The Sulfosuccinic acid, with CAS registry number 5138-18-1, has the systematic name of 2-sulfobutanedioic acid. This chemical is a kind of viscous colourless liquid. Its classification code is TSCA Flag P [A commenced PMN (Premanufacture Notice) substance]. And the chemical formula of this chemical is C₄H₆O₇S. What's more, its EINECS is 225-898-3.

Physical properties of Sulfosuccinic acid: (1)ACD/LogP: -1.90; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -6.96; (4)ACD/LogD (pH 7.4): -7.62; (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: 7; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 104.35 Å²; (13)Index of Refraction: 1.58; (14)Molar Refractivity: 34.19 cm³; (15)Molar Volume: 102.7 cm³; (16)Polarizability: 13.55×10^-24cm³; (17)Surface Tension: 109.3 dyne/cm; (18)Density: 1.928 g/cm³.

When you are using this chemical, please be cautious about it as the following:
The Sulfosuccinic acid may cause burns. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)C(CC(=O)O)S(=O)(=O)O
(2)InChI: InChI=1/C4H6O7S/c5-3(6)1-2(4(7)8)12(9,10)11/h2H,1H2,(H,5,6)(H,7,8)(H,9,10,11)
(3)InChIKey: ULUAUXLGCMPNKK-UHFFFAOYAW
(4)Std. InChI: InChI=1S/C4H6O7S/c5-3(6)1-2(4(7)8)12(9,10)11/h2H,1H2,(H,5,6)(H,7,8)(H,9,10,11)
(5)Std. InChIKey: ULUAUXLGCMPNKK-UHFFFAOYSA-N