Chemical Properties of Formaldehyde (CAS 50-00-0)

Formaldehyde

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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
  • METHANAL
  • Methaldehyde
  • Methyl aldehyde
  • Methylene oxide
  • Morbicid
  • NCI-C02799
  • NSC 298885
  • Oplossingen
  • Oxomethane
  • Oxymethylene
  • Paraform
  • Rcra waste number U122
  • Superlysoform
  • UN 1198
  • UN 2209
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Physical Properties

Property Value Unit Source
ω 0.2530 KDB
PAff [711.50; 712.90] kJ/mol Show Hide
PAff 712.90 kJ/mol NIST
PAff 711.50 ± 2.10 kJ/mol NIST
BasG [681.50; 683.30] kJ/mol Show Hide
BasG 683.30 kJ/mol NIST
BasG 681.50 ± 0.70 kJ/mol NIST
Δcgas [-570.78; -561.10] kJ/mol Show Hide
Δcgas -570.78 ± 0.42 kJ/mol NIST
Δcgas -561.10 kJ/mol NIST
μ 2.30 debye KDB
Δf -110.00 kJ/mol KDB
Δfgas [-116.00; -108.60] kJ/mol Show Hide
Δfgas -116.00 kJ/mol KDB
Δfgas -108.60 ± 0.46 kJ/mol NIST
Δf(+) ion 941.80 kJ/mol NIST
ΔfH(+) ion,0K 946.00 kJ/mol NIST
Δfus 2.32 kJ/mol Joback Calculated Property
Δvap 24.39 kJ/mol Joback Calculated Property
IE [10.10; 10.90] eV Show Hide
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
log10WS 0.48 Crippen Calculated Property
logPoct/wat -0.185 Crippen Calculated Property
McVol 26.520 ml/mol McGowan Calculated Property
NFPA Fire 4 KDB
NFPA Health 2 KDB
Pc 6590.00 kPa KDB
Inp [229.00; 284.00]   Show Hide
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 284.00 NIST
Inp 273.00 NIST
Tboil [253.85; 254.05] K Show Hide
Tboil 254.00 K KDB
Tboil 254.05 ± 0.50 K NIST
Tboil 253.85 ± 0.20 K NIST
Tc 408.00 K KDB
Tfus [156.00; 181.00] K Show Hide
Tfus 156.00 K KDB
Tfus 156.15 ± 1.00 K NIST
Tfus 181.00 ± 4.00 K NIST
Tfus 181.00 ± 6.00 K NIST
Ttriple 155.10 ± 0.30 K NIST
Vc 0.115 m3/kmol KDB
Zc 0.2234020 KDB

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [25.89; 34.87] J/mol×K [270.24; 436.48] Show Hide
Cp,gas 25.89 J/mol×K 270.24 Joback Calculated Property
Cp,gas 27.86 J/mol×K 297.95 Joback Calculated Property
Cp,gas 29.62 J/mol×K 325.65 Joback Calculated Property
Cp,gas 31.19 J/mol×K 353.36 Joback Calculated Property
Cp,gas 32.58 J/mol×K 381.07 Joback Calculated Property
Cp,gas 33.80 J/mol×K 408.77 Joback Calculated Property
Cp,gas 34.87 J/mol×K 436.48 Joback Calculated Property
η [0.0001255; 0.0001813] Pa×s [159.40; 270.24] Show Hide
η 0.0001813 Pa×s 159.40 Joback Calculated Property
η 0.0001652 Pa×s 177.87 Joback Calculated Property
η 0.0001531 Pa×s 196.35 Joback Calculated Property
η 0.0001438 Pa×s 214.82 Joback Calculated Property
η 0.0001365 Pa×s 233.29 Joback Calculated Property
η 0.0001304 Pa×s 251.77 Joback Calculated Property
η 0.0001255 Pa×s 270.24 Joback Calculated Property
ΔfusH 7.53 kJ/mol 155.00 NIST
ΔvapH [23.01; 24.30] kJ/mol [212.00; 249.60] Show Hide
ΔvapH 24.20 kJ/mol 212.00 NIST
ΔvapH 24.30 kJ/mol 217.50 NIST
ΔvapH 23.01 kJ/mol 249.60 KDB
ρl 815.00 kg/m3 253.00 KDB

Correlations

Property Value Unit Temperature (K) Source
Pvap [0.85; 347.51] kPa [181.15; 270.59] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.67699e+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

Similar Compounds

methanal-d. Formyl cation. Methyl-d1 radical, oxo-. Formyl radical. CD2. Methylene. Ketene. Methyl radical. Methyl-d3 radical. Formyl fluoride. Methylidyne cation. HCO2 anion. CD3. Methane. Thioformaldehyde.

Find more compounds similar to Formaldehyde.

Sources

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.

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