Description

Butyl Cyclopropanesulfonate CAS NO 83635-12-5 is a high-purity organosulfur compound featuring a cyclopropane ring linked to a sulfonate ester group. This unique structure makes it a valuable building block and intermediate in advanced organic synthesis, particularly for introducing the sulfonate moiety. It is primarily sought after by pharmaceutical, agrochemical, and specialty chemical research and development teams for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key synthon in the research and development of new drug candidates, especially those requiring sulfonate ester functionalities.
• Agrochemical Synthesis: Used as a precursor in the manufacture of advanced herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands and organocatalysts used in asymmetric synthesis.
• Polymer Modification: Employed to introduce sulfonate groups into polymer chains, altering properties like solubility and ionic conductivity.
• Chemical Research (R&D): A versatile reagent for methodological studies and constructing complex molecular architectures in academic and industrial labs.
• Material Science: Potential intermediate in the synthesis of organic electronic materials and ionic liquids.

Basic Information

Product Name	Butyl Cyclopropanesulfonate
CAS No.	83635-12-5
Molecular Formula	C7H14O3S
Molecular Weight	178.25 g/mol
Synonyms	Butyl cyclopropanesulfonate; Cyclopropanesulfonic acid butyl ester; n-Butyl cyclopropanesulfonate; 1-Butyl cyclopropanesulfonate; Butoxycarbonylsulfonylcyclopropane (informal); CPBS; BCS; Butyl ester of cyclopropanesulfonic acid
EINECS	Contact for details

Quality Control

Our Butyl Cyclopropanesulfonate is produced under strict quality management systems. Every batch undergoes rigorous analytical testing including HPLC, GC, and NMR to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, assay, and impurity profiles to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber glass or suitably opaque.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Specific Gravity	~1.15 g/mL

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