Triethyl phosphate
ALDRICH/538728 - ReagentPlus®, ≥99.8%
Synonym: TEP; Ethyl phosphate
CAS Number: 78-40-0
Empirical Formula (Hill Notation): C6H15O4P
Molecular Weight: 182.15
EC Number: 201-114-5
MDL Number: MFCD00009077
Linear Formula: (C2H5O)3PO
Product Type: Chemical
| assay | ≥99.8% |
| autoignition temp. | 845 °F |
| bp | 215 °C (lit.) |
| density | 1.072 g/mL at 25 °C (lit.) |
| expl. lim. | 10 % |
| InChI | 1S/C6H15O4P/c1-4-8-11(7,9 |
| InChI key | DQWPFSLDHJDLRL-UHFFFAOYSA |
| product line | ReagentPlus® |
| refractive index | n |
| SMILES string | CCOP(=O)(OCC)OCC |
| vapor density | 6.28 (vs air) |
| vapor pressure | 1 mmHg ( 40 °C) |
| Application: | • Sensor Technology for Chemical Detection: Triethyl phosphate is utilized in the development of trisaryl phosphoric triamide-based resins for a quartz crystal microbalance sensor, enhancing the detection capabilities for sulfur mustard simulants, which is critical in chemical safety and environmental monitoring (Heo et al., 2024   ).• Flame-Retardant Bio-based Composites: Research highlights the use of triethyl phosphate in creating flame-retardant, energy-storage, and transparent bio-based composites, leveraging natural cellulose templates to enhance both safety and environmental sustainability (Li et al., 2024 ).• Environmental Biodegradation Studies: Triethyl phosphate is instrumental in a novel method for rapidly monitoring organophosphate flame retardants (OPFRs) by liquid-liquid extraction and gas chromatography-mass spectrometry, a significant advancement in environmental science for assessing biodegradation (Losantos et al., 2024 ). |
| General description: | Triethyl phosphate is an alkyl phosphate. It participates in the thermal transformation of sodium acetate-2-C14 to n-butyl acetate-2-C14. |
| Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Packaging: | 1, 4 L in poly bottle |
| Packaging: | 100 mL in poly bottle |
| Packaging: | 20 L in steel drum |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 - H319 |
| Precautionary statements | P301 + P312 + P330 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 22-36 |
| Safety Statements | 25-26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | 266.0 °F - closed cup |
| Flash Point(C) | 130 °C - closed cup |
| Purity | ≥99.8% |
| bp | 215 °C (lit.) |
| Density | 1.072 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |