200.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 5.19377e+00 | |||
| Coefficient B | 9.32325e+01 | |||
| Coefficient C | -4.48546e+01 | |||
| Coefficient D | 7.88228e+00 | |||
| Coefficient E | 5.51175e-01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-119.3591, G=202.4663, H=-115.8972; Data last reviewed in March, 1961 | |||
| Temperature range, min. | 298.00 | |||
| Temperature range, max. | 1200.00 | |||
| Cp,gas | 35.41 | J/mol×K | 298.00 | Calculated Property |
| Cp,gas | 39.18 | J/mol×K | 398.22 | Calculated Property |
| Cp,gas | 43.72 | J/mol×K | 498.44 | Calculated Property |
| Cp,gas | 48.16 | J/mol×K | 598.67 | Calculated Property |
| Cp,gas | 52.26 | J/mol×K | 698.89 | Calculated Property |
| Cp,gas | 55.94 | J/mol×K | 799.11 | Calculated Property |
| Cp,gas | 59.18 | J/mol×K | 899.33 | Calculated Property |
| Cp,gas | 61.99 | J/mol×K | 999.56 | Calculated Property |
| Cp,gas | 64.42 | J/mol×K | 1099.78 | Calculated Property |
| Cp,gas | 66.49 | J/mol×K | 1200.00 | Calculated Property |
| Cp,gas | [66.36; 82.27] | J/mol×K | [1200.00; 6000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 7.13527e+01 | |||
| Coefficient B | 6.17450e+00 | |||
| Coefficient C | -1.19109e+00 | |||
| Coefficient D | 7.95640e-02 | |||
| Coefficient E | -1.55892e+01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-170.6327, G=262.3180, H=-115.8972; Data last reviewed in March, 1961 | |||
| Temperature range, min. | 1200.00 | |||
| Temperature range, max. | 6000.00 | |||
| Cp,gas | 66.36 | J/mol×K | 1200.00 | Calculated Property |
| Cp,gas | 73.70 | J/mol×K | 1733.33 | Calculated Property |
| Cp,gas | 77.12 | J/mol×K | 2266.67 | Calculated Property |
| Cp,gas | 79.06 | J/mol×K | 2800.00 | Calculated Property |
| Cp,gas | 80.24 | J/mol×K | 3333.33 | Calculated Property |
| Cp,gas | 80.98 | J/mol×K | 3866.67 | Calculated Property |
| Cp,gas | 81.43 | J/mol×K | 4400.00 | Calculated Property |
| Cp,gas | 81.74 | J/mol×K | 4933.33 | Calculated Property |
| Cp,gas | 81.99 | J/mol×K | 5466.67 | Calculated Property |
| Cp,gas | 82.27 | J/mol×K | 6000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [67.63; 66.62] | J/mol×K | [204.00; 304.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,liquid in J/mol×K, T in K | |||
| Coefficient A | 6.27160e+01 | |||
| Coefficient B | -6.94530e+01 | |||
| Coefficient C | -3.62066e+00 | |||
| Coefficient D | 4.77820e-02 | |||
| Coefficient E | -1.00800e-04 | |||
| Temperature range, min. | 204.00 | |||
| Temperature range, max. | 304.00 | |||
| Cp,liquid | 67.63 | J/mol×K | 204.00 | Calculated Property |
| Cp,liquid | 68.03 | J/mol×K | 215.11 | Calculated Property |
| Cp,liquid | 68.32 | J/mol×K | 226.22 | Calculated Property |
| Cp,liquid | 68.47 | J/mol×K | 237.33 | Calculated Property |
| Cp,liquid | 68.47 | J/mol×K | 248.44 | Calculated Property |
| Cp,liquid | 68.32 | J/mol×K | 259.56 | Calculated Property |
| Cp,liquid | 68.03 | J/mol×K | 270.67 | Calculated Property |
| Cp,liquid | 67.64 | J/mol×K | 281.78 | Calculated Property |
| Cp,liquid | 67.15 | J/mol×K | 292.89 | Calculated Property |
