Sodium trimetaphosphate
Synonym(s):Sodium cyclotriphosphate;Trisodium trimetaphosphate
- CAS NO.：7785-84-4
- Empirical Formula: 3Na.O9P3
- Molecular Weight: 305.88
- MDL number: MFCD00867826
- EINECS: 232-088-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-10-30 18:52:02
What is Sodium trimetaphosphate ?
Chemical properties
efflorescent; tricl-rhomb prisms [MER06]
The Uses of Sodium trimetaphosphate
Sodium Trimetaphosphate works as the crosslinking agent in the cross-linked amylase-resistant starch.
The Uses of Sodium trimetaphosphate
Pharmaceutic aid.
Industrial uses
Sodium trimetaphosphate, Na3[P3O9], is the most stable compound of this group of reagents. The hydrated form of sodium trimetaphosphate contains 6 or 10 molecules of water of crystallization. Commercial production is obtained by heating NaPO3 at 525 °C.
Safety Profile
Poison by intravenous route. Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic fumes of POx and Na2O. See also PHOSPHATES.
Purification Methods
It is precipitated from an aqueous solution at 40o by adding EtOH. It is dried in air.
Properties of Sodium trimetaphosphate
| Melting point: | 53℃ [MER06] |
| Density | 2.49 |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Water (Slightly) |
| form | Powder |
| color | White |
| Specific Gravity | 2.49 |
| Water Solubility | Soluble in water. Insoluble in alcohol. |
| Merck | 14,8696 |
| CAS DataBase Reference | 7785-84-4(CAS DataBase Reference) |
| EPA Substance Registry System | Sodium trimetaphosphate (7785-84-4) |
Safety information for Sodium trimetaphosphate
Computed Descriptors for Sodium trimetaphosphate
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