Vat Yellow 4

Vat Yellow 4
Identifiers
CAS number 128-66-5 Y
PubChem 31412
ChemSpider 29142 Y
KEGG C19545 Y
Jmol-3D images Image 1
Properties
Molecular formula C24H12O2
Molar mass 332.35 g mol−1
Appearance viscous orange liquid
Density 1.418g/cm3
Boiling point

606.7 °C @ 760mmHg

Solubility in water soluble
Hazards
Main hazards Possible carcinogen
Flash point 219.93
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Vat Yellow 4 is a yellow synthetic anthraquinone vat dye. It has the appearance of a viscous orange liquid.

Vat Yellow 4 is used mostly as a dye for textiles and paper.

Together with benzanthrone, it is used in some older pyrotechnic compositions for green and yellow colored smokes.

Vat Yellow 4 is a Group 3 carcinogen according to the IARC, as the evidence of its carcinogenity to humans is inadequate.