Description

Tetramethylene Sulfoxide is a high-purity, versatile organosulfur compound with significant utility as a polar aprotic solvent and chemical intermediate. Its unique molecular structure, featuring a four-carbon chain and a sulfoxide group, makes it a valuable reagent in advanced organic synthesis and material science. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality building blocks for complex molecular architectures.

Application

• As a polar aprotic solvent in organic synthesis reactions, including nucleophilic substitutions and oxidations.
• As a key chemical intermediate in the production of pharmaceuticals and active pharmaceutical ingredients (APIs).
• In the synthesis of specialty polymers and advanced materials requiring specific sulfoxide functionalities.
• As a reaction medium for organometallic chemistry and catalyst systems.
• In agrochemical research for developing novel herbicides and plant growth regulators.
• For analytical chemistry applications as a solvent or reagent in chromatography and spectroscopy.

Basic Information

Product Name	Tetramethylene Sulfoxide
CAS No.	1600-44-8
Molecular Formula	C₄H₈OS
Molecular Weight	104.17 g/mol
Synonyms	1,4-Butylene Sulfoxide; Tetrahydrothiophene 1-Oxide; Thiolane 1-Oxide; Sulfolene precursor; Thiophane 1-Oxide; Butane-1,4-sulfoxide; Tetramethylene Sulphoxide
EINECS	216-500-7

Quality Control

Our Tetramethylene Sulfoxide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided and available upon request to support your quality assurance protocols.

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 oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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