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Molecule
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
Identifiers
CAS Registry Number
64-18-6
SMILES
O=CO
InChI Key
BDAGIHXWWSANSR-UHFFFAOYSA-N
InChI
InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3)
Names and Synonyms
- Formic Acid Common Name
- Formic acid Synonym
- Aminic acid Synonym
- Formylic acid Synonym
- Hydrogen carboxylic acid Synonym
- Methanoic acid Synonym
- Bilorin Synonym
- Collo-Bueglatt Synonym
- Collo-Didax Synonym
- Formisoton Synonym
- Myrmicyl Synonym
- Formira Synonym
- Add-F Synonym
- Methanoic acid monomer Synonym
- Ameisensaure Synonym
- Sybest Synonym
- Wonderbond Hardener M 600L Synonym
- Ensilox Synonym
- Amasil Synonym
- Amasil 85 Synonym
- Add-F (silage additive) Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 46.03 g/mol | CAS Common Chemistry |
| 46.025 g/mol | RDKit | |
| Density | 1.22 g/cm³ | CAS Common Chemistry |
| 1.220 g/cm3 @ 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 |
| -0.2992 | RDKit | |
| Molar Refractivity | 8.6928 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 46.005479304 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
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.
External Resources
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Quick conversion
MW = 46.03 g/mol; density = 1.220 g/mL. Edit any field — others recompute live.