Sudan Yellow 3G

Sudan Yellow 3G
Names
	IUPAC name 3-Methyl-1-phenyl-4-(phenyldiazenyl)-1H-pyrazol-5(4H)-one
	Other names Solvent Yellow 16; C.I. disperse yellow; C.I. 12700; 4-phenylazo-1-phenyl-3-methyl-5-pyrazolone; 2,4-dihydro-5-methyl-2-phenyl-4-(phenylazo)-3H-pyrazol-3-one
Identifiers
CAS Number	4314-14-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	14850402 ;
ECHA InfoCard	100.022.119
UNII	N83897KOD7 ;
CompTox Dashboard (EPA)	DTXSID5052098 ;
	InChI InChI=1S/C16H14N4O/c1-12-15(18-17-13-8-4-2-5-9-13)16(21)20(19-12)14-10-6-3-7-11-14/h2-11,19H,1H3/b18-17+ Key: XOCUHWXGSSSCTJ-ISLYRVAYSA-N ; InChI=1/C16H14N4O/c1-12-15(18-17-13-8-4-2-5-9-13)16(21)20(19-12)14-10-6-3-7-11-14/h2-11,19H,1H3/b18-17+ Key: XOCUHWXGSSSCTJ-ISLYRVAYBE;
	SMILES CC=3NN(c1ccccc1)C(=O)C=3/N=N/c2ccccc2;
Properties
Chemical formula	C16H14N4O
Molar mass	278.315 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

Sudan Yellow a3G, also known as Solvent Yellow 16, C.I. disperse yellow and C.I. 12700, is a yellow azo dye. It is soluble in fats and oils.[1]

Sudan Yellow 3G is used as a pigment in cosmetics and printer toners, and as a dye in inks, including inks for inkjet printers. In pyrotechnics, it is used in some yellow colored smokes.[1]

References

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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[Ullmann-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.