Maleic acid dimethyl ester

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Structural formula
Structural formula of maleic acid dimethyl ester
General
Surname Maleic acid dimethyl ester
other names
  • Ethenedicarboxylic acid dimethyl ester
  • ( Z ) -2-Butenedioic acid dimethyl ester
  • Dimethyl maleate
Molecular formula C 6 H 8 O 4
Brief description

colorless liquid

External identifiers / databases
CAS number 624-48-6
EC number 210-848-5
ECHA InfoCard 100,009,862
PubChem 5271565
Wikidata Q2377169
properties
Molar mass 144.13 g mol −1
Physical state

liquid

density

1.16 g cm −3

Melting point

−18 ° C

boiling point

201 ° C

Vapor pressure

0.67 hPa (25 ° C)

solubility

soluble in water (80 g l −1 at 25 ° C)

Refractive index

1.441 (20 ° C)

safety instructions
GHS labeling of hazardous substances
07 - Warning 08 - Dangerous to health

Caution

H and P phrases H: 302-317-319-335-373
P: 280-301 + 312 + 330-304 + 340 + 312-305 + 351 + 338-333 + 313-337 + 313
Toxicological data
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

Maleic acid dimethyl ester is a chemical compound from the group of carboxylic acid esters and isomeric to fumaric acid dimethyl ester .

Extraction and presentation

Maleic acid dimethyl ester can be obtained by reacting maleic anhydride with methanol with an acid catalyst.

Synthesis of maleic acid dimethyl ester

properties

Maleic acid dimethyl ester is a flammable, little volatile, colorless liquid that is soluble in water.

use

Maleic acid dimethyl ester is used as a component of the solvent-free coating compound as a protective layer for paper.

Related links

Individual evidence

  1. a b c d e f g h i j Entry on dimethyl maleate in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .
  2. a b c data sheet Dimethyl maleate, 96% from Sigma-Aldrich , accessed on January 2, 2013 ( PDF ).
  3. Jonathan Clayden, Nick Greeves, Stuart Warren: Organic Chemistry . Oxford University Press, 2012, ISBN 0-19-927029-5 , pp. 679 ( limited preview in Google Book search).
  4. Werner Baumann, Herberg-Liedtke: Paper chemicals data and facts on environmental protection . Springer-Verlag, 2013, ISBN 978-3-642-58040-6 , pp. 305 ( limited preview in Google Book Search).