| Identification | |
| Name: | Carbonic acid |
| Synonyms: | NSC 81688 |
| CAS: | 463-79-6 |
| Molecular Formula: | CH2 O3 |
| Molecular Weight: | 0 |
| InChI: | InChI=1S/CH2O3/c2-1(3)4/h(H2,2,3,4) |
| Molecular Structure: |  |
| Properties | |
| Melting Point: | 851 deg C |
| Density: | 1.668 g/cm3 |
| Stability: | Cannot be isolated as a pure liquid or solid, since the products of its decomposition, carbon dioxide and water, are much more stable than the acid. |
| Solubility: | miscible in all proportions
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| Appearance: | colourless aqueous solution |
| Specification: | colourless aqueous solution |
| Color: | White powder Grayish-white powder or lumps containing up to 99% sodium carbonate. |
| Safety Data | |
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