Description

1-Butanesulfonic Acid, 4-Hydroxy-, Methyl Ester is a specialized organosulfur compound that serves as a versatile building block and intermediate in advanced chemical synthesis. Its bifunctional nature, featuring both a sulfonate ester group and a hydroxyl group, makes it a valuable reagent for introducing sulfonic acid moieties into target molecules under controlled conditions. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring sulfonate ester functionalities.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Acts as a monomer or cross-linking agent to impart sulfonate groups into polymers, enhancing properties like hydrophilicity or ion-exchange capacity.
• Ligand and Catalyst Preparation: Employed in the development of specialized ligands for metal catalysis and organocatalysis.
• Surface Active Agent Precursor: Intermediate for the synthesis of specialty surfactants and emulsifiers.
• Chemical Research & Development: A valuable tool for medicinal chemistry and process chemistry in exploring new synthetic pathways.

Basic Information

Product Name	1-Butanesulfonic Acid, 4-Hydroxy-, Methyl Ester
CAS No.	343928-18-7
Molecular Formula	C5H12O4S
Molecular Weight	168.21 g/mol
Synonyms	4-Hydroxy-1-butanesulfonic Acid Methyl Ester; Methyl 4-Hydroxybutanesulfonate; 4-Hydroxybutyl Methanesulfonate; 1-Butanesulfonic Acid, 4-Hydroxy-, Methyl Ester; 4-Hydroxybutane-1-sulfonic Acid Methyl Ester; Methyl 4-Hydroxy-1-butanesulfonate; 4-Hydroxybutylsulfonic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our production of 1-Butanesulfonic Acid, 4-Hydroxy-, Methyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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