Solvent Yellow 124

Solvent Yellow 124 is a yellow azo dye used in European Union as a fuel dye. It is a marker used since August 2002 to distinguish diesel fuel intended for heating from a higher-taxed motor diesel fuel. It is added to fuels not intended for motor vehicles in amounts of 6 mg/L or 7 mg/kg under the name Euromarker.

Solvent Yellow 124
Names
IUPAC name
N-Ethyl-N-[2-[1-(2-methylpropoxy)ethoxy]ethyl]-4-phenyldiazenylaniline
Other names
SY124; Sudan 455; Somalia Yellow; T10 Yellow LBN; C.I. 111155
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.047.277
UNII
  • InChI=1S/C22H31N3O2/c1-5-25(15-16-26-19(4)27-17-18(2)3)22-13-11-21(12-14-22)24-23-20-9-7-6-8-10-20/h6-14,18-19H,5,15-17H2,1-4H3/b24-23+ Y
    Key: BATVZJPOLFSGTD-WCWDXBQESA-N Y
  • InChI=1/C22H31N3O2/c1-5-25(15-16-26-19(4)27-17-18(2)3)22-13-11-21(12-14-22)24-23-20-9-7-6-8-10-20/h6-14,18-19H,5,15-17H2,1-4H3/b24-23+
    Key: BATVZJPOLFSGTD-WCWDXBQEBJ
  • N(=N/c1ccc(N(CCOC(OCC(C)C)C)CC)cc1)\c2ccccc2
Properties
C22H31N3O2
Molar mass 369.509 g·mol−1
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
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