Description

Benzene, 1,1'-(1,2-Ethynediyl)Bis[4-(3-Buten-1-Yl) ]- CAS NO 202652-64-0 is a specialized organic compound featuring a central ethynediyl bridge and terminal butenyl groups, making it a valuable building block for advanced material synthesis. Its molecular architecture is engineered to serve as a key intermediate in the development of polymers and functional materials with tailored properties. This product is essential for R&D and production teams in the pharmaceutical, agrochemical, and advanced polymer industries seeking to innovate with precise molecular structures.

Application

• Pharmaceutical Intermediate: Serves as a crucial synthon for the development of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for creating specialty polymers, liquid crystals, and organic electronic materials.
• Organic Synthesis & R&D: A versatile building block in academic and industrial laboratories for constructing complex organic molecules and exploring new chemical reactions.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other high-value specialty chemicals.

Basic Information

Item	Details
Product Name	Benzene, 1,1'-(1,2-Ethynediyl)Bis[4-(3-Buten-1-Yl) ]- CAS NO 202652-64-0
CAS No.	202652-64-0
Molecular Formula	C22H22
Molecular Weight	286.41 g/mol
Synonyms	1,1'-(1,2-Ethynediyl)bis[4-(3-buten-1-yl)benzene]; 4,4'-(1,2-Ethynediyl)bis(1-butene-4-ylbenzene); 1,4-Bis(3-buten-1-yl)-2-ethynylbenzene (isomer); Di(4-(3-butenyl)phenyl)acetylene; Bis(4-(3-butenyl)phenyl)ethyne; p,p'-Di(3-butenyl)diphenylacetylene
EINECS	Contact for details

Quality Control

Our Benzene, 1,1'-(1,2-Ethynediyl)Bis[4-(3-Buten-1-Yl) ]- CAS NO 202652-64-0 is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, identity, and consistency, meeting the stringent requirements for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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