Description

1,4-Cyclohexadiene, 1,4-Diethynyl- (9Ci) is a specialized organic compound featuring a cyclohexadiene core substituted with two ethynyl groups, making it a valuable building block in advanced organic synthesis. This compound is significant for its unique conjugated diene and alkyne functionalities, which enable its use in the construction of complex molecular architectures and functional materials. It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and materials science sectors for applications in catalysis, polymer chemistry, and the synthesis of novel organic frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those requiring rigid, conjugated frameworks.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides where its unique structure can contribute to novel modes of action.
• Material Science & Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polymers, resins, and advanced materials with tailored electronic or mechanical properties.
• Organic Synthesis & Catalysis: Employed as a versatile diene in Diels-Alder reactions and as a ligand precursor in organometallic chemistry and homogeneous catalysis research.
• Academic & Industrial R&D: A critical reagent for exploratory chemistry in universities and corporate research laboratories focused on discovering new chemical entities and reactions.
• Fine Chemical Production: Utilized in the multi-step synthesis of high-value fine chemicals and specialty additives.

Basic Information

Item	Detail
Product Name	1,4-Cyclohexadiene, 1,4-Diethynyl- (9Ci)
CAS No.	591252-02-7
Molecular Formula	C10H8
Molecular Weight	128.17 g/mol
Synonyms	1,4-Diethynyl-1,4-cyclohexadiene; 1,4-Diethynylcyclohexa-1,4-diene; 1,4-Bis(ethynyl)cyclohexa-1,4-diene; 1,4-Cyclohexadiene, 1,4-diethynyl-; 1,4-Diethynylbenzene (dihydro derivative); NSC Number (Contact for details); Research Compound 591252-02-7
EINECS	Contact for details

Quality Control

Every batch of 1,4-Cyclohexadiene, 1,4-Diethynyl- (9Ci) is produced and controlled under a strict quality management system. Our products undergo rigorous analytical testing, including chromatography and spectroscopy, to ensure compliance with the highest purity standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its light-sensitive nature, the container should be kept in the dark, and the material should be handled under an inert atmosphere if prolonged exposure is anticipated to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 95% (Research Grade)
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.