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.
Famous quotes containing the word yellow:
“Don’t read much now: the dude
Who lets the girl down before
The hero arrives, the chap
Who’s yellow and keeps the store,
Seem far too familiar. Get stewed:
Books are a load of crap.”
—Philip Larkin (1922–1985)