Description

Butyl Methyl Sulfoxide is a versatile organosulfur compound characterized by its sulfinyl functional group. This chemical is valued for its dual functionality as a polar aprotic solvent and a reactive intermediate in organic synthesis. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for applications requiring a high-boiling, stable solvent with good solvating power.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Specialty Solvent: Acts as a polar aprotic solvent for various chemical reactions, including alkylations and polymerizations.
• Agrochemical Synthesis: Serves as a key building block or solvent in the production of herbicides, fungicides, and pesticides.
• Chemical Research & Development: Employed in laboratory settings for method development and exploratory synthesis.
• Polymer Chemistry: Utilized as a solvent or additive in the synthesis and processing of specialty polymers.
• Electrolyte Component: Investigated for use in advanced battery systems and electrochemical applications.

Basic Information

Product Name	Butyl Methyl Sulfoxide
CAS No.	2976-98-9
Molecular Formula	C5H12OS
Molecular Weight	120.21 g/mol
Synonyms	1-Butyl Methyl Sulfoxide; Methyl Butyl Sulfoxide; Butylmethylsulfoxide; Sulfinylbis(methane), butyl-; Butyl(methyl)sulfane oxide; Butyl methyl sulphoxide
EINECS	221-002-7

Quality Control

Our Butyl Methyl Sulfoxide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC, identity confirmation (IR), and impurity profiling to ensure it meets the required specifications for your application. Certificates of Analysis (COA) documenting purity and key physical-chemical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.470 - 1.480
Density (20°C)	0.98 - 1.02 g/mL

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