Pigment yellow 83

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Structural formula
Structural formula of Pigment Yellow 83
General
Surname Pigment yellow 83
other names
  • 2,2 '- {[3,3'-Dichloro (1,1'-biphenyl) -4,4'-diyl] bis (azo) bis- N - (4-chloro-2,5-dimethoxyphenyl) -3 -oxobutyramide}
  • Pigment yellow 83
  • CI 21108 ( INCI )
Molecular formula C 36 H 32 Cl 4 N 6 O 8
Brief description

yellow solid

External identifiers / databases
CAS number 5567-15-7
EC number 226-939-8
ECHA InfoCard 100.024.491
PubChem 21733
ChemSpider 20428
Wikidata Q16977693
properties
Molar mass 818.50 g mol −1
Physical state

firmly

density

1.50 g cm −3

solubility

practically insoluble in water (<8.1 µg l −1 at 23 ° C)

safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
Toxicological data

> 2000 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 .

CI Pigment Yellow 83 is a chemical compound from the group of the disazo and diaryl - pigments .

Extraction and presentation

Pigment Yellow 83 is produced industrially by tetrazotization of 3,3'-dichlorobenzidine , followed by azo coupling to the acetoacetylated chloro-4-2,5-dimethoxyaniline recovered.

properties

Pigment Yellow 83 is a flammable, hardly ignitable, yellow solid that is practically insoluble in water. It decomposes when heated above 300 ° C. It has a crystal structure with space group P 2 1 / c (space group no. 14) or space group Pc (space group no. 7) . Template: room group / 14 Template: room group / 7

use

Pigment Yellow 83 is used as a reddish yellow pigment, for example for printing inks and plastics.

Individual evidence

  1. Entry on CI 21108 in the CosIng database of the EU Commission, accessed on March 31, 2020.
  2. a b c d e f g Entry on Pigment Yellow 83 in the GESTIS substance database of the IFA , accessed on March 30, 2020(JavaScript required) .
  3. a b Werner Baumann, Thomas Rothardt: Printing chemicals data and facts on environmental protection 2nd, expanded and revised edition . Springer-Verlag, 2013, ISBN 978-3-642-58474-9 , pp. 585 ( limited preview in Google Book search).
  4. External identifiers or database links for 4-chloro-2,5-dimethoxyaniline : CAS number: 6358-64-1, EC number: 228-782-0, ECHA -InfoCard: 100.026.165 , GESTIS- Substance database : 18700 , PubChem : 22833 , ChemSpider : 21398 , Wikidata : Q27289721 .
  5. ^ A b Martin U. Schmidt, Robert E. Dinnebier, Holger Kalkhof: Crystal Engineering on Industrial Diaryl Pigments Using Lattice Energy Minimizations and X-ray Powder Diffraction. In: The Journal of Physical Chemistry B. 111, 2007, p. 9722, doi : 10.1021 / jp071731p .
  6. Willy Herbst, Klaus Hunger: Industrial organic pigments production, properties, application . John Wiley & Sons, 2009, ISBN 3-527-62496-1 , pp. 261 ( limited preview in Google Book search).