Oil Blue A

Oil Blue A
Names
	Preferred IUPAC name 1,4-Bis[(propan-2-yl)amino]anthracene-9,10-dione
	Other names Unisol Blue AS; Solvent Blue 36; Solvent Blue A; Oil Blue G; Blue AP; CI 61551;
Identifiers
CAS Number	14233-37-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	55619;
EC Number	238-101-9;
MeSH	C018468
PubChem CID	61719;
UNII	NEH7L3Y1P1 ;
	InChI InChI=1S/C20H22N2O2/c1-11(2)21-15-9-10-16(22-12(3)4)18-17(15)19(23)13-7-5-6-8-14(13)20(18)24/h5-12,21-22H,1-4H3 Key: BLFZMXOCPASACY-UHFFFAOYSA-N; InChI=1/C20H22N2O2/c1-11(2)21-15-9-10-16(22-12(3)4)18-17(15)19(23)13-7-5-6-8-14(13)20(18)24/h5-12,21-22H,1-4H3 Key: BLFZMXOCPASACY-UHFFFAOYAP;
	SMILES O=C2c1ccccc1C(c3c2c(NC(C)C)ccc3NC(C)C)=O;
Properties
Chemical formula	C20H22N2O2
Molar mass	322.408 g·mol−1
Melting point	133–135 °C (271–275 °F; 406–408 K)
Solubility in water	insoluble
Solubility	acetone, benzene, and toluene
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Oil Blue A is a blue anthraquinone dye used for colouring certain plastics such as polystyrene and acrylic resins, as well as other materials such as petroleum and inks. It has good resistance to light.

See also