122-52-1
Product Name:
Triethyl phosphite
Formula:
C6H15O3P
Synonyms:
P(EtO)3;P(OEt)3;Triethylphosphite
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Triethyl phosphite appears as a clear colorless liquid with a strong foul odor. Flash point 130 °F. Less dense than water and insoluble in water. Vapors heavier than air. |
|---|---|
| Color/Form | Colorless liquid |
| Odor | Pungent odor |
| Boiling Point | 311 °F at 760 mmHg (USCG, 1999) |
| Melting Point | -112 °C |
| Flash Point | 115 °F (USCG, 1999) |
| Solubility | Soluble in alcohol, ether |
| Density | 0.969 (USCG, 1999) - Less dense than water; will float |
| Vapor Pressure | 1.95 mm Hg at 20 °C |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Autoignition Temperature | 250 °C |
| Decomposition | The substance decomposes on heating or on burning producing toxic fumes including phosphorous oxides. |
| Refractive Index | Index of refraction: 1.4127 at 20 °C/D |
| Kovats Retention Index | 922 922 |
| Other Experimental Properties | Decomposes when dissolved in water |
| Chemical Classes | Other Classes -> Phosphite Compounds |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Flame Flammables GHS02 ![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H302:Acute toxicity,oral H317:Sensitisation, Skin H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
COMPUTED DESCRIPTORS
| Molecular Weight | 166.16 g/mol |
|---|---|
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 6 |
| Exact Mass | 166.07588133 g/mol |
| Monoisotopic Mass | 166.07588133 g/mol |
| Topological Polar Surface Area | 27.7 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 55.7 |
| 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 phosphite appears as a clear colorless liquid with a strong foul odor. Flash point 130 °F. Less dense than water and insoluble in water. Vapors heavier than air.


