Description

4-Biphenylsulfonyl Chloride is a versatile and high-value sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its reactivity as a sulfonylation agent, enabling the introduction of the biphenylsulfonyl moiety to create compounds with tailored properties. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Material Science: Building block for synthesizing specialty polymers, liquid crystals, and organic electronic materials.
• Chemical Research: A valuable reagent in medicinal chemistry and process development for constructing complex molecular architectures.
• Dye and Pigment Manufacturing: Intermediate in the production of specialized colorants and photographic chemicals.

Basic Information

Product Name	4-Biphenylsulfonyl Chloride
CAS No.	1623-93-4
Molecular Formula	C12H9ClO2S
Molecular Weight	252.72 g/mol
Synonyms	[4-Phenylphenyl]sulfonyl chloride; p-Biphenylsulfonyl chloride; 4-Phenylbenzenesulfonyl chloride; Biphenyl-4-sulfonyl chloride; (1,1'-Biphenyl)-4-sulfonyl chloride; 4-Biphenylylsulfonyl chloride; p-Terphenyl-4''-sulfonyl chloride (related); NSC 404083
EINECS	216-602-8

Quality Control

Our 4-Biphenylsulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Water Content (KF)	≤ 0.5%

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