The 1,3-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, with the CAS registry number 82-47-3, is also known as 1-Amino-8-naphthol-2,4-disulfonic acid. It belongs to the product categories of Intermediates of Dyes and Pigments. Its EINECS registry number is 201-425-6. This chemical's molecular formula is C₁₀H₉NO₇S₂ and molecular weight is 319.311. What's more, both its IUPAC name and systematic name are the same which is 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid.

Physical properties about 1,3-Naphthalenedisulfonicacid, 4-amino-5-hydroxy- are: (1)ACD/LogP: 0.15; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -4.35; (4)ACD/LogD (pH 7.4): -4.39; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 8; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 115.97 Å²; (13)Index of Refraction: 1.764; (14)Molar Refractivity: 70.15 cm³; (15)Molar Volume: 169.8 cm³; (16)Polarizability: 27.81×10^-24 cm³; (17)Surface Tension: 104.7 dyne/cm; (18)Density: 1.88 g/cm³.

You can still convert the following datas into molecular structure:
(1) SMILES: O=S(=O)(O)c1c(N)c2c(c(c1)S(=O)(=O)O)cccc2O
(2) InChI: InChI=1/C10H9NO7S2/c11-10-8(20(16,17)18)4-7(19(13,14)15)5-2-1-3-6(12)9(5)10/h1-4,12H,11H2,(H,13,14,15)(H,16,17,18)
(3) InChIKey: ZFRBZRZEKIOGQI-UHFFFAOYAA