Indanthrone blue

  • Indanthren
  • 6,15- dihydro-5 ,9,14,18 - anthrazinetetron
  • C. I. Pigment Blue 60
  • C. I. 69800

Blue solid

Fixed

Template: Infobox chemical / molecular formula search available

Indanthrone is a molecule which by its catalytic and optical properties used in the research and development and is produced commercially by the dye industry. The molecule is derived from its structure from the polycyclic aromatic hydrocarbon naphtho [2,3- c] pentaphene. Four crystalline forms ( α, β, γ, δ ) is known, of which the α - modification is the most stable form.

The dye is known under the brand name Indanthren, which was filed after the discovery that had taken place in 1901 by BASF.

Representation

Indanthrone was first synthesized in 1901 by René Bohn by fusion of 2-amino -anthraquinone in alkali.

Properties

  • An organic semiconductor selected from the class of the conjugated molecules.
  • Nonlinear optical absorber
  • Colorant ( blue pigment )
  • Temperature resistance: 200 ° C

Use

Organic Semiconductors

The organic semiconductor is Indanthrone suitable eg as a photocatalyst for oxygen production from water using solar energy. In addition, Indanthrone can use, for example, in laser protection filters by his status as a non-linear light absorber as a so -called optical limiter (german optical limiter ).

Colored pigment

As a blue pigment (CI Pigment Blue 60) Indanthrone is mainly used in vat dyeing. Indanthrone is a synthetic vat dye with highest fastness of dyeings and prints especially for textile cellulosic fibers. The stained with Indanthronfarbstoffen fibers meet the highest standards and have excellent washing, cooking, light, weather and chlorine fastness.

CAS registry number Colourant Conjugated system Nonlinear optics Digital Object Identifier Integrated Authority File
411106
de