Phosphoric acid or orthophosphoric acid is a common inorganic acid. Orthophosphoric acid is produced by treating apatite by sulfuric acid.
| Molecular formula | H3PO4 |
|---|---|
| Molecular weight | 97.9724 |
| Density | 1.685g/ml (liquid state) |
| Melting point | 42.35 ℃ (316K) |
| Boiling point | 158℃ (431 K) |
| Appearance and properties | White solid or colorless viscous liquid |
Agricultural industry: Phosphoric acid functions as raw material for producing phosphatic fertilizers and feed nutrients.
Industry: Phosphoric acid is an important chemical raw material.
Food: Phosphoric acid is one of the food additives that is used in foods as sour agent and yeast nutrient. Moreover, phosphoric acid can be used as nutritional enhancer.
Medical: In producing phosphorus-containing drugs such as sodium glycerophosphate, and etc.
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