Chinese name: chlorine diethyl phosphite
Chinese synonyms: chloride, diethyl phosphate; chloro diethyl phosphate, diethyl phosphate; chlorine; chlorophosphonazo diethyl ester; chlorinated dimethyl phosphite; diethyl chloro-phosphate; O, O-two ethyl phosphorus chloride
English name: Diethyl chlorophosphate
Synonyms: Phosphorochloridic acid, diethyl ester; AURORA KA-1 634; CHLOROPHOSPHORIC the ACID DIETHYL ESTER; DIETHYL PHOSPHOROCHLORIDATE; DIETHYL PHOSPHORYL CHLORIDE; DIETHYL CHLOROPHOSPHATE; ai3-18 557 [qr]; Chlorodiethoxyphosphine oxide,
CAS No.: 814-49-3
Molecular formula: C4H10ClO3P
Molecular Weight: 172.55
The nature of the chloride diethyl phosphite
Boiling Point: 60 ° C2 mm of Hg (lit.)
Density: 1.194 g / mL at 25 ° C (lit.)
Vapor Density: 5.94 (vs air)
Vapor Pressure: 0.1 mm Hg (25 ° C)
Refractive index: n20 / D 1.416 (lit.)
Flash Point: 142 ° F
Storage conditions: 2-8 ° C.
Production methods
O, O-two ethyl phosphorus chloride synthesis methods commonly used in two ways: one is ethanol with phosphorus trichloride first esterification to generate diethyl phosphite, and then the chlorine chloride; another ethanol and phosphorus oxychloride step synthesis. Generally use the first method. 500mL three flask fitted with stirrer, thermometer, dropping funnel was added to industrial alcohol 70g, cooled to below 5 ℃ in an ice-salt bath, start the vacuum mercury, and the degree of vacuum of 80 kPa, dropping three in the liquid under phosphorus trichloride 72g, dropwise, immediately pass chlorine to chloride, the vacuum can be appropriately reduced. About 0.5h after the pass chlorine, the reaction solution changed from colorless to yellow-green, the reaction temperature decreased, that is, the reaction end. Stop the pass chlorine to improve the vacuum, slow heating through dry air bubbling to exclude the excess chlorine and the reaction of hydrogen chloride, ie 80 ~ 90g, yield, content of more than 85%.
Chinese synonyms: chloride, diethyl phosphate; chloro diethyl phosphate, diethyl phosphate; chlorine; chlorophosphonazo diethyl ester; chlorinated dimethyl phosphite; diethyl chloro-phosphate; O, O-two ethyl phosphorus chloride
English name: Diethyl chlorophosphate
Synonyms: Phosphorochloridic acid, diethyl ester; AURORA KA-1 634; CHLOROPHOSPHORIC the ACID DIETHYL ESTER; DIETHYL PHOSPHOROCHLORIDATE; DIETHYL PHOSPHORYL CHLORIDE; DIETHYL CHLOROPHOSPHATE; ai3-18 557 [qr]; Chlorodiethoxyphosphine oxide,
CAS No.: 814-49-3
Molecular formula: C4H10ClO3P
Molecular Weight: 172.55
The nature of the chloride diethyl phosphite
Boiling Point: 60 ° C2 mm of Hg (lit.)
Density: 1.194 g / mL at 25 ° C (lit.)
Vapor Density: 5.94 (vs air)
Vapor Pressure: 0.1 mm Hg (25 ° C)
Refractive index: n20 / D 1.416 (lit.)
Flash Point: 142 ° F
Storage conditions: 2-8 ° C.
Production methods
O, O-two ethyl phosphorus chloride synthesis methods commonly used in two ways: one is ethanol with phosphorus trichloride first esterification to generate diethyl phosphite, and then the chlorine chloride; another ethanol and phosphorus oxychloride step synthesis. Generally use the first method. 500mL three flask fitted with stirrer, thermometer, dropping funnel was added to industrial alcohol 70g, cooled to below 5 ℃ in an ice-salt bath, start the vacuum mercury, and the degree of vacuum of 80 kPa, dropping three in the liquid under phosphorus trichloride 72g, dropwise, immediately pass chlorine to chloride, the vacuum can be appropriately reduced. About 0.5h after the pass chlorine, the reaction solution changed from colorless to yellow-green, the reaction temperature decreased, that is, the reaction end. Stop the pass chlorine to improve the vacuum, slow heating through dry air bubbling to exclude the excess chlorine and the reaction of hydrogen chloride, ie 80 ~ 90g, yield, content of more than 85%.
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