# Oil Blue A

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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 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

Chemical compound

**Oil Blue A** is a blue [anthraquinone dye](/source/Anthraquinone_dye)[1] used for [colouring](/source/Plastic_colorant) certain [plastics](/source/Plastics) such as [polystyrene](/source/Polystyrene) and [acrylic resins](/source/Acrylic_resin), as well as other materials such as [petroleum](/source/Petroleum) and [inks](/source/Ink). It has good [resistance to light](/source/Photostability).[1]

## See also

- [Oil Blue 35](/source/Oil_Blue_35)

## References

1. ^ [***a***](#cite_ref-:0_1-0) [***b***](#cite_ref-:0_1-1) ["Oil Blue A - Royce Global"](https://polymer-additives.specialchem.com/product/p-royce-global-oil-blue-a). *polymer-additives.specialchem.com*. Retrieved 2022-11-23.

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Adapted from the Wikipedia article [Oil Blue A](https://en.wikipedia.org/wiki/Oil_Blue_A) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Oil_Blue_A?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.