Oil Blue A, also called Solvent Blue 36, Solvent Blue A, Oil Blue G, Blue AP, 1,4-bis(isopropylamino) anthraquinone, and CI 61551, is a blue dye derived from anthraquinone. It has the appearance of a dark bluish-violet powder, soluble in acetone, benzene, and toluene and insoluble in water, with melting point 133-135 °C.
Its CAS number is and its SMILES structure is O=C2c1ccccc1C (c3c2c(NC(C)C) ccc3NC(C)C)=O.
Oil Blue A is used as a dye for polystyrene and acrylic resins, and in petroleum and inks. It has good resistance to light.
A chemically similar dye is Solvent Blue 35.
Famous quotes containing the words blue a, oil and/or blue:
“So here they are, the dog-faced soldiers, the regulars, the fifty-cents-a-day professionals riding the outposts of the nation, from Fort Reno to Fort Apache, from Sheridan to Stark. They were all the same. Men in dirty-shirt blue and only a cold page in the history books to mark their passing. But wherever they rode and whatever they fought for, that place became the United States.”
—Frank S. Nugent (1908–1965)
“I bade, because the wick and oil are spent
And frozen are the channels of the blood....”
—William Butler Yeats (1865–1939)
“They said, “You have a blue guitar,
You do not play things as they are.”
The man replied, “Things as they are
Are changed upon a blue guitar.””
—Wallace Stevens (1879–1955)