Description

1-Butanesulfonic Acid is a versatile organosulfonic acid widely used as a catalyst, reagent, and intermediate in organic synthesis. Its value lies in its strong acidity and solubility in both aqueous and organic media, making it an effective acid catalyst in reactions where mineral acids are unsuitable. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for alkylation, esterification, and polymerization processes. Its utility extends to applications as a surfactant precursor and an electrolyte component.

Application

• Acid catalyst in organic synthesis, including esterification and alkylation reactions.
• Key intermediate in the production of surfactants and detergents.
• Reagent in pharmaceutical manufacturing for active pharmaceutical ingredient (API) synthesis.
• Electrolyte component in electrochemical applications and battery research.
• Building block for the synthesis of other functionalized sulfonic acids and sulfonates.
• Catalyst in polymerization processes and resin manufacturing.
• Used in analytical chemistry as a mobile phase modifier in chromatography.
• Precursor for photoacid generators (PAGs) used in photoresist formulations for the electronics industry.

Basic Information

Item	Details
Product Name	1-Butanesulfonic Acid
CAS No.	16794-12-0
Molecular Formula	C₄H₁₀O₃S
Molecular Weight	138.18 g/mol
Synonyms	Butane-1-sulfonic acid; n-Butanesulfonic acid; 1-Butylsulfonic acid; Butylsulfonic acid; NSC 8425; NSC-8425; Butanesulfonic acid; 1-Sulfobutane
EINECS	240-818-4

Quality Control

Our 1-Butanesulfonic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its nature as a strong acid/organic solvent, it should be kept away from incompatible materials such as strong bases and oxidizing agents. Ensure containers are kept upright to prevent leakage.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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