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| Diethyl phosphite Basic information |
| Diethyl phosphite Chemical Properties |
| Melting point | -70 °C | | Boiling point | 50-51 °C/2 mmHg (lit.) | | density | 1.072 g/mL at 25 °C (lit.) | | vapor pressure | 7hPa at 20℃ | | refractive index | n20/D 1.407(lit.) | | Fp | 180 °F | | form | Liquid | | Specific Gravity | 1.072 | | color | Colorless | | Water Solubility | miscible (hydrolysis) | | Sensitive | Moisture Sensitive | | Hydrolytic Sensitivity | 7: reacts slowly with moisture/water | | BRN | 605759 | | Stability: | Stable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, strong bases. May decompose on exposure to moisture. Combustible. | | InChIKey | MJUJXFBTEFXVKU-UHFFFAOYSA-N | | LogP | -0.15 | | CAS DataBase Reference | 762-04-9(CAS DataBase Reference) | | NIST Chemistry Reference | Phosphonic acid, diethyl ester(762-04-9) | | EPA Substance Registry System | Diethyl phosphite (762-04-9) |
| Diethyl phosphite Usage And Synthesis |
| Chemical Properties | colourless liquid | | Uses | Diethyl phosphite (DEPI) is a versatile reactive intermediate used in the production of various phosphorus based substances. It may be used to prepare the nickel chloride-diethyl phosphite system, efficient catalyst for the cross-coupling reaction between various functionalized arylzinc halides and aryl bromides, triflates and activated chlorides.
It may be used:
- in the stereoselective synthesis of β-fluorinated alkylphosphonates
- Used in synthesis of homoallylic bromide
- Used in synthesis of series of carbazole-based α-aminophosphonates
- used as an extraction agent and phosphate intermediate.
- Used in synthesis of pesticides kitazine and phosethyl-Al as well as synthetic O, O-diethyl phosphoryl chloride.
- used for the synthesis of plasticizers, flame retardants, etc.
- Diethyl phosphite is reported to be chemical warfare agent (CWA) simulant, simulant for nerve agents sarin, soman, tabun, and VX.
| | Uses | Diethyl phosphite is precursor used for the synthesis of various organophosphorus compounds. used to prepare the nickel chloride-diethyl phosphite system, efficient catalyst for the cross-coupling reaction between various functionalized arylzinc halides and aryl bromides, triflates and activated chlorides. | | Definition | ChEBI: A phosphonic ester that is the diethyl ester of phosphonic acid. | | Synthesis Reference(s) | Synthetic Communications, 18, p. 665, 1988 DOI: 10.1080/00397918808077352 | | Synthesis Reference(s) | Tetrahedron Letters, 29, p. 3327, 1988 DOI: 10.1016/0040-4039(88)85153-0 | | General Description | Diethyl phosphite is reported to be chemical warfare agent (CWA) simulant, simulant for nerve agents sarin, soman, tabun, and VX. |
| Diethyl phosphite Preparation Products And Raw materials |
| Raw materials | Nitrogen-->Stirring vessel-->Oil pump | | Preparation Products | (S)-(-)-7,7'-BIS[DI(3,5-DIMETHYLPHENYL)PHOSPHINO]-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(R)-7,7'-BIS(DIPHENYLPHOSPHINO)-1,1'-SPIROBIINDANE-->Triethyl phosphite-->(R)-(+)-7,7'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(R)-(+)-7,7'-BIS[DI(4-METHYLPHENYL)PHOSPHINO]-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane ,97%-->4,4'-Vinylenedipyridine-->Iprobenfos-->(S)-(-)-2,2'-BIS(DI-P-TOLYLPHOSPHINO)-1,1'-BINAPHTHYL-->(R)-(+)-TolBINAP-->Diphenylphosphine oxide-->Fosetyl aluminum-->Foscarnet sodium-->Ethephon-->Diethyl chlorophosphate-->FOSAMINE AMMONIUM-->ETHYLPHOSPHONIC ACID-->Diethyl 3,5-di-tert-butyl-4-hydroxybenzyl phosphate-->PARAOXON-->DIETHYL PHOSPHATE-->2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole-->SODIUM O,O-DIETHYLTHIOPHOSPHATE |
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