Description

1-Butanesulfonic Acid, 4-Hydroxy- is a versatile organosulfonic acid derivative, also known as 4-hydroxybutane-1-sulfonic acid. This compound is valued for its dual functionality, serving as a key building block and catalyst in advanced organic synthesis and industrial processes. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for applications requiring a reactive sulfonic acid group with an alcohol functionality.

Application

• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing sulfonate groups to enhance solubility or biological activity.
• Catalyst & Reagent: Functions as an acid catalyst or a sulfonating agent in various organic transformations and polymerization reactions.
• Agrochemical Synthesis: Serves as a precursor in the manufacturing of herbicides, fungicides, and other crop protection agents.
• Electroplating Additives: Employed in electroplating baths as a brightening agent or stabilizer for metal deposition processes.
• Polymer Modification: Used to modify polymer chains, imparting sulfonic acid groups to alter properties like hydrophilicity or ion-exchange capacity.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and material science.

Basic Information

Product Name	1-Butanesulfonic Acid, 4-Hydroxy-
CAS No.	26978-64-3
Molecular Formula	C₄H₁₀O₄S
Molecular Weight	154.19 g/mol
Synonyms	4-Hydroxybutane-1-sulfonic Acid; 4-Hydroxy-1-butanesulfonic Acid; 4-Hydroxybutylsulfonic Acid; 1-Butanesulfonic acid, 4-hydroxy-; 4-HBSA; ω-Hydroxybutanesulfonic Acid; γ-Hydroxybutanesulfonic Acid; Butane-1-sulfonic acid, 4-hydroxy-
EINECS	Contact for details

Quality Control

Our 1-Butanesulfonic Acid, 4-Hydroxy- is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including assay by titration and impurity profiling, to ensure it meets high-purity standards suitable for industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and a strong acid/organic solvent; ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture and degradation. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
Water Content (KF)	≤ 1.0 %
Melting Point	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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