Description

1,4-Butanedisulfonylchloride is a versatile bifunctional sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its ability to act as a dual electrophile, facilitating the introduction of sulfonyl groups and enabling the construction of complex molecular architectures. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries, where it is used to create sulfonamides, sulfonate esters, and other functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for creating sulfonamide-based drugs with diuretic, antibacterial, or anticonvulsant properties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that incorporate sulfonylurea or sulfonate moieties.
• Polymer Chemistry: Serves as a cross-linking agent or monomer for producing specialty polymers, including polysulfones and ion-exchange resins.
• Chemical Research & Development: A valuable reagent in organic synthesis for constructing complex molecules, studying reaction mechanisms, and developing new methodologies.
• Dye and Pigment Manufacturing: Employed in the synthesis of sulfonated dyes and pigments to enhance solubility and color fastness.
• Ligand and Catalyst Preparation: Useful for modifying ligands and creating novel organocatalysts or metal complexes in coordination chemistry.

Basic Information

Product Name	1,4-Butanedisulfonylchloride
CAS No.	3079-82-1
Molecular Formula	C₄H₈Cl₂O₄S₂
Molecular Weight	255.14 g/mol
Synonyms	Butane-1,4-disulfonyl chloride; 1,4-Butanedisulfonic acid dichloride; Tetramethylene disulfonyl chloride; 1,4-Bis(chlorosulfonyl)butane; Butanedisulfonyl dichloride; NSC 402106; Butane-1,4-disulphonyl chloride
EINECS	221-369-8

Quality Control

Our 1,4-Butanedisulfonylchloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from heat, open flames, and incompatible materials such as strong bases, alcohols, and amines.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	97 - 102 °C
Water Content (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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