Inorganic Chemistry
Phosphoric Acid
| CAS No. | 7664-38-2 |
| Molecular Formula | H3O4P |
| Appearance | Colourless Viscous Liquid |
| Boiling Point | 158ºC |
| Density | 1.885 g/mL (liquid), 1.685 g/mL (85% solution), 2.030 g/mL (crystal at 25 °C) |
| Standard | Melting Point: 42.35 °C (anhydrous compound), 29.32 °C (hemihydrate); Vapor Pressure: 2.2 mm Hg ( 20 °C); Vapor Density: 3.4 (vs air); Refractive Index: 1.3420 (8.8% w/w aq. soln), 1.4320 (85% aq. soln) 25 °C |
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