The 6-Hydroxy-5H-pyrrolo[3,4-b]pyridine-5,7(6H)-dione ,its cas register number is 2537-62-4. It also can be called as N-[2-[(2-Bromo-6-cyano-4-nitrophenyl)azo]-5-(diethylamino)phenyl]acetamide . The IPUAC name about this chemicals is N-[2-[(2-bromo-6-cyano-4-nitrophenyl)diazenyl]-5-(diethylamino)phenyl] acetamide . The index of refraction about it is 1.639, molar refractivity is 113.55 cm³ , molar volume is 315.5 cm³ and surface tension is 52.8 dyne/cm, also, it have other chemical properties, for example, the enthalpy of vaporization about this chemicals is 100.48 kJ/mol, vapour pressure is 1.26E-18 mmHg at 25°C and so on.It belongs to the Organics product category.

The 6-Hydroxy-5H-pyrrolo[3,4-b]pyridine-5,7(6H)-dione is a blue dye, it slightly soluble in alcohol, insoluble in water. Also it can be used for polyester and blended fabric dye and print.

This chemicals can be described computed from structure:
1) Canonical SMILES: CCN(CC)C1=CC(=C(C=C1)N=NC2=C(C=C(C=C2C#N)[N+](=O)[O-])Br)NC(=O)C
2) InChI: InChI=1S/C19H19BrN6O3/c1-4-25(5-2)14-6-7-17(18(10-14)22-12(3)27)23-24-19-13(11-21)8-15(26(28)29)9-16(19)20/h6-10H,4-5H2,1-3H3,(H,22,27)
3) InChIKey: KTXMBTRTVMMWQS-UHFFFAOYSA-N