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 Y
3D model (JSmol)	Interactive image
ChemSpider	55619
ECHA InfoCard	100.034.622
EC Number	238-101-9
MeSH	C018468
PubChem CID	61719
UNII	NEH7L3Y1P1 Y
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]