Dihexyl sodium sulfosuccinate

• CAS: 3006-15-3
• Catalog Number: ACM3006153
• Category: Main Products
• Molecular Weight: 388.5
• Molecular Formula: C16H29NaO7S
• Synonyms: Sodium dihexyl sulfosuccinate
• IUPAC Name: Sodium;1,4-dihexoxy-1,4-dioxobutane-2-sulfonate
• Canonical SMILES: CCCCCCOC(=O)CC(C(=O)OCCCCCC)S(=O)(=O)[O-].[Na+]
• InChI: InChI=1S/C16H30O7S.Na/c1-3-5-7-9-11-22-15(17)13-14(24(19,20)21)16(18)23-12-10-8-6-4-2;/h14H,3-13H2,1-2H3,(H,19,20,21);/q;+1/p-1
• InChI Key: WVFDILODTFJAPA-UHFFFAOYSA-M
• Melting Point: 230 °C
• Appearance: Liquid
• Storage: Store at +15 °C to +25 °C
• Active Content: 80%
• Exact Mass: 388.15316872
• Hydrogen Bond Acceptor Count: 7
• Hydrogen Bond Donor Count: 0
• Monoisotopic Mass: 388.15316872
• Physical State: Solid
• Rotatable Bond Count: 16
• Topological Polar Surface Area: 118 Ų

Case Study

Dihexyl Sodium Sulfosuccinate for the Extraction of Heavy Metals

Smirnova, Svetlana V., et al. Talanta, 2024, 269, 125504.

Researchers developed an aqueous two-phase system (ATPS) with benzethonium chloride (BztCl) and sodium dihexyl sulfosuccinate (NaDHSS) to conduct liquid-liquid microextraction of metal ions Cd(II), Co(II), Cu(II), Mn(II), Ni(II), and Pb(II) before determining their quantities through ICP-OES.
Extraction Method and Validation
The combination of the cationic surfactant BztCl and the anionic surfactant NaDHSS achieved liquid-liquid phase separation at a 1:1 molar ratio with total surfactant concentrations between 0.01 and 0.2 mol L-1 to assess extraction performance. The use of 8-hydroxyquinoline as a complexing agent resulted in extraction efficiencies approaching 100% for Cd(II), Co(II), Mn(II), Ni(II), and Pb(II) and an 88% efficiency for Cu(II).
Before ICP-OES analysis, researchers extracted components enriched in the surfactant phase with 0.2 M HNO3. The method ensured a preconcentration time of 30 seconds within the BztCl-NaDHSS-H2O ATPS and achieved a high degree of back-extraction within 1 minute. This significantly minimized sample preparation time, mitigated matrix effects, and yielded low limits of detection (LODs) ranging from 0.04 to 1.0 μg L-1, with a preconcentration factor of 120. The accuracy of the method was confirmed through the analysis of certified reference materials of surface water, as well as real samples from tap, sea, and wastewater.

Environmental Properties of Dihexyl Sodium Sulfosuccinate and Polysorbate 80 as Surfactants

Franzetti, Andrea, et al. Chemosphere, 2006, 62(9), 1474-1480.

Soil remediation processes benefit from using surfactants as they enhance traditional methods for pollutant removal. Researchers tested dihexyl sodium sulfosuccinate (Aerosol MA+80) and polysorbate 80 (Tween 80) surfactants in both laboratory settings and field applications for soil and groundwater remediation. The investigation assessed both surfactants' adsorption and biodegradability to establish their usability conditions and limitations.
Key Findings
· The soil examined in this study displayed suitable modeling characteristics since it showed representative mean values across almost every measured parameter when tested for organic carbon content, microbial populations, and particle size distribution.
· Polysorbate 80 showed both high biodegradability and strong soil matrix binding properties. The strong soil attraction of polysorbate 80 limits its in situ use but makes it ideal for ex situ solid-phase remediation methods like ex situ bioremediation.
· Dihexyl sodium sulfosuccinate showed poor biodegradability along with limited mineralization. Experiments on biodegradation, along with toxicity assessments, suggest that the degradation of dihexyl sodium sulfosuccinate may be incomplete, resulting in the accumulation of intermediates that are at least as toxic as the original compound.
· Thus, caution is advised when applying dihexyl sodium sulfosuccinate for aquifer remediation, to prevent loss of the product and ensure that any excess surfactant is removed from the soil.