The CAS register number of 4,4'-Biphenyldisulphonic acid is 5314-37-4. It also can be called as [1,1'-Biphenyl]-4,4'-disulfonicacid and the IUPAC name about this chemical is 4-(4-sulfophenyl)benzenesulfonic acid. The molecular formula about this chemical is C₁₂H₁₀O₆S₂ and molecular weight is 314.33. It belongs to the following product categories, such as Biphenyls (for High-Performance Polymer Research); Functional Materials; Reagent for High-Performance Polymer Research and so on.

Physical properties about 4,4'-Biphenyldisulphonic acid are: (1)ACD/LogP: 0.30; (2)ACD/LogD (pH 5.5): -4.2; (3)ACD/LogD (pH 7.4): -4.2; (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: 6; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 3; (11)Polar Surface Area: 103.5Ų; (12)Index of Refraction: 1.64; (13)Molar Refractivity: 72.15 cm³; (14)Molar Volume: 200.2 cm³; (15)Polarizability: 28.6x10^-24cm³; (16)Surface Tension: 64.3 dyne/cm.

Uses of 4,4'-Biphenyldisulphonic acid: it can be used to produce biphenyl-4,4'-disulfonyl dichloride. This reaction will need reagent PCl₅.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(O)c1ccc(cc1)c2ccc(cc2)S(=O)(=O)O
(2)InChI: InChI=1/C12H10O6S2/c13-19(14,15)11-5-1-9(2-6-11)10-3-7-12(8-4-10)20(16,17)18/h1-8H,(H,13,14,15)(H,16,17,18)
(3)InChIKey: ABSXMLODUTXQDJ-UHFFFAOYAB
(4)Std. InChI: InChI=1S/C12H10O6S2/c13-19(14,15)11-5-1-9(2-6-11)10-3-7-12(8-4-10)20(16,17)18/h1-8H,(H,13,14,15)(H,16,17,18)
(5)Std. InChIKey: ABSXMLODUTXQDJ-UHFFFAOYSA-N