Description

4-Chlorobenzeneseleninic Anhydride, 97 is a high-purity organoselenium reagent used as a versatile intermediate and catalyst in advanced chemical synthesis. This compound is valued for its role in facilitating key transformations, including selective oxidation and functional group manipulations. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel compounds and processes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Catalyst/Reagent for Oxidation: Employed as a selective oxidizing agent in organic synthesis, particularly for converting alcohols to carbonyl compounds.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and plant growth regulators.
• Material Science Research: Serves as a precursor for selenium-containing polymers or advanced materials with unique electronic properties.
• Academic & Industrial R&D: A critical reagent for methodological development and exploring new reaction pathways in synthetic chemistry.
• Fine Chemical Production: Used in the manufacture of high-value specialty chemicals, dyes, and pigments.

Basic Information

Product Name	4-Chlorobenzeneseleninic Anhydride, 97
CAS No.	206986-80-3
Molecular Formula	C12H6Cl2O3Se2
Molecular Weight	460.01 g/mol
Synonyms	Bis(4-chlorophenyl) selenoxide anhydride; 4,4'-Dichlorodiphenyl diselenoxide anhydride; p-Chlorobenzeneseleninic anhydride; 4-Chlorophenylseleninic anhydride; (4-Chlorophenyl)seleninic acid anhydride; 1,1'-(Oxydiselenobis(4,1-phenylene))bis(1-chloro) (alternative); 4-Chloro-benzeneseleninsaeure-anhydrid (German); Anhydride de l'acide 4-chlorobenzèneséléniique (French)
EINECS	Contact for details

Quality Control

Our 4-Chlorobenzeneseleninic Anhydride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed to confirm identity and meets the specified 97% minimum purity. Comprehensive Certificates of Analysis (COA) detailing purity, physical characteristics, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

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 material is light-sensitive and should be handled and stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Off-white to pale yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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