The Naphthol AS-BI phosphate disodium salt, its cas register number is 530-79-0. It also can be called as Disodium 7-bromo-N-(2-methoxyphenyl)-3-(phosphonatooxy)naphthalene-2-carboxamidate and the IUPAC name about this chemical is disodium [6-bromo-3-[(2-methoxyphenyl)carbamoyl]naphthalen-2-yl] phosphate. If you want to store this chemical, the temperature must below -20°C and must keep it under argon.

Physical properties about Naphthol AS-BI phosphate disodium salt are: (1)H-Bond Donor: 1; (2)H-Bond Acceptor: 6; (3)Rotatable Bond Count: 4; (4)Tautomer Count: 2; (5)Exact Mass: 494.945926; (6)MonoIsotopic Mass: 494.945926; (7)Topological Polar Surface Area: 111; (8)Heavy Atom Count: 29; (9)Complexity: 561; (10)Covalently-Bonded Unit Count: 3

When you are using this chemical, please be cautious. You need remeber not breathe dust and avoid contact with skin and eyes.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: COC1=CC=CC=C1NC(=O)C2=C(C=C3C=CC(=CC3=C2)Br)OP(=O)([O-])[O-].[Na+].[Na+]
(2)InChI: InChI=1S/C18H15BrNO6P.2Na/c1-25-16-5-3-2-4-15(16)20-18(21)14-9-12-8-13(19)7-6-11(12)10-17(14)26-27(22,23)24;;/h2-10H,1H3,(H,20,21)(H2,22,23,24);;/q;2*+1/p-2 
(3)InChIKey: HESHHBAVKCAKQF-UHFFFAOYSA-L