Chemical Properties of Formic acid (CAS 64-18-6)

Formic acid

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InChI
InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3)
InChI Key
BDAGIHXWWSANSR-UHFFFAOYSA-N
Formula
CH2O2
SMILES
O=CO
Molecular Weight1
46.03
CAS
64-18-6
Other Names
  • Acide formique
  • Acido formico
  • Add-F
  • Amasil
  • Ameisensaeure
  • Aminic acid
  • Bilorin
  • Collo-Bueglatt
  • Collo-Didax
  • Formira
  • Formisoton
  • Formylic acid
  • HCOOH
  • Hydrogen carboxylic acid
  • Kwas metaniowy
  • Kyselina mravenci
  • Methanoic acid
  • Mierenzuur
  • Myrmicyl
  • Rcra waste number U123
  • UN 1779
Sources

Physical Properties

Property Value Unit Source
PAff 742.00 kJ/mol NIST
BasG 710.30 kJ/mol NIST
Δcliquid -253.80 ± 0.30 kJ/mol NIST
Δcliquid -254.60 ± 0.30 kJ/mol NIST
Δf -278.80 kJ/mol Joback Calculated Property
Δfgas [-379.20; -378.30] kJ/mol Show Hide
Δfgas -378.60 kJ/mol NIST
Δfgas -379.00 kJ/mol NIST
Δfgas -379.20 ± 0.60 kJ/mol NIST
Δfgas -378.30 kJ/mol NIST
Δfgas -378.50 ± 0.60 kJ/mol NIST
Δfliquid -425.09 kJ/mol NIST
Δfliquid -425.50 ± 0.30 kJ/mol NIST
Δfliquid -424.80 ± 0.30 kJ/mol NIST
Δfus 4.72 kJ/mol Joback Calculated Property
Δvap [19.90; 46.30] kJ/mol Show Hide
Δvap 46.30 kJ/mol NIST
Δvap 36.00 kJ/mol NIST
Δvap 46.30 ± 0.50 kJ/mol NIST
Δvap 46.30 ± 0.50 kJ/mol NIST
Δvap 19.90 kJ/mol NIST
IE [10.70; 11.51] eV Show Hide
IE 11.33 ± 0.01 eV NIST
IE 11.31 eV NIST
IE 11.33 ± 0.00 eV NIST
IE 11.16 ± 0.03 eV NIST
IE 11.31 ± 0.00 eV NIST
IE 11.30 eV NIST
IE 11.33 eV NIST
IE 11.35 ± 0.03 eV NIST
IE 11.16 ± 0.03 eV NIST
IE 11.33 eV NIST
IE 11.05 ± 0.03 eV NIST
IE 11.05 ± 0.01 eV NIST
IE 11.33 eV NIST
IE 11.50 eV NIST
IE 11.34 eV NIST
IE Outlier 10.70 eV NIST
IE 11.51 eV NIST
logPoct/wat -0.30 Crippen Calculated Property
Pc 7587.81 kPa Joback Calculated Property
Ptriple 2.36 ± 0.01 kPa NIST
gas 248.70 ± 0.42 J/mol×K NIST
liquid 131.84 J/mol×K NIST
liquid 128.40 J/mol×K NIST
liquid 143.10 J/mol×K NIST
Tboil [372.00; 380.85] K Show Hide
Tboil 373.80 K NIST
Tboil 373.85 ± 0.30 K NIST
Tboil 373.75 ± 0.40 K NIST
Tboil 373.63 ± 0.10 K NIST
Tboil Outlier 380.85 ± 5.00 K NIST
Tboil 373.70 ± 0.40 K NIST
Tboil 373.95 ± 0.50 K NIST
Tboil 373.85 ± 0.20 K NIST
Tboil 373.90 ± 0.50 K NIST
Tboil 373.90 ± 0.50 K NIST
Tboil 373.90 ± 0.30 K NIST
Tboil 373.40 ± 0.60 K NIST
Tboil 374.05 ± 0.60 K NIST
Tboil 373.90 ± 0.20 K NIST
Tboil 373.35 ± 0.30 K NIST
Tboil 374.55 ± 0.50 K NIST
