A7681912
Triethyl phosphite , 98% , 122-52-1
Synonym(s):
P(EtO)3;P(OEt)3;Triethylphosphite
CAS NO.：122-52-1
Empirical Formula: C6H15O3P
Molecular Weight: 166.16
MDL number: MFCD00009084
EINECS: 204-552-5
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -112°C |
| Boiling point: | 65 °C |
| Density | 0.969 g/mL at 25 °C(lit.) |
| vapor pressure | <6 hPa (20 °C) |
| refractive index | n |
| Flash point: | 130 °F |
| storage temp. | Flammables area |
| solubility | Chloroform (Slightly), Dichloromethane (Slightly), Methanol (Slightly) |
| form | liquid |
| Specific Gravity | 0.969 |
| color | colorless |
| Odor | characteristic, obnoxious, phosphiteodor |
| explosive limit | 3.75-42.5%(V) |
| Water Solubility | slightly soluble |
| Sensitive | Air & Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 956578 |
| Dielectric constant | 10.9（65℃） |
| Stability: | Air Sensitive, Moisture Sensitive |
| CAS DataBase Reference | 122-52-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Phosphorous acid, triethyl ester(122-52-1) |
| EPA Substance Registry System | Triethyl phosphite (122-52-1) |
Description and Uses
Synthesis, plasticizers, stabilizers, lubricant and grease additives.
Safety
| Symbol(GHS) |   GHS02,GHS07 |
| Signal word | Warning |
| Hazard statements | H226-H302-H317-H412 |
| Precautionary statements | P210-P233-P273-P280-P301+P312-P303+P361+P353 |
| Hazard Codes | Xn |
| Risk Statements | 10-22-36/37/38-20/22 |
| Safety Statements | 16-26-36 |
| RIDADR | UN 2323 3/PG 3 |
| WGK Germany | 1 |
| RTECS | TH1130000 |
| F | 10-23 |
| Autoignition Temperature | 250 °C |
| TSCA | Yes |
| HS Code | 2920 24 00 |
| HazardClass | 3 |
| PackingGroup | III |
| Hazardous Substances Data | 122-52-1(Hazardous Substances Data) |
| Toxicity | LD50 orl-rat: 1840 mg/kg JACTDZ 1,218,92 |
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) |
