Ketone · C₃H₆O
The simplest ketone — a volatile, water-miscible solvent. General-purpose solvent, cleaning, and a feedstock for MMA and bisphenol-A.
| Formula | C₃H₆O |
| CAS number | 67-64-1 |
| Synonyms | propanone, dimethyl ketone, 2-propanone |
| Molar mass | 58.08 g/mol (Computed from the molecular formula and CODATA atomic weights) |
| Normal boiling point | 56.05 °C (NIST Chemistry WebBook (webbook.nist.gov)) |
| Liquid density | 784 kg/m³ (Reference liquid density near 20–25 °C (NIST WebBook)) |
Antoine equation (mmHg/°C): log₁₀(P) = 7.02447 − 1161 / (224 + T), valid -13–55 °C. Source: NIST Chemistry WebBook (webbook.nist.gov).
| °C | kPa | bar | mmHg | psia |
|---|---|---|---|---|
| -13.0 | 4.44 | 0.0444 | 33.3 | 0.643 |
| 0.6 | 9.55 | 0.0955 | 71.7 | 1.386 |
| 14.2 | 18.85 | 0.1885 | 141.4 | 2.734 |
| 27.8 | 34.56 | 0.3456 | 259.2 | 5.012 |
| 41.4 | 59.54 | 0.5954 | 446.6 | 8.636 |
| 55.0 | 97.29 | 0.9729 | 729.8 | 14.111 |
Using its Antoine constants (NIST Chemistry WebBook (webbook.nist.gov)), the saturation pressure of acetone at 25 °C is about 30.67 kPa. Use the calculator above for any temperature within -13–55 °C.
Acetone boils at 56.05 °C at atmospheric pressure (NIST Chemistry WebBook (webbook.nist.gov)). At that temperature its vapor pressure equals one atmosphere (760 mmHg).
Acetone (C₃H₆O, CAS 67-64-1) has a molar mass of 58.08 g/mol.