Description

2-Methyl-1-propanesulfinic acid methyl ester is a specialized organosulfur compound, specifically a sulfinate ester, valued for its role as a versatile synthetic intermediate. Its primary commercial significance lies in its utility for introducing the sulfoxide or sulfone functional group into target molecules, enabling the synthesis of complex chemical architectures. This product is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity building blocks for drug discovery and specialty chemical manufacturing.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing chiral sulfoxide motifs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the sulfinate group acts as a critical linker or functional handle.
• Ligand and Catalyst Development: Serves as a starting material for creating novel chiral sulfoxide ligands used in asymmetric catalysis.
• Polymer Modification: Employed to introduce sulfoxide functionalities into polymer chains, altering material properties like solubility and thermal stability.
• Organic Synthesis Reagent: Utilized in various name reactions and methodologies for C-S bond formation and as a sulfinylating agent.
• Material Science Research: Investigated for the development of advanced organic electronic materials and liquid crystals.

Basic Information

Item	Details
Product Name	2-Methyl-1-propanesulfinic Acid Methyl Ester
CAS No.	56909-12-7
Molecular Formula	C5H12O2S
Molecular Weight	136.21 g/mol
Synonyms	Isobutanesulfinic Acid Methyl Ester; Methyl 2-Methyl-1-propanesulfinate; Methyl Isobutylsulfinate; 2-Methylpropane-1-sulfinic Acid Methyl Ester; Isobutylsulfinic Acid Methyl Ester; Methyl Isobutanesulfinate; 1-Methylethylsulfinic Acid Methyl Ester (related); Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our 2-Methyl-1-propanesulfinic acid methyl ester is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C. Allow the container to reach room temperature before opening to minimize moisture ingress. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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