Description

3-Ethyl-3-Hydroxypentyl Methanesulfonate is a specialized organic sulfonate ester with a reactive hydroxyl group, serving as a valuable intermediate in advanced chemical synthesis. Its structure makes it a critical building block for introducing functional groups and modifying molecular properties in target compounds. This high-purity intermediate is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for introducing sulfonate ester functionalities.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Acts as a functional monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Organic Synthesis Reagent: Employed in laboratory-scale and pilot-scale organic reactions, including alkylation and esterification processes.
• Liquid Crystal & Electronic Materials: Potential intermediate in the production of materials for display technologies and electronic chemicals.
• Chemical Research: Serves as a standard or reagent in methodological development and chemical biology studies.

Basic Information

Product Name	3-Ethyl-3-Hydroxypentyl Methanesulfonate
CAS No.	428871-08-3
Molecular Formula	C9H20O4S
Molecular Weight	224.32 g/mol
Synonyms	3-Hydroxy-3-ethylpentyl methanesulfonate; 3-Ethyl-3-hydroxypentyl methanesulfonate; 3-Ethylpentane-1,3-diol monomethanesulfonate; Methanesulfonic acid 3-ethyl-3-hydroxypentyl ester; 1,3-Dihydroxy-3-ethylpentane monomethanesulfonate; 3-Ethyl-3-pentanol methanesulfonate; Mesylate ester of 3-ethylpentane-1,3-diol
EINECS	Contact for details

Quality Control

Every batch of 3-Ethyl-3-Hydroxypentyl Methanesulfonate is manufactured under strict quality management systems and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and support our products with detailed Certificates of Analysis (COA) that document critical parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most demanding synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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