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Formic Acid
CAS: 64-18-6 | CH2O2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
64-18-6
Molecular Formula:
CH2O2
Molecular Mass:
46.03 g/mol
Names and Synonyms:
Formic Acid
Formic acid
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)
Identifiers:
SMILES:
O=CO
InChI:
InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3)
Key Properties
Boiling Point
100.5 °C
CAS Common Chemistry
Melting Point
8.4 °C
CAS Common Chemistry
Density
1.22 g/cm³
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 46.03 g/mol | CAS Common Chemistry |
| 46.025 g/mol | RDKit | |
| 46.005479304 g/mol | RDKit | |
| Density | 1.22 g/cm³ | CAS Common Chemistry |
| 1.220 g/cm3 @ Temp: 20 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Formic_acid | CAS Common Chemistry |
| Boiling Point | 100.5 °C | CAS Common Chemistry |
| Canonical SMILES | O=CO | CAS Common Chemistry |
| InChI | InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3) | CAS Common Chemistry |
| InChI Key | InChIKey=BDAGIHXWWSANSR-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 8.4 °C | CAS Common Chemistry |
| Name | Formic acid | CAS Common Chemistry |
| Heavy Atom Count | 3 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 37.3 Ų | RDKit |
| LogP | -0.29919999999999997 | RDKit |
| Molar Refractivity | 8.6928 | RDKit |
