Diethyl fumarate

from Wikipedia, the free encyclopedia
Structural formula
Structural formula of diethyl fumarate
General
Surname Diethyl fumarate
other names

Diethyl fumarate

Molecular formula C 8 H 12 O 4
Brief description

light yellow liquid

External identifiers / databases
CAS number 623-91-6
ECHA InfoCard 100.009.836
PubChem 638144
ChemSpider 553702
Wikidata Q27159582
properties
Molar mass 172.18 g mol −1
Physical state

liquid

density

1.052 g cm −3 (25 ° C)

Melting point

1-2 ° C

boiling point

218-219 ° C

Vapor pressure

250 Pa (25 ° C)

solubility
  • sparingly soluble in water (3.1 g l −1 at 25 ° C)
  • soluble in acetone and chloroform
Refractive index

1.44 (20 ° C)

safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 302
P: no P-phrases
Toxicological data

1780 mg kg −1 ( LD 50ratoral )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

Diethyl fumarate is a chemical compound from the group of carboxylic acid esters .

Extraction and presentation

Fumarate can be obtained by esterification of fumaric acid with ethanol are obtained.

properties

The light yellow liquid is sparingly soluble in water, but soluble in acetone and chloroform .

use

Diethyl fumarate is used as an intermediate for plasticizers , flavorings and surface coatings. It is an important raw material and intermediate for the organic synthesis of pharmaceuticals, agrochemicals and dyes. Diethyl fumarate is used as a dienophile in Diels-Alder reactions . It is also used as a solvent in organic synthesis.

Individual evidence

  1. a b c d e f g h i j data sheet Diethyl fumarate, 98% from Sigma-Aldrich , accessed on December 16, 2018 ( PDF ).
  2. a b OECD: SIDS Initial Assessment Report , SIAM 4 Tokyo, 20-22 May 1996
  3. a b c data sheet Diethyl fumarate, 98% from AlfaAesar, accessed on December 16, 2018 ( PDF )(JavaScript required) .
  4. Entry on Diethyl fumarate in the Hazardous Substances Data Bank , accessed December 16, 2018.