C₂H₄O₂C2H4O260.0500 g·mol⁻¹
Molar mass60.050 g·mol⁻¹calc 60.052 • Atomic weights: CIAAW 2021 (conventional atomic weights)
FormulaC₂H₄O₂C2H4O2
Classacid • covalentliquid
| Element | Count | Mass (g/mol) | Mass % |
|---|---|---|---|
| C | 2 | 24.022 | 40.00% |
| H | 4 | 4.032 | 6.71% |
| O | 2 | 31.998 | 53.28% |
Physical properties
- State at STP
- liquid
- Density
- 1.05 g·cm⁻³ (liquid at 20 °C, 1 atm)
- Melting point
- 289.8 K (1 atm)
- Boiling point
- 391.2 K (1 atm)
Structure & bonding
CH3COOH — carboxylic acid with carbonyl and OH on same carbon.
Occurrence & preparation
Vinegar (~5% AcOH) via fermentation; industrial carbonylation of methanol.
Uses
- Vinegar
- Solvent
Safety
Corrosive when concentrated (glacial); dilute vinegar is mild.
Consult current SDS. — consult current SDS before handling.