78-40-0
Product Name:
Triethyl phosphate
Formula:
C6H15O4P
Synonyms:
Ethyl phosphate;Phosphoric acid triethyl ester, TEP;TEP;Triethyl phosphate
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Triethyl phosphate appears as a colorless, corrosive liquid. Combustible. Slowly dissolves in water and sinks in water. Severely irritates skin, eyes and mucous membranes. |
|---|---|
| Color/Form | Liquid |
| Odor | Mild |
| Boiling Point | 419 to 421 °F at 760 mmHg ; 217 °F at 25 mmHg (NTP, 1992) |
| Melting Point | -69.5 °F (NTP, 1992) |
| Flash Point | 240 °F (NTP, 1992) |
| Solubility | Soluble, slight decomposition (NTP, 1992) |
| Density | 1.068 (USCG, 1999) - Denser than water; will sink |
| Vapor Density | 6.28 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 1 mmHg at 103.3 °F (NTP, 1992) |
| LogP | log Kow = 0.80 |
| Henry's Law Constant | Henry's Law constant = 3.60X10-8 atm-cu m/mol at 20 °C |
| Stability/Shelf Life | Very stable at ordinary temperatures. |
| Autoignition Temperature | 845 °F (USCG, 1999) |
| Decomposition | When heated to decomposition it emits toxic fumes of /phosphorus oxides/. |
| Viscosity | 1.46 cSt at 25 °C |
| Surface Tension | 3.82X10-2 N/m at 216 K |
| Refractive Index | Index of refraction = 1.4053 at 20 °C |
| Collision Cross Section | 150.93 Ų [M+Na]+ 192.65 Ų [2M+Na]+ 132.63 Ų [M+H]+ |
| Kovats Retention Index | 1090 1091 1088 1090.7 1091 1079 1081 1109 1108 1096 1087 1090.5 1091 1109 1109 1097.1 |
| Other Experimental Properties | Liquid molar volume = 0.1708 cu-m/kmol; Enthalpy Heat of Formation = -1.245X10+9 J/kmol |
| Chemical Classes | Other Classes -> Organophosphates, Other |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
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
| Molecular Weight | 182.15 g/mol |
|---|---|
| XLogP3 | 0.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 6 |
| Exact Mass | 182.07079595 g/mol |
| Monoisotopic Mass | 182.07079595 g/mol |
| Topological Polar Surface Area | 44.8 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 113 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Triethyl phosphate appears as a colorless, corrosive liquid. Combustible. Slowly dissolves in water and sinks in water. Severely irritates skin, eyes and mucous membranes.