| Cp,liquid | 66.62 | J/mol×K | 304.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| η | [0.0007327; 0.0001309] | Pa×s | [181.15; 308.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K | |||
| Coefficient A | -1.13030e+01 | |||
| Coefficient B | 7.53060e+02 | |||
| Coefficient C | -1.37330e-02 | |||
| Coefficient D | -4.68370e-08 | |||
| Coefficient E | 2.00000e+00 | |||
| Temperature range, min. | 181.15 | |||
| Temperature range, max. | 308.00 | |||
| η | 0.0007327 | Pa×s | 181.15 | Calculated Property |
| η | 0.0005420 | Pa×s | 195.24 | Calculated Property |
| η | 0.0004175 | Pa×s | 209.34 | Calculated Property |
| η | 0.0003324 | Pa×s | 223.43 | Calculated Property |
| η | 0.0002718 | Pa×s | 237.53 | Calculated Property |
| η | 0.0002273 | Pa×s | 251.62 | Calculated Property |
| η | 0.0001938 | Pa×s | 265.72 | Calculated Property |
| η | 0.0001678 | Pa×s | 279.81 | Calculated Property |
| η | 0.0001473 | Pa×s | 293.91 | Calculated Property |
| η | 0.0001309 | Pa×s | 308.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | [26.01; 10.78] | kJ/mol | [181.15; 396.06] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is ΔvapH in kJ/mol, T in K | |||
| Coefficient A | 3.09020e+01 | |||
| Coefficient B | 2.97220e-01 | |||
| Coefficient C | -5.12810e-02 | |||
| Coefficient D | 1.32340e-01 | |||
| Coefficient E | -8.06860e-02 | |||
| Critical temperature, Tc (K) | 4.08000e+02 | |||
| Temperature range, min. | 181.15 | |||
| Temperature range, max. | 396.06 | |||
| ΔvapH | 26.01 | kJ/mol | 181.15 | Calculated Property |
| ΔvapH | 25.16 | kJ/mol | 205.03 | Calculated Property |
| ΔvapH | 24.22 | kJ/mol | 228.91 | Calculated Property |
| ΔvapH | 23.19 | kJ/mol | 252.79 | Calculated Property |
| ΔvapH | 22.04 | kJ/mol | 276.67 | Calculated Property |
| ΔvapH | 20.74 | kJ/mol | 300.54 | Calculated Property |
| ΔvapH | 19.22 | kJ/mol | 324.42 | Calculated Property |
| ΔvapH | 17.37 | kJ/mol | 348.30 | Calculated Property |
| ΔvapH | 14.92 | kJ/mol | 372.18 | Calculated Property |
| ΔvapH | 10.78 | kJ/mol | 396.06 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.85; 347.51] | kPa | [181.15; 270.59] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.67699e+01 | |||
| Coefficient B | -2.74961e+03 | |||
| Coefficient C | -1.87730e+01 | |||
| Temperature range, min. | 181.15 | |||
| Temperature range, max. | 270.59 | |||
| Pvap | 0.85 | kPa | 181.15 | Calculated Property |
| Pvap | 2.25 | kPa | 191.09 | Calculated Property |
| Pvap | 5.38 | kPa | 201.03 | Calculated Property |
| Pvap | 11.74 | kPa | 210.96 | Calculated Property |
| Pvap | 23.73 | kPa | 220.90 | Calculated Property |
| Pvap | 44.88 | kPa | 230.84 | Calculated Property |
| Pvap | 80.19 | kPa | 240.78 | Calculated Property |
| Pvap | 136.34 | kPa | 250.71 | Calculated Property |
| Pvap | 221.89 | kPa | 260.65 | Calculated Property |
| Pvap | 347.51 | kPa | 270.59 | Calculated Property |
| Pvap | [0.13; 4885.51] | kPa | [163.70; 408.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is Pvap in kPa, T in K | |||
| Coefficient A | 5.51715e+01 | |||
| Coefficient B | -4.20768e+03 | |||
| Coefficient C | -6.20229e+00 | |||
| Coefficient D | 5.52123e-06 | |||
| Coefficient E | 2.00000e+00 | |||
| Temperature range, min. | 163.70 | |||
| Temperature range, max. | 408.00 | |||
| Pvap | 0.13 | kPa | 163.70 | Calculated Property |
| Pvap | 2.13 | kPa | 190.84 | Calculated Property |
| Pvap | 15.42 | kPa | 217.99 | Calculated Property |
| Pvap | 67.67 | kPa | 245.13 | Calculated Property |
| Pvap | 211.04 | kPa | 272.28 | Calculated Property |
| Pvap | 517.64 | kPa | 299.42 | Calculated Property |
| Pvap | 1067.35 | kPa | 326.57 | Calculated Property |
| Pvap | 1936.13 | kPa | 353.71 | Calculated Property |
| Pvap | 3190.03 | kPa | 380.86 | Calculated Property |
| Pvap | 4885.51 | kPa | 408.00 | Calculated Property |
| Pvap | [0.13; 87.59] | kPa | [163.76; 250.86] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.44643e+01 | |||
| Coefficient B | -2.20917e+03 | |||
| Coefficient C | -2.97580e+01 | |||
| Reference | Spence and Wild, 1935, 3 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 163.76 | |||
| Temperature range, max. | 250.86 | |||
| Pvap | 0.13 | kPa | 163.76 | Calculated Property |
| Pvap | 0.40 | kPa | 173.44 | Calculated Property |
| Pvap | 1.06 | kPa | 183.12 | Calculated Property |
| Pvap | 2.49 | kPa | 192.79 | Calculated Property |
| Pvap | 5.33 | kPa | 202.47 | Calculated Property |
| Pvap | 10.51 | kPa | 212.15 | Calculated Property |
| Pvap | 19.34 | kPa | 221.83 | Calculated Property |
| Pvap | 33.58 | kPa | 231.50 | Calculated Property |
| Pvap | 55.44 | kPa | 241.18 | Calculated Property |
| Pvap | 87.59 | kPa | 250.86 | Calculated Property |
| Pvap | [0.13; 87.59] | kPa | [163.76; 250.86] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.44643e+01 | |||
| Coefficient B | -2.20917e+03 | |||
| Coefficient C | -2.97580e+01 | |||
| Reference | Spence and Wild, 1935 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 163.76 | |||
| Temperature range, max. | 250.86 | |||
| Pvap | 0.13 | kPa | 163.76 | Calculated Property |
| Pvap | 0.40 | kPa | 173.44 | Calculated Property |
| Pvap | 1.06 | kPa | 183.12 | Calculated Property |
| Pvap | 2.49 | kPa | 192.79 | Calculated Property |
| Pvap | 5.33 | kPa | 202.47 | Calculated Property |
| Pvap | 10.51 | kPa | 212.15 | Calculated Property |
| Pvap | 19.34 | kPa | 221.83 | Calculated Property |
| Pvap | 33.58 | kPa | 231.50 | Calculated Property |
| Pvap | 55.44 | kPa | 241.18 | Calculated Property |
| Pvap | 87.59 | kPa | 250.86 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ρl | [929.14; 451.54] | kg/m3 | [181.15; 396.06] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A / B^(1 + (1 − T/C)^D) Y is ρl in kg/m3, T in K | |||
| Coefficient A | 5.82894e+01 | |||
| Coefficient B | 2.23080e-01 | |||
| Coefficient C | 4.08000e+02 | |||
| Coefficient D | 2.85690e-01 | |||
| Temperature range, min. | 181.15 | |||
| Temperature range, max. | 396.06 | |||
| ρl | 929.14 | kg/m3 | 181.15 | Calculated Property |
| ρl | 892.99 | kg/m3 | 205.03 | Calculated Property |
| ρl | 855.26 | kg/m3 | 228.91 | Calculated Property |
| ρl | 815.59 | kg/m3 | 252.79 | Calculated Property |
| ρl | 773.45 | kg/m3 | 276.67 | Calculated Property |
| ρl | 728.07 | kg/m3 | 300.54 | Calculated Property |
