Solvent Yellow 56

Solvent Yellow 56 is the organic compound N,N-diethyl-p-(phenylazo)aniline. It is an azo dye, which has the appearance of a reddish yellow powder. Its EINECS number is 219-616-8.[1] Its structure is similar to Solvent Yellow 124, which used as a fuel dye in European Union, and to Aniline Yellow.

Solvent Yellow 56
Names
Other names
Solvent yellow 56
C.I. 11021
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.017.834
UNII
  • InChI=1S/C16H19N3/c1-3-19(4-2)16-12-10-15(11-13-16)18-17-14-8-6-5-7-9-14/h5-13H,3-4H2,1-2H3/b18-17+ checkY
    Key: SJJISKLXUJVZOA-ISLYRVAYSA-N checkY
  • InChI=1/C16H19N3/c1-3-19(4-2)16-12-10-15(11-13-16)18-17-14-8-6-5-7-9-14/h5-13H,3-4H2,1-2H3/b18-17+
    Key: SJJISKLXUJVZOA-ISLYRVAYBE
  • N(=N/c1ccc(N(CC)CC)cc1)\c2ccccc2
Properties
C16H19N3
Molar mass 253.349 g·mol−1
Melting point 168 °C (334 °F; 441 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Uses

It is used to dye hydrocarbon solvents, oils, fats, waxes (candles), notably petrol, mineral oil and shoe polishes, and polystyrene resins. In pyrotechnics, it is used in some yellow colored smokes, reflecting its tendency to sublime.[1]

References
  1. Hunger, Klaus; Mischke, Peter; Rieper, Wolfgang; Raue, Roderich; Kunde, Klaus; Engel, Aloys (2005). "Azo Dyes". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a03_245.
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