Description

Butane-1-Sulfinic Acid Methyl Ester is a specialized organosulfur compound that serves as a valuable synthetic intermediate. Its sulfinate ester functionality makes it a versatile reagent for introducing sulfonyl groups and constructing complex molecular architectures. This chemical is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfone-containing drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides that incorporate sulfonyl moieties for enhanced activity.
• Material Science: Employed as a monomer or modifier in the development of specialty polymers with specific sulfur-based functionalities.
• Organic Synthesis Reagent: Acts as a sulfonylating agent or a nucleophile in C-S bond formation reactions, such as Michael additions and radical reactions.
• Chemical Research: A crucial tool in academic and industrial R&D for exploring new reaction pathways and synthesizing complex organic molecules.

Basic Information

Product Name	Butane-1-Sulfinic Acid Methyl Ester
CAS No.	673-80-3
Molecular Formula	C5H12O2S
Molecular Weight	136.21 g/mol
Synonyms	1-Butanesulfinic Acid Methyl Ester; Methyl Butanesulfinate; Methyl 1-Butanesulfinate; Methyl Butylsulfinate; Butylsulfinic Acid Methyl Ester; 1-Butylsulfinic Acid Methyl Ester; Methyl Butane-1-sulfinate; Butane-1-sulfinic Acid Methyl Ester
EINECS	211-613-8

Quality Control

Our Butane-1-Sulfinic Acid Methyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for purity, assay, and impurity profiles are provided and available upon request, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized; for long-term storage, it is recommended to keep under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Purity (GC Area %)	≥ 98.0%

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