| ρl | 678.17 | kg/m3 | 324.42 | Calculated Property |
| ρl | 621.41 | kg/m3 | 348.30 | Calculated Property |
| ρl | 552.44 | kg/m3 | 372.18 | Calculated Property |
| ρl | 451.54 | kg/m3 | 396.06 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| γ | [0.07; 0.00] | N/m | [181.15; 396.06] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is γ in N/m, T in K | |||
| Coefficient A | -1.61010e-02 | |||
| Coefficient B | 1.36530e+02 | |||
| Coefficient C | -3.70040e+00 | |||
| Coefficient D | 6.76570e-03 | |||
| Coefficient E | -2.15230e-05 | |||
| Temperature range, min. | 181.15 | |||
| Temperature range, max. | 396.06 | |||
| γ | 0.07 | N/m | 181.15 | Calculated Property |
| γ | 0.06 | N/m | 205.03 | Calculated Property |
| γ | 0.05 | N/m | 228.91 | Calculated Property |
| γ | 0.04 | N/m | 252.79 | Calculated Property |
| γ | 0.03 | N/m | 276.67 | Calculated Property |
| γ | 0.03 | N/m | 300.54 | Calculated Property |
| γ | 0.02 | N/m | 324.42 | Calculated Property |
| γ | 0.01 | N/m | 348.30 | Calculated Property |
| γ | 0.01 | N/m | 372.18 | Calculated Property |
| γ | 0.00 | N/m | 396.06 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| λgas | [0.01; 0.12] | W/m×K | [181.15; 994.05] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A·T^B / (1 + C/T + D/T²) Y is λgas in W/m×K, T in K | |||
| Coefficient A | 4.48410e+01 | |||
| Coefficient B | -7.12850e-01 | |||
| Coefficient C | -3.46620e+03 | |||
| Coefficient D | 5.26210e+06 | |||
| Temperature range, min. | 181.15 | |||
| Temperature range, max. | 994.05 | |||
| λgas | 0.01 | W/m×K | 181.15 | Calculated Property |
| λgas | 0.01 | W/m×K | 271.47 | Calculated Property |
| λgas | 0.02 | W/m×K | 361.79 | Calculated Property |
| λgas | 0.03 | W/m×K | 452.12 | Calculated Property |
| λgas | 0.04 | W/m×K | 542.44 | Calculated Property |
| λgas | 0.05 | W/m×K | 632.76 | Calculated Property |
| λgas | 0.07 | W/m×K | 723.08 | Calculated Property |
| λgas | 0.08 | W/m×K | 813.41 | Calculated Property |
| λgas | 0.10 | W/m×K | 903.73 | Calculated Property |
| λgas | 0.12 | W/m×K | 994.05 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| λliquid | [0.24; 0.22] | W/m×K | [204.00; 234.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is λliquid in W/m×K, T in K | |||
| Coefficient A | 1.09990e-01 | |||
| Coefficient B | -1.61620e+02 | |||
| Coefficient C | 8.34630e-01 | |||
| Coefficient D | -1.14200e-02 | |||
| Coefficient E | 6.07720e-06 | |||
| Temperature range, min. | 204.00 | |||
| Temperature range, max. | 234.00 | |||
| λliquid | 0.24 | W/m×K | 204.00 | Calculated Property |
| λliquid | 0.24 | W/m×K | 207.33 | Calculated Property |
| λliquid | 0.24 | W/m×K | 210.67 | Calculated Property |
| λliquid | 0.23 | W/m×K | 214.00 | Calculated Property |
| λliquid | 0.23 | W/m×K | 217.33 | Calculated Property |
| λliquid | 0.23 | W/m×K | 220.67 | Calculated Property |
| λliquid | 0.23 | W/m×K | 224.00 | Calculated Property |
| λliquid | 0.23 | W/m×K | 227.33 | Calculated Property |
| λliquid | 0.22 | W/m×K | 230.67 | Calculated Property |
| λliquid | 0.22 | W/m×K | 234.00 | Calculated Property |
Similar Compounds
Find more compounds similar to Formaldehyde.
