Description

Di-n-Butyl Sulfoxide is a high-purity organosulfur compound widely utilized as a specialty solvent and chemical intermediate. Its unique solvating properties make it valuable for applications requiring a polar aprotic medium with high boiling point and thermal stability. This product is essential for research laboratories and industrial chemical synthesis, particularly in the pharmaceutical and agrochemical sectors. We supply Di-n-Butyl Sulfoxide CAS NO 2168-93-6 to meet the stringent quality demands of global B2B customers.

Application

• Specialty Solvent: Used as a high-boiling polar aprotic solvent in organic synthesis and polymer research.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex sulfoxide and sulfone derivatives.
• Pharmaceutical Synthesis: Employed in the development and manufacturing of active pharmaceutical ingredients (APIs) requiring specific solvation or as a reactant.
• Agrochemical Formulation: Acts as a solvent or co-solvent in pesticide and herbicide formulations.
• Ligand in Catalysis: Can function as a ligand for certain metal catalysts in coordination chemistry and homogeneous catalysis.
• Extraction Agent: Utilized in selective extraction processes for metals or organic compounds in analytical and industrial separations.
• Electrolyte Additive: Investigated for use as an additive in advanced battery electrolytes to improve performance and stability.
• Research & Development: A valuable reagent for academic and industrial R&D in synthetic organic and organometallic chemistry.

Basic Information

Product Name	Di-n-Butyl Sulfoxide
CAS No.	2168-93-6
Molecular Formula	C8H18OS
Molecular Weight	162.29 g/mol
Synonyms	Butyl Sulfoxide; Dibutyl Sulfoxide; n-Butyl Sulfoxide; Sulfinylbis(butane); 1,1'-Sulfinylbisbutane; DBSO; Di-n-butylsulfoxide; Butane, 1,1'-sulfinylbis-
EINECS	218-522-8

Quality Control

Our Di-n-Butyl Sulfoxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards for industrial and research use. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.450 - 1.455
Density (g/mL, 20°C)	0.950 - 0.970

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.