Description

1-Butanesulfonic Acid, Butyl Ester is an organosulfur compound that serves as a versatile intermediate and reagent in advanced chemical synthesis. Its value lies in its ability to act as a sulfonating agent and a building block for specialty chemicals, offering a balance of reactivity and stability. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require high-purity sulfonate derivatives for process development and production.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring sulfonate ester functionalities.
• Agrochemical Synthesis: Acts as a key reagent in the production of herbicides, fungicides, and other crop protection agents.
• Polymer & Material Science: Employed as a monomer or modifying agent in the creation of specialty polymers, ion-exchange resins, and advanced materials.
• Chemical Research & Development: Serves as a standard or building block in organic synthesis for method development and novel compound creation.
• Surfactant & Detergent Precursor: Utilized in the manufacture of specialized anionic surfactants for industrial and laboratory applications.
• Electrolyte Additive: Investigated for use in battery electrolytes and other electrochemical systems.

Basic Information

Product Name	1-Butanesulfonic Acid, Butyl Ester
CAS No.	2374-66-5
Molecular Formula	C₈H₁₈O₃S
Molecular Weight	194.29 g/mol
Synonyms	Butyl Butanesulfonate; Butyl Butylsulfonate; n-Butyl Butanesulfonate; 1-Butyl Butanesulfonate; Butane-1-sulfonic Acid Butyl Ester; Butyl Sulfobutyl Ether; Butyl Ester of 1-Butanesulfonic Acid; BSBE
EINECS	219-154-9

Quality Control

Our 1-Butanesulfonic Acid, Butyl Ester is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to verify identity and assay. Certificates of Analysis (COA) documenting all critical quality parameters are provided with 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, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Gravity (20°C)	1.05 - 1.10
Refractive Index (20°C)	1.440 - 1.445

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