Mixtures
- Formaldehyde + Water
- Formaldehyde + Methyl Alcohol + Water
- Formaldehyde + Ethanol, 2,2'-oxybis- + Water
- 2-Butyne-1,4-diol + Formaldehyde + Water
- Formaldehyde + 1,3,5-Trioxane + Water
- 1,3-Dioxolane + Formaldehyde + Water
- Propanamide, N,N-bis(2-ethylhexyl)-2-methyl- + Formaldehyde
Sources
- Active Thermochemical Tables 1.112, gas-phase enthalpies of formation ChEDL chemicals 1.5.2, from Active Thermochemical Tables (ATcT), version 1.112, Argonne National Laboratory; Ruscic, B. et al. Active Thermochemical Tables: Thermochemistry for the 21st Century. J. Phys.: Conf. Ser. 2005, 16, 561.
- Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
- PSRK revision IV (2005), critical constants and acentric factors of 1000 components ChEDL chemicals 1.5.2, from Horstmann, S.; Jabłoniec, A.; Krafczyk, J.; Fischer, K.; Gmehling, J. PSRK Group Contribution Equation of State: Comprehensive Revision and Extension IV, Including Critical Constants and α-Function Parameters for 1000 Components. Fluid Phase Equilib. 2005, 227, 157-164.
- ChemSep v8.3 pure component data Converted from ChemSep v8.3 pure component data, H. Kooijman and R. Taylor (2021, 2022), Artistic License 2.0; see how the values differ.
- Crippen Method
- Liquid-liquid equilibrium in binary and ternary mixtures containing formaldehyde, water, methanol, methylal, and poly(oxymethylene) dimethyl ethers
- Density, excess molar volume, and COSMO-RS study of reactive aqueous solutions containing formaldehyde
- Vapor-liquid equilibrium of mixtures containing formaldehyde, water, and butynediol
- Activity coefficients at infinite dilution of organic solutes in methylphosphonate based ionic liquids using gas-liquid chromatography
- Determination of Activity Coefficients at Infinite Dilution of Solutes in N,N'-Di(2-ethylhexyl)isobutyramide Using Inverse Gas-Liquid Chromatography
- Solubility of Formaldehyde and Trioxane in Aqueous Solutions
- New Experimental Results for the Vapor-Liquid Equilibrium of the Binary System (Trioxane + Water) and the Ternary System (Formaldehyde + Trioxane + Water)
- Activity Coefficients at Infinite Dilution of Organic Compounds in Four New Imidazolium-Based Ionic Liquids
- Partition Coefficients of Organic Compounds in Four New Tetraalkylammonium Bis(trifluoromethylsulfonyl)imide Ionic Liquids Using Inverse Gas Chromatography
- Evaluation of the Performance of Trigeminal Tricationic Ionic Liquids for Separation Problems
- Isobaric Vapor Liquid Equilibrium for the Ternary System (Formaldehyde + 1,3-Dioxolane + Water) at 101.3 kPa
- Activity Coefficients at Infinite Dilution of Organic Compounds in 1-Butyl-3-methylimidazolium Tetrafluoroborate Using Inverse Gas Chromatography
- Activity Coefficients at Infinite Dilution of Organic Compounds in Trihexyl(tetradecyl)phosphonium Bis(trifluoromethylsulfonyl)imide Using Inverse Gas Chromatography
- Partition Coefficients of Organic Compounds in New Imidazolium and Tetralkylammonium Based Ionic Liquids Using Inverse Gas Chromatography
- Study of Ether-, Alcohol-, or Cyano-Functionalized Ionic Liquids Using Inverse Gas Chromatography
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- NCMS SOLV-DB
- The Yaws Handbook of Vapor Pressure
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