Stability: Dibasic calcium phosphate remains stable when exposed to air and has a long shelf life.
Low Solubility: It is nearly insoluble in water, making it ideal for use in products that require minimal reactivity with water.
Acid Dissolution: Easily dissolves in diluted hydrochloric and nitric acids, offering versatility in various industrial applications.
Neutral pH: The compound maintains a neutral pH (7), making it suitable for formulations requiring balanced acidity.
Dibasic Calcium Phosphate exists in either an anhydrous form or as a dihydrate. It appears as a white, odorless, and tasteless powder that remains stable when exposed to air. While nearly insoluble in water, it dissolves easily in diluted hydrochloric and nitric acids. However, it does not dissolve in alcohol.
| Melting point | 370°C(decomposition) |
| density | 2.306（16℃） |
| RTECS | TB8528000 |
| storage temp. | 2-8°C |
| solubility | Practically insoluble in water and in ethanol (96 per cent). It dissolves in dilute hydrochloric acid and in dilute nitric acid. |
| form | gel (aged) |
| color | White |
| PH | 7 (10g/l, H2O, 20°C) suspension |
| Water Solubility | Sparingly soluble in water, practically insoluble in cold water. |
| Merck | 13,1697 |
| Solubility Product Constant (Ksp) | pKsp: 7 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | FUFJGUQYACFECW-UHFFFAOYSA-L |
| LogP | -2.148 (est) |
| CAS DataBase Reference | 7757-93-9(CAS DataBase Reference) |
| EPA Substance Registry System | Calcium hydrogen phosphate (7757-93-9) |
| Safety Information |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-24/25-22 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 2835 25 00 |
| Hazardous Substances Data | 7757-93-9(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 10000 mg/kg LD50 dermal Rabbit > 7940 mg/kg |
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