Description

Benzene, 1-(1,3-Butadiynyl)-4-Methyl- (9Ci) is a specialized aromatic compound featuring a conjugated diyne substituent, making it a valuable building block in advanced organic synthesis. This compound is engineered to serve as a key intermediate for the development of novel materials and functional molecules, offering precise structural control. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and advanced materials sectors for creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring rigid, linear conjugated systems.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides where its unique structure can contribute to specific biological activity.
• Material Science: Acts as a monomer or cross-linking agent in the production of specialized polymers, conductive materials, and liquid crystals.
• Organic Electronic Materials: Employed in the synthesis of organic semiconductors and non-linear optical (NLO) materials due to its extended π-conjugation.
• Chemical Synthesis Reagent: Functions as a versatile diyne component in click chemistry reactions, such as copper-catalyzed azide-alkyne cycloaddition (CuAAC), for bioconjugation and polymer modification.
• Academic & Industrial R&D: A valuable tool for chemists exploring new reaction methodologies and constructing complex natural product analogs or molecular scaffolds.

Basic Information

Product Name	Benzene, 1-(1,3-Butadiynyl)-4-Methyl- (9Ci)
CAS No.	348578-58-5
Molecular Formula	C11H8
Molecular Weight	140.18 g/mol
Synonyms	4-Methylphenylbuta-1,3-diyne; 1-Methyl-4-(buta-1,3-diyn-1-yl)benzene; p-Tolylbutadiyne; 4-(Buta-1,3-diyn-1-yl)toluene; 1-Butadiynyl-4-methylbenzene; (4-Methylphenyl)butadiyne; 1,3-Butadiyne, 1-(4-methylphenyl)-; 4-Methyl-1-(1,3-butadiynyl)benzene
EINECS	Contact for details

Quality Control

Our Benzene, 1-(1,3-Butadiynyl)-4-Methyl- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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 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	Light yellow to yellow solid
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.