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| CAS No.: | 7601-54-9 |
|---|---|
| Name: | Trisodium phosphate |
| Molecular Structure: | |
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|
|
| Formula: | Na3PO4 |
| Molecular Weight: | 163.94 . |
| Synonyms: | Phosphoricacid, trisodium salt (8CI,9CI);Antisal 4;AvGard;Dri-Tri;Laston RP;Sodiumphosphate;Sodiumtertiary phosphate;Tribasic sodium orthophosphate;Tribasic sodium phosphate;Trisodium orthophosphate;Trisodium Phosphate (TSP);TriSodium Phosphate(TSP); |
| EINECS: | 231-509-8 |
| Density: | 2.536 g/cm3 (17.5 C) |
| Melting Point: | 73.3-76.7oC |
| Boiling Point: | 158oC at 760 mmHg |
| Solubility: | Soluble in water. Insoluble in ethanol and carbon disulfide. |
| Appearance: | White crystalline powder |
| Hazard Symbols: |
 C
|
| Risk Codes: | 34 |
| Safety: | 26-36/37/39-45-24/25 |
| Transport Information: | UN 3262 8/PG 3 |
| PSA: | 96.06000 |
| LogP: | 0.38600 |
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Consensus Reports
Reported in EPA TSCA Inventory.
Specification
Trisodium phosphate (TSP),with the CAS NO.7601-54-9, is a cleaning agent, lubricant, food additive, stain remover and degreaser. It is a white, granular or crystalline solid, highly soluble in water producing an alkaline solution. Most often found in white powder form, it can also be called trisodium orthophosphate or just plain sodium phosphate. Trisodium phosphate is made from phosphoric acid and soda ash, but caustic soda is necessary to substitute the third hydrogen of the phosphoric acid.
Uses of Trisodium phosphate: Trisodium phosphate can be used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
When you are using this chemical, please be cautious about it as the following:
1. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;
2. Wear suitable protective clothing, gloves and eye/face protection;
3. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible);
4. Avoid contact with skin and eyes;
You can still convert the following datas into molecular structure:
(1)InChI=1S/3Na.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3;
(2)InChIKey=RYFMWSXOAZQYPI-UHFFFAOYSA-K;
(3)SmilesP(=O)([O-])([O-])[O-].[Na+].[Na+].[Na+]
The toxiciy data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rabbit | LD | skin | > 300mg/kg (300mg/kg) | Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 47, 1990. | |
| rabbit | LDLo | intravenous | 1580mg/kg (1580mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935. |