Description

1-Phenyl-1-Pentyne is a versatile terminal alkyne building block