Alcohol · C₃H₈O
n-Propanol — a solvent for coatings and inks. Solvent in coatings, inks, and cosmetics; a component in some cleaning formulations.
| Formula | C₃H₈O |
| CAS number | 71-23-8 |
| Synonyms | n-propanol, propan-1-ol |
| Molar mass | 60.1 g/mol (Computed from the molecular formula and CODATA atomic weights) |
| Normal boiling point | 97.2 °C (NIST Chemistry WebBook (webbook.nist.gov)) |
| Liquid density | 803 kg/m³ (Reference liquid density near 20–25 °C (NIST WebBook)) |
Antoine equation (mmHg/°C): log₁₀(P) = 7.74416 − 1437.686 / (198.463 + T), valid 20–116 °C. Source: NIST Chemistry WebBook (webbook.nist.gov).
| °C | kPa | bar | mmHg | psia |
|---|---|---|---|---|
| 20.0 | 1.94 | 0.0194 | 14.6 | 0.282 |
| 39.2 | 6.60 | 0.0660 | 49.5 | 0.958 |
| 58.4 | 18.71 | 0.1871 | 140.3 | 2.713 |
| 77.6 | 45.84 | 0.4584 | 343.8 | 6.649 |
| 96.8 | 99.98 | 0.9998 | 749.9 | 14.500 |
| 116.0 | 198.24 | 1.9824 | 1486.9 | 28.752 |
Using its Antoine constants (NIST Chemistry WebBook (webbook.nist.gov)), the saturation pressure of 1-propanol at 25 °C is about 2.73 kPa. Use the calculator above for any temperature within 20–116 °C.
1-Propanol boils at 97.2 °C at atmospheric pressure (NIST Chemistry WebBook (webbook.nist.gov)). At that temperature its vapor pressure equals one atmosphere (760 mmHg).
1-Propanol (C₃H₈O, CAS 71-23-8) has a molar mass of 60.1 g/mol.