Formic acid
Properties
- Molecular formula
- CH2O2
- Molar mass
- 46.02 g/mol
- Exact mass
- 46.0055 Da
- Density
- 1.22 g/mL (at 20 °C)
- Melting point
- 8.4 °C
- Boiling point
- 100.5 °C
- pKa
- 3.75 (20 °C)
- Flash point
- 68.9 °C (closed cup)
- Water solubility
- miscible
- logP
- -0.30Crippen estimate
- Polar surface area
- 37.3 Ų
- H-bond donors / acceptors
- 1 / 1
- Rotatable bonds
- 0
Hazards
Danger
- H226 Flammable liquid and vaporFlammable liquids
- H290 May be corrosive to metalsCorrosive to Metals
- H302 Harmful if swallowedAcute toxicity, oral
- H314 Causes severe skin burns and eye damageSkin corrosion/irritation
- H318 Causes serious eye damageSerious eye damage/eye irritation
- H331 Toxic if inhaledAcute toxicity, inhalation
Harmonised EU classification (CLP Annex VI, index 607-001-00-0), via PubChem.
Precautionary statements
P210, P233, P234, P240, P241, P242, P243, P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P321, P330, P363, P370+P378, P390, P403+P233, P403+P235, P405, P406, P501
Identifiers
CAS number
64-18-6SMILES
O=COInChIKey
BDAGIHXWWSANSR-UHFFFAOYSA-NInChI
InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3)Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
19 names · show all
- Aminic acid
- Formylic acid
- Hydrogen carboxylic acid
- Methanoic acid
- Bilorin
- Collo-bueglatt
- Collo-didax
- Formisoton
- Myrmicyl
- Formira
- Add-F
- Methanoic acid monomer
- Ameisensaure
- Sybest
- Wonderbond hardener M 600L
- Ensilox
- Amasil
- Amasil 85
- Add-F (silage additive)
Safety data sheets
One stored sheet lists this compound in section 3, matched by the CAS number 64-18-6. Each row opens the sheet with its composition and PDF.
Work with Formic acid
Predict the NMR spectrum1H and 13C shifts with multiplicities
Make a solutionWhat to weigh for any molarity and volume
Check drug-likenessLipinski, Veber and lead-likeness
Boiling point under vacuumAt any pressure, from its normal boiling point
Isotope patternExact mass and the mass spectrum pattern
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
Calcium formate544-17-2Salt
Aluminium formate7360-53-4Salt
Nickel formate3349-06-2Salt
Potassium formate590-29-4Salt
Sodium formate141-53-7Salt
Ammonium formate540-69-2Salt
Copper formate544-19-4Salt
Potassium biformate20642-05-1Salt
Thallium formate992-98-3Salt
Zinc formate557-41-5Salt
Cesium formate3495-36-1Salt
Rubidium formate3495-35-0Salt