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20039-33-2

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20039-33-2 Structure

20039-33-2 Structure
IdentificationBack Directory
[Name]

DIETHOXYPHOSPHINYL ISOCYANATE
[CAS]

20039-33-2
[Synonyms]

DIETHYL ISOCYANATOPHOSPHATE
diethoxyphosphorylisocyanate
DIETHOXYPHOSPHINYL ISOCYANATE
Diethyl isocyanatidophosphate
DIETHYL PHOSPHORISOCYANATIDATE
diethoxyphosphorylimino-keto-methane
phosphorisocyanatidicacid,diethylester
1-(ethoxy-isocyanatophosphoryl)oxyethane
1-(ethoxy-isocyanato-phosphoryl)oxyethane
[Molecular Formula]

C5H10NO4P
[MDL Number]

MFCD00075544
[MOL File]

20039-33-2.mol
[Molecular Weight]

179.11
Chemical PropertiesBack Directory
[Boiling point ]

85-87 °C10 mm Hg(lit.)
[density ]

1.165 g/mL at 25 °C(lit.)
[refractive index ]

n20/D 1.416(lit.)
[Fp ]

119 °F
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

10-20/21/22-36/37/38
[Safety Statements ]

16-23-26-28-36/37/39
[RIDADR ]

UN 3080 6.1/PG 2
[WGK Germany ]

3
[RTECS ]

TD1250000
[HazardClass ]

3.2
[PackingGroup ]

III
Hazard InformationBack Directory
[Uses]

Diethoxyphosphinyl Isocyanate is an intermediate for organic synthesis. Diethoxyphosphinyl Isocyanate is toxic, cytogenetic and embryotoxic to different mice strains.
[Preparation]

A solution of diethyl phosphoramidate (30.6 g, 0.2 mol) in tetrachloromethane (50 mL) was slowly added dropwise with stirring and efficient external cooling to a solution of oxalyl chloride (27.9 g, 0.22 mol) in the same solvent (150 mL). The reaction temperature was kept at -5 to 0 °C. After completion of the addition, the temperature of the mixture was slowly increased to 50 °C and this was maintained for 1 h. The mixture was then cooled to room temperature, filtered, and concentrated in vacuo. The residual liquid product was distilled in vacuo (bp 85–87 °C/10 Torr); yield 22.9 g (64%).
[General Description]

Diethoxyphosphinyl isocyanate is an isocyanate derivative. It has been investigated for its performance as film forming electrolyte additive in propylene carbonate (PC) and EC/EMC-based electrolytes.
Spectrum DetailBack Directory
[Spectrum Detail]

DIETHOXYPHOSPHINYL ISOCYANATE(20039-33-2)1HNMR
DIETHOXYPHOSPHINYL ISOCYANATE(20039-33-2)IR
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