Density of Common Acids
The density of acids varies depending on the specific type of acid and its concentration. Generally, acids are liquid substances with densities ranging from about 1 to 2.5 (g/cm3).
The following table provides a comprehensive list of density values for pure acids at standard room temperature (approximately 20°C or 68°F) and 1 atmospheric (atm) pressure. (1 atm = 101,325 Pa)
Click on the icon to switch between metric (g/cm3) and US customary/Imperial (lb/ft3) units.
| Acetic Acid (CH3COOH) | Organic | 1.045 |
| Acetyl Chloride (CH3COCl) | Organic | 1.104 |
| Acetylsalicylic Acid (C9H8O4) | Organic | 1.4 |
| Aluminum Chloride (AlCl3) | Inorganic | 2.48 |
| Antimony Pentafluoride (SbF5) | Inorganic | 3.1 |
| Benzoic Acid (C7H6O2) | Organic | 1.266 |
| Boric Acid (H3BO3) | Inorganic | 1.435 |
| Boron Trifluoride (BF3) | Inorganic | 0.002772 |
| Butyric Acid (C4H8O2) | Organic | 0.958 |
| Caproic Acid (C6H12O2) | Organic | 0.93 |
| Citric Acid (C6H8O7) | Organic | 1.665 |
| Formic Acid (HCOOH) | Organic | 1.22 |
| Glycolic Acid (C2H4O3) | Organic | 1.49 |
| Hydrofluoric Acid (HF) | Inorganic | 1.0 |
| Hydrogen Cyanide (HCN) | Inorganic | 0.69 |
| Hydrogen Peroxide (H2O2) | Inorganic | 1.44 |
| Hydrogen Selenide (H2Se) | Inorganic | 0.00331 |
| Hydrogen Sulfide (H2S) | Inorganic | 1.54 at 0 °C |
| Iron(iii) Chloride (FeCl3) | Inorganic | 2.9 |
| Lactic Acid (C3H6O3) | Organic | 1.2 |
| Linoleic Acid (C18H32O2) | Organic | 0.902 |
| Malonic Acid (C3H4O4) | Organic | 1.619 at 10 °C |
| Nitric Acid (HNO3) | Inorganic | 1.51 |
| Oleic Acid (C18H34O2) | Organic | 0.895 |
| Oxalic Acid (C2H2O4) | Organic | 1.9 |
| Palmitic Acid (C16H32O2) | Organic | 0.8527 at 62 °C |
| Peracetic Acid (C2H4O3) | Organic | 1.226 |
| Perchloric Acid (HClO4) | Inorganic | 1.77 |
| Phosphoric Acid (H3PO4) | Inorganic | 1.87 |
| Propionic Acid (C3H6O2) | Organic | 0.99 |
| Stearic Acid (C18H36O2) | Organic | 0.941 |
| Succinic Acid (C4H6O4) | Organic | 1.572 |
| Sulfuric Acid (H2SO4) | Inorganic | 1.83 |
| Trichloroacetic Acid (C2HCl3O2) | Organic | 1.62 |
| Valeric Acid (C5H10O2) | Organic | 0.939 |
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 3) Occupational Safety and Health Administration (OSHA): The National Institute for Occupational Safety and Health (NIOSH). 4) Yaws, Carl L. The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals. Netherlands: Elsevier Science, 2015. 5) Fire Protection Guide to Hazardous Materials, 14th Edition. United States: National Fire Protection Association, 2010.