| Name | Data | Structural formula | Description |
| Formic acid Methanoic acid Formylic acid Hydrocarbonic acid |
Empirical formula CH2O2 Melting point 8 °C Boiling point 101 °C |
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Colourless, corrosive liquid soluble in water and often used in nature by living creatures for defence. It is an acid of the carbon group and, having the structural formula HCOOH, is the simplest carbon acid. Its salts are termed formiates, e.g. calcium formiate, ammonium formiate, sodium formiate. |
| Name | Formula | Melting pt | Boiling pt | Brief description |
| Benzoic acid | C7H6O2 | 122 °C | 249 °C | Benzoic acid is an aromatic carbon acid… |
| Propionic acid | C3H6O2 | −21 °C | 141 °C | Propionic acid is the trivial name for … |
| Formic acid | CH2O2 | 8 °C | 101 °C | Colourless, corrosive liquid soluble in water… |
| Citric acid | C6H8O7 | 153 °C | 175 °C | Citric acid is a colourless, water-soluble… |
| Propylene glycol | C3H8O2 | −68 °C | 188 °C | Propylene glycol is a clear, colourless… |
| Glycerol | C3H8O3 | 18 °C | 290 °C | Glycerol is the trivial name and the… |
| Sorbic acid | C6H8O2 | 135 °C | 228 °C | Sorbic acid is a double … |
| Ammonia | NH3 | −78 °C | −33 °C | Ammonia is a strongly pungent… |
| Lactic acid | C3H6O3 | 18 °C | 122 °C | Lactic acid is an important intermediate product… |
| Phosphoric acid | H3PO4 | 42,35 °C | 213 °C | Normal, or orthophosphoric, acid is the… |
| Acetic acid | C2H4O2 | 17 °C | 118 °C | Acetic acid is a colourless, liquid… |
| Fumaric acid | C4H4O4 | 287 °C | 290 °C | Fumaric acid is found in various plants… |
| Lignin sulphonic acid | Lignin sulphonic acid is formed from lignin… | |||
| Crude glycerol | C3H8H3 | Crude glycerol is formed during chemical… | ||
| Carbonic acids | Collective name for alphatic, saturated… | |||
| Cobalt(II) chloride | CoCl2 | 735 °C | 1049 °C | Nutritionally, cobalt is an essential… |
| Ascorbic acid | C6H8O6 | 190 °C | 192 °C | Ascorbic acid is an organic solid… |
| Chicory pulp | C7H6H2 | Chicory pulp is the dried root… | ||
| Vitamin E | C29H50O2 | 2.5–3.5 °C | 393 °C | Vitamin E is a collective term for a group… |
| Vermiculite | Vermiculite is a mineral similar… | |||
| Diamol | (SiO2)n | Natural product from deposits of… | ||
| Sipernate | (SiO2)n | Synthetic, amorphous, precipitated silicic acid… |