Description

3-Methoxypropanesulphonic Acid is a versatile organosulfur compound with a sulfonic acid group, making it a valuable building block and intermediate in advanced chemical synthesis. Its unique structure, combining an ether linkage with a strong acid functionality, provides excellent solubility and reactivity for demanding applications. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new compounds with enhanced properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of modern herbicides, fungicides, and plant growth regulators requiring specific solubility and systemic activity.
• Polymer & Material Science: Serves as a monomer or additive for creating specialty polymers, ion-exchange resins, and materials with tailored surface properties.
• Electroplating & Surface Treatment: Acts as a brightening agent or additive in electroplating baths to improve finish quality and metal deposition.
• Chemical Research & Development: A valuable reagent for organic synthesis, facilitating the introduction of sulfonic acid groups under controlled conditions.
• Catalysis & Ligand Synthesis: Used in the preparation of specialized ligands and catalysts for homogeneous and heterogeneous catalytic processes.

Basic Information

Product Name	3-Methoxypropanesulphonic Acid
CAS No.	51980-59-7
Molecular Formula	C4H10O4S
Molecular Weight	154.18 g/mol
Synonyms	3-Methoxy-1-propanesulfonic Acid; 3-Methoxypropane-1-sulfonic Acid; 1-Propanesulfonic acid, 3-methoxy-; MOPS Acid; 3-MPSA; β-Methoxypropanesulfonic Acid; 3-Methoxypropylsulfonic Acid
EINECS	257-599-1

Quality Control

Our 3-Methoxypropanesulphonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available for every shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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