Description

2-Propanesulfonic Acid Methyl Ester is a versatile organosulfur compound and a key sulfonic acid ester building block. Its primary value lies in its role as a reactive intermediate for introducing sulfonate or sulfopropyl groups into target molecules, enabling the synthesis of specialized surfactants, functional monomers, and pharmaceutical intermediates. This chemical is essential for R&D and production in industries such as specialty polymers, advanced materials, and fine chemical synthesis.

Application

• Polymer & Monomer Synthesis: Acts as a functional monomer or chain transfer agent in the production of specialty polymers, including sulfobetaines and zwitterionic materials.
• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs requiring sulfonate functionality.
• Surfactant & Detergent Manufacturing: Used to synthesize advanced anionic and zwitterionic surfactants with enhanced solubility and stability properties.
• Electrolyte Additives: Employed in the formulation of specialized electrolytes for lithium-ion batteries and other energy storage systems.
• Chemical Research (R&D): A valuable reagent in organic synthesis for introducing sulfopropyl groups, enabling novel reaction pathways.
• Photoresist & Electronic Chemicals: Finds application in the development of chemicals for the semiconductor and electronics industries.

Basic Information

Product Name	2-Propanesulfonic Acid Methyl Ester
CAS No.	2819-09-2
Molecular Formula	C4H10O3S
Molecular Weight	138.18 g/mol
Synonyms	Methyl 2-Propanesulfonate; Methyl Propane-2-Sulfonate; 2-Propanesulfonic Acid, Methyl Ester; 1-Methanesulfonylpropane; Propane-2-sulfonic Acid Methyl Ester; Methyl Isopropylsulfonate; 2-(Methylsulfonyl)propane; NSC 402124
EINECS	220-569-5

Quality Control

Our 2-Propanesulfonic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is 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). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed due to potential sensitivity to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.430 - 1.440
Density (20°C)	1.15 - 1.25 g/cm³

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