The Acid Blue 138, with the CAS registry number 1324-53-4, is also known as Disodium 1-amino-4-(4-dodecylsulphonatoanilino)-9,10-dihydro-9,10-dioxoanthracene-2-sulphonate. Its EINECS number is 215-377-9. This chemical's molecular formula is C₃₂H₃₆N₂Na₂O₈S₂ and molecular weight is 686.75. What's more, its systematic name is Disodium 1-amino-4-[(4-dodecyl-2-sulfonatophenyl)amino]-9,10-dioxo-9,10-dihydro-2-anthracenesulfonate.

Physical properties of Acid Blue 138 are: (1)ACD/LogP: 8.071; (2)# of Rule of 5 Violations: 4; (3)ACD/LogD (pH 5.5): 3.57; (4)ACD/LogD (pH 7.4): 3.57; (5)ACD/BCF (pH 5.5): 25.37; (6)ACD/BCF (pH 7.4): 25.37; (7)ACD/KOC (pH 5.5): 18.53; (8)ACD/KOC (pH 7.4): 18.53; (9)#H bond acceptors: 10; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 16; (12)Polar Surface Area: 166.12 Å².

You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[Na+].[O-]S(=O)(=O)c1cc(ccc1Nc4c3C(=O)c2ccccc2C(=O)c3c(c(c4)S([O-])(=O)=O)N)CCCCCCCCCCCC
(2)Std. InChI: InChI=1S/C32H38N2O8S2.2Na/c1-2-3-4-5-6-7-8-9-10-11-14-21-17-18-24(26(19-21)43(37,38)39)34-25-20-27(44(40,41)42)30(33)29-28(25)31(35)22-15-12-13-16-23(22)32(29)36;;/h12-13,15-20,34H,2-11,14,33H2,1H3,(H,37,38,39)(H,40,41,42);;/q;2*+1/p-2
(3)Std. InChIKey: WIWGQTZNHNTAOB-UHFFFAOYSA-L