Description

Benzene, 1-(1,3-Butadiynyl)-4-Ethynyl- (9Ci) is a specialized organic building block characterized by its conjugated diyne and ethynyl functional groups. This compound matters as a high-value intermediate for advanced materials science and pharmaceutical research, enabling the synthesis of complex molecular architectures. It is primarily needed by R&D chemists and process engineers in the fine chemical, agrochemical, and material science industries for developing novel polymers, liquid crystals, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel drug candidates and active pharmaceutical ingredients (APIs).
• Advanced Material Synthesis: Used in the preparation of conjugated polymers and organic semiconductors for electronic and optoelectronic devices.
• Agrochemical Research: Acts as a building block for creating new crop protection agents and specialty agricultural chemicals.
• Liquid Crystal Development: Employed in the synthesis of rigid-rod molecules for high-performance liquid crystal displays (LCDs).
• Academic & Industrial R&D: A valuable reagent for exploratory chemistry in universities and corporate research laboratories focusing on acetylene chemistry.
• Coordination Chemistry Ligand: Can be utilized to create novel ligands for metal-organic frameworks (MOFs) and catalysis.

Basic Information

Product Name	Benzene, 1-(1,3-Butadiynyl)-4-Ethynyl- (9Ci)
CAS No.	79109-92-5
Molecular Formula	C12H6
Molecular Weight	150.18 g/mol
Synonyms	1,4-Diethynyl-2-butynebenzene; 1,4-Bis(ethynyl)buta-1,3-diynebenzene; 4-Ethynyl-1-(buta-1,3-diyn-1-yl)benzene; p-Ethynylphenylbutadiyne; 1-(1,3-Butadiynyl)-4-ethynylbenzene; (4-Ethynylphenyl)butadiyne
EINECS	Contact for details

Quality Control

Our Benzene, 1-(1,3-Butadiynyl)-4-Ethynyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We support cGMP and ISO 9001 compliant manufacturing for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled 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, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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