3195-24-2

Name	Diallylmalonic acid diethyl ester
Synonyms	Diethyl diallylmalonate Diallylmalonic acid diethyl ester DIALLYLMALONIC ACID DIETHYL ESTER Diethyl-2-allyl-2-butenylmalonate Diethyl 2,2-diallylmalonate , Tech. Malonic acid, diallyl-, diethyl ester diethyl diprop-2-en-1-ylpropanedioate 2,2-(Diallyl)malonic acid diethyl ester Di-2-propenylpropanedioic acid diethyl ester Propanedioic acid, di-2-propenyl-, diethyl ester
CAS	3195-24-2
EINECS	221-696-4
InChI	InChI=1/C13H20O4/c1-5-9-13(10-6-2,11(14)16-7-3)12(15)17-8-4/h5-6H,1-2,7-10H2,3-4H3

Molecular Formula	C13H20O4
Molar Mass	240.3
Density	0.994 g/mL at 25 °C (lit.)
Boling Point	128-130 °C/12 mmHg (lit.)
Flash Point	>230°F
Water Solubility	Sparingly Soluble in water. (0.72 g/L) (25°C)
Solubility	Chloroform, DMSO, Methanol
Vapor Presure	4.266Pa at 25℃
Appearance	Oil
Color	Clear Colourless
BRN	1790529
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	n20/D 1.446(lit.)
MDL	MFCD00009126

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection
WGK Germany	3

LogP	3.46
Application	Diallyl malonate diethyl ester is an organic intermediate, which can be obtained by nucleophilic substitution of diethyl malonate and allyl bromide. The base can be selected from sodium hydrogen and sodium ethoxide.
use	diethyl diallyl malonate is a liquid substance, mainly used as medicine, raw materials and pesticide intermediates.
Preparation	To the mixture of diethyl malonate (10g,62.5 mmol) and allyl bromide (14.25g,187.5 mmol), 5-10°C, Under continuous stirring, slowly add a concentrated solution of sodium ethoxide (8.6g sodium 70 mL ethanol solution). After adding sodium ethoxide, stir the reaction mixture at the same temperature for another 1 hour, then remove the cold water bath, and stir the mixture overnight at room temperature. Excess solvent was removed, the residue was added to water and extracted with ethyl acetate. The organic phase is dried by Na2SO4 and evaporated to give a light yellow liquid. The crude substance is purified by vacuum distillation to obtain a colorless liquid.

Last Update：2024-04-10 22:29:15

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3195-24-2

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