Ethylenediaminetetraacetic acid CAS NO.60-00-4

Hebei yanxi chemical co. LTD.  has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. 
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Introduction 

Diisopropyl malonate

Chinese synonyms: Ethylenediaminetetraacetic acid

English synonyms: Ethylenediaminetetraacetic acid

EINECS no. 236-156-3 [1]

Molecular weight: 188.22

Chemical properties

Boiling point: 93-95 ° C12 mm Hg

Diisopropyl malonate

Diisopropyl malonate

Density: 0.991 g/mL at 25 ° C

Refractive index: n20/D 1.412

Flash: 192 ° F

Malonic acid diisopropyl ester refinement is colorless transparent liquid, with ester aroma, industrial products, slightly yellow, b.p. 99 ~ 100 ℃ / 177.8 Pa, n20D 1.4120, relative density 0.991, soluble in water, soluble in ether, benzene, ether and other organic solvents.

Use and production process

use

Diisopropyl malonate is the intermediate of diisopropyl, a fungicide, rinderol.

Used as medicine and pesticide intermediates.

Production methods

The preparation method is adding malonic acid sodium in the reaction kettle, benzene, and isopropyl alcohol, in 60 ~ 70 ℃ and sulfuric acid on the esterification reaction of 3 ~ 4 h.After the reaction, the diisopropyl malonate crude product was cooled and pumped into the washing kettle for washing and alkaline cleaning. The material solution was separated from the separator and then the product was dissolute and distilled.