Tris(2-ethylhexyl) phosphate
SIAL/93299 - Selectophore™, ≥99.0%
Synonym: ‘Trioctyl’ phosphate
CAS Number: 78-42-2
Empirical Formula (Hill Notation): C24H51O4P
Molecular Weight: 434.63
EC Number: 201-116-6
MDL Number: MFCD00009491
Linear Formula: [CH3(CH2)3CH(C2H5)CH2O]3P(O)
Product Type: Chemical
| assay | ≥99.0% |
| ≥99.0% (GC) | |
| bp | 215 °C/4 mmHg (lit.) |
| density | 0.92 g/mL at 20 °C (lit.) |
| description | for ion-selective electrodes |
| form | liquid |
| InChI | 1S/C24H51O4P/c1-7-13-16-2 |
| InChI key | GTVWRXDRKAHEAD-UHFFFAOYSA |
| product line | Selectophore™ |
| Quality Level | 200 ![]() |
| refractive index | n |
| n |
|
| SMILES string | CCCCC(CC)COP(=O)(OCC(CC)C |
| suitability | corresponds to standard for filter test |
| vapor pressure | 2.1 mmHg ( 20 °C) |
| Application: | Plasticizer for solvent polymeric membrane electrodes. Tris(2-ethylhexyl) phosphate may be used as an extractant in the extraction of scandium(III) and yttrium(III) from salicylate media. |
| General description: | Visit our Sensor Applications portal to learn more. |
| Legal Information: | Selectophore is a trademark of Merck KGaA, Darmstadt, Germany |
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H315 |
| Precautionary statements | P264 - P280 - P302 + P352 - P332 + P313 - P362 + P364 |
| Hazard Codes | Xi |
| Risk Statements | 38 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | 338.0 °F |
| Flash Point(C) | 170 °C |
| Purity | ≥99.0% (GC); ≥99.0% |
| bp | 215 °C/4 mmHg (lit.) |
| Density | 0.92 g/mL at 20 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 26111700 |


