Isoindoline

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Structural formula
Structural formula of isoindoline
General
Surname Isoindoline
other names
  • 2,3-dihydro-1 H -isoindole
  • 2 H isoindole
Molecular formula C 8 H 9 N
Brief description

colorless liquid

External identifiers / databases
CAS number 496-12-8
EC number 628-708-0
ECHA InfoCard 100.156.955
PubChem 422478
Wikidata Q2598923
properties
Molar mass 119.16 g mol −1
Physical state

liquid

density

1.05 g cm −3 (25 ° C)

Melting point

17 ° C

boiling point

221 ° C

Refractive index

1.57 (20 ° C)

safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 315-319-335
P: 261-305 + 351 + 338
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

Isoindoline is a chemical compound from the group of heterocycles.

Extraction and presentation

Isoindoline can be obtained from phthalic anhydride with urea via isoindolinone .

Bornstein produced isoindoline by hydrolytic cleavage of 2- ( p -tolylsulfonyl) -isoindoline (made from o-xylylene dibromide and p-toluenesulfonamide ) with phenol and hydrobromic acid in propionic acid .

properties

Isoindoline is a colorless liquid.

use

Isoindoline derivatives are used as pigments for plastics and paints.

Individual evidence

  1. ^ A b c John L. Neumeyer: Facile Synthesis of Isoindoline and Substituted Isoindolines. In: Journal of Pharmaceutical Sciences. 53, 1964, p. 981, doi : 10.1002 / jps.2600530840 .
  2. ↑ a b c d e f g data sheet isoindoline, 97% from Sigma-Aldrich , accessed on August 11, 2018 ( PDF ).
  3. ^ CA Heaton: The Chemical Industry . Springer Science & Business Media, 2012, ISBN 978-94-011-1318-2 , pp. 170 ( limited preview in Google Book search).
  4. ↑ Willy Herbst, Klaus Hunger: Industrial Organic Pigments . John Wiley & Sons, 2009, ISBN 3-527-62496-1 , pp. 418 ( limited preview in Google Book search).