Calcium phosphate
Chemical Name: Calcium phosphate
CAS No.: 7758-87-4
Appearance: White aqueous suspension
Molecular Formula: Ca3O8P2
Molecular weight: 310.18
Sample: Available
Industrial-grade calcium phosphate features purity above 99%, appearing as a white amorphous powder with no odor. It has a melting point of 1670℃ and remains stable at high temperatures. At 25℃, its vapor pressure is negligible, and the relative density is 3.14 at 20℃. It is nearly insoluble in water, dissolves in dilute hydrochloric acid and nitric acid, and does not dissolve in ethanol. It remains stable under normal environmental conditions.
Parameters
| Item | Value |
| Melting point | 1670°C |
| density | 3.14 |
| FEMA | 3081 | TRICALCIUM PHOSPHATE |
| refractive index | 1.63 |
| storage temp. | room temp |
| solubility | Practically insoluble in water. It dissolves in dilute hydrochloric acid and in dilute nitric acid. |
| form | aqueous suspension |
| color | White |
| Odor | Odorless |
| PH | 6-8 (50g/l, H2O, 20°C) suspension |
| Water Solubility | 0.1 g/L (25 ºC) |
| Merck | 13,1699 |
| Solubility Product Constant (Ksp) | pKsp: 28.68 |
| InChIKey | QORWJWZARLRLPR-UHFFFAOYSA-H |
| LogP | -2.15 |
| CAS DataBase Reference | 7758-87-4(CAS DataBase Reference) |
| EPA Substance Registry System | Tricalcium phosphate (7758-87-4) |
Safety Information
| Item | Value |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-24/25-22 |
| WGK Germany | 3 |
| HS Code | 2835 26 00 |
| Hazardous Substances Data | 7758-87-4(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 2000 mg/kg |
Product Application of Calcium phosphateCAS#7758-87-4
Calcium phosphate acts as an anti‑caking agent and calcium supplement. It is used in table salt and dry vinegar to prevent caking. It provides calcium and phosphorus in cereals and desserts. It serves as a bleaching agent in flour and lard, suppresses unwanted discoloration, and enhances frying stability.
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