Oil Blue A

Oil Blue A
	Skeletal formula
	Ball-and-stick model
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;
ECHA InfoCard	100.034.622
EC Number	238-101-9;
MeSH	C018468
PubChem CID	61719;
UNII	NEH7L3Y1P1 ;
CompTox Dashboard (EPA)	DTXSID2041250 ;
	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^[1] 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.^[1]

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