Trisodium phosphate
Synonym(s):Sodium orthophosphate;Trisodium phosphate
- CAS NO.：7601-54-9
- Empirical Formula: Na3O4P
- Molecular Weight: 163.940671
- MDL number: MFCD00003510
- EINECS: 231-509-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:07:02
What is Trisodium phosphate?
Definition
ChEBI: Trisodium phosphate is a sodium phosphate.
Description
Trisodium phosphate (TSP) is the inorganic compound with the chemical
formula Na3PO4. It is a white, granular or crystalline solid, highly
soluble in water producing an alkaline solution. TSPs are used as
cleaning agent, lubricant, food additive, stain remover and
degreaser.
Most often
found in White powder form, it can also be called trisodium
orthophosphate or simply sodium phosphate.
Use
TSPs are used as cleaning agent, lubricant, food additive, stain remover and degreaser.The item of commerce is often partially hydrated and may range from anhydrous Na3PO4, to the dodecahydrate, Na3PO4·12 H2O.
Properties of Trisodium phosphate
| Melting point: | 1340°C |
| Density | 2.536 g/cm3(Temp: 17.5 °C) |
| vapor pressure | 0Pa at 20℃ |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | H2O: slightly soluble(lit.) |
| form | Powder |
| color | White |
| PH | 10.95(1 mM solution);11.71(10 mM solution);12.12(100 mM solution) |
| Odor | at 100.00?%. odorless |
| Water Solubility | Soluble in water. Insoluble in ethanol and carbon disulfide. |
| Sensitive | Hygroscopic |
| Merck | 14,8662 |
| Dielectric constant | 1.6（Ambient） |
| InChI | InChI=1S/3Na.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3 |
| CAS DataBase Reference | 7601-54-9(CAS DataBase Reference) |
| EPA Substance Registry System | Trisodium phosphate (7601-54-9) |
Safety information for Trisodium phosphate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Trisodium phosphate
| InChIKey | RYFMWSXOAZQYPI-UHFFFAOYSA-K |
| SMILES | [Na+].[Na+].[Na+].P([O-])([O-])([O-])=O |
Trisodium phosphate manufacturer
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