Tboil 373.85 ± 0.40 K NIST
Tboil 376.15 ± 2.00 K NIST
Tboil 373.80 ± 0.30 K NIST
Tboil 374.15 ± 1.00 K NIST
Tboil 373.75 ± 1.00 K NIST
Tboil 374.15 ± 1.50 K NIST
Tboil 374.15 ± 1.50 K NIST
Tboil 373.80 ± 1.00 K NIST
Tboil 373.75 ± 1.00 K NIST
Tboil 373.95 ± 1.00 K NIST
Tboil 372.00 ± 1.50 K NIST
Tboil 373.65 ± 1.00 K NIST
Tboil Outlier 378.45 ± 1.00 K NIST
Tboil Outlier 378.45 ± 1.00 K NIST
Tc 577.00 ± 30.00 K NIST
Tc 588.00 ± 10.00 K NIST
Tc 580.00 K NIST
Tfus [280.85; 282.00] K Show Hide
Tfus 281.47 ± 0.10 K NIST
Tfus 281.50 ± 0.30 K NIST
Tfus 281.55 ± 0.20 K NIST
Tfus 281.40 ± 0.05 K NIST
Tfus Outlier 280.85 ± 0.50 K NIST
Tfus 281.55 ± 0.10 K NIST
Tfus 282.00 ± 1.50 K NIST
Tfus 281.70 ± 1.50 K NIST
Tfus 281.40 ± 0.30 K NIST
Ttriple 281.45 ± 0.10 K NIST
Ttriple 281.40 ± 0.06 K NIST
Vc 0.13 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 50.91 J/mol×K 363.12 Joback Calculated Property
Cp,liquid [95.40; 100.00] J/mol×K [290.00; 298.15] Show Hide
Plot of Liquid phase heat capacity.
Cp,liquid 100.00 J/mol×K 290.0 NIST
Cp,liquid 98.30 J/mol×K 291.5 NIST
Cp,liquid 95.40 J/mol×K 298.0 NIST
Cp,liquid 99.04 J/mol×K 298.15 NIST
Cp,liquid 98.10 J/mol×K 298.15 NIST
η 0.00 Pa×s 363.12 Joback Calculated Property
ΔfusH 12.68 kJ/mol 281.4 NIST
ΔfusH 12.68 kJ/mol 281.4 NIST
ΔsubH [60.10; 62.00] kJ/mol [210.50; 274.50] Show Hide
ΔsubH 62.00 ± 1.00 kJ/mol 210.5 NIST
ΔsubH 60.10 kJ/mol 264.0 NIST
ΔsubH 60.70 kJ/mol 266.5 NIST
ΔsubH 60.50 kJ/mol 274.5 NIST
ΔvapH [20.30; 47.70] kJ/mol [290.00; 373.80] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 36.80 kJ/mol 290.0 NIST
ΔvapH 29.60 kJ/mol 303.0 NIST
ΔvapH 20.40 kJ/mol 315.0 NIST
ΔvapH 20.30 kJ/mol 323.0 NIST
ΔvapH 20.90 kJ/mol 323.0 NIST
ΔvapH 47.70 kJ/mol 334.5 NIST
ΔvapH 21.10 kJ/mol 338.0 NIST
ΔvapH 35.20 kJ/mol 342.0 NIST
ΔvapH 35.20 kJ/mol 346.0 NIST
ΔvapH 22.69 kJ/mol 373.8 NIST
ΔfusS 45.05 J/mol×K 281.4 NIST

Molecular Descriptors

Joback and Reid Groups
-OH (alcohol) 1
O=CH- (aldehyde) 1

Similar Compounds

HCO2 anion. Copper (II) formate tetrahydrate. sodium formate. Lithium formate. Rubidium formate. thallium formate. Hydrocarboxyl radical. Formic acid, sodium salt. Ammonium carbonate. Methyl formate. HCOOCH radical anion. lithium carbonate. Copper (II) formate tetradeuterate. Hydroxycarbonyl-d1. Formic acid, thallous salt.

Find more compounds similar to Formic acid.

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