The CAS register number of 4-Hydroxy-6-methylamino-2-naphthalene sulfonic acid is 6259-53-6. It also can be called as 2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)- and the IUPAC name about this chemical is 4-hydroxy-6-(methylamino)naphthalene-2-sulfonic acid. The molecular formula about this chemical is C₁₁H₁₁NO₄S and molecular weight is 253.27.

Physical properties about 4-Hydroxy-6-methylamino-2-naphthalene sulfonic acid are: (1)ACD/LogP: -0.80; (2)ACD/LogD (pH 5.5): -4.1; (3)ACD/LogD (pH 7.4): -4.3; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 5; (9)#H bond donors: 3; (10)#Freely Rotating Bonds: 3; (11)Polar Surface Area: 64.22Ų; (12)Index of Refraction: 1.714; (13)Molar Refractivity: 64.46 cm³; (14)Molar Volume: 164.2 cm³; (15)Polarizability: 25.55x10^-24cm³; (16)Surface Tension: 77.3 dyne/cm.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(O)c2cc1ccc(cc1c(O)c2)NC
(2)InChI: InChI=1/C11H11NO4S/c1-12-8-3-2-7-4-9(17(14,15)16)6-11(13)10(7)5-8/h2-6,12-13H,1H3,(H,14,15,16)
(3)InChIKey: SEHCLGZKORRUKN-UHFFFAOYAB
(4)Std. InChI: InChI=1S/C11H11NO4S/c1-12-8-3-2-7-4-9(17(14,15)16)6-11(13)10(7)5-8/h2-6,12-13H,1H3,(H,14,15,16)
(5)Std. InChIKey: SEHCLGZKORRUKN-UHFFFAOYSA-N