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Disperse Yellow 56

From Wikipedia, the free encyclopedia
Disperse Yellow 56
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.132.854 Edit this at Wikidata
EC Number
  • 611-091-7
  • InChI=1S/C21H15N5O2/c27-20-17-8-4-5-9-18(17)22-21(28)19(20)26-25-16-12-10-15(11-13-16)24-23-14-6-2-1-3-7-14/h1-13H,(H2,22,27,28)
    Key: GZCKCZAMIMLHDK-UHFFFAOYSA-N
  • C1=CC=C(C=C1)N=NC2=CC=C(C=C2)N=NC3=C(C4=CC=CC=C4NC3=O)O
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Disperse Yellow 56 is a disazo dye from the group of disperse dyes that is used in the textile industry for dyeing polyester.[1]

Properties

[edit]

The dye may be carcinogenic due to reductive cleavage into carcinogenic arylamines.[2] Therefore, the use of disperse dyes such as Disperse Yellow 56, Disperse Yellow 23, Disperse Yellow 7, and Disperse Red 151, which are derived from p-aminoazobenzene, is highly restricted, and they are included on the Restricted Substances List (RSL) of organizations such as the Apparel and Footwear International RSL Management Group (AFIRM).[3][4]

References

[edit]
  1. ↑ "Disperse Yellow 56". World dye variety. Retrieved 2022-11-05.
  2. ↑ BESCHLUSS (EU) 2016/1332 DER KOMMISSION vom 28. Juli 2016 zur Festlegung der Umweltkriterien für die Vergabe des EU-Umweltzeichens für Möbel (PDF)
  3. ↑ Rainer Hamprecht, Aloys Westerkamp (2000), "Disperse Dyes", Ullmann's Encyclopedia of Industrial Chemistry, Weinheim, Germany: Wiley-VCH Verlag & Co. KGaA, p. 338, doi:10.1002/14356007.a08_565, ISBN 978-3-527-30385-4
  4. ↑ AFIRM Group, ed. (2021), RESTRICTED SUBSTANCES LIST (PDF) (in German), p. 22, retrieved 2022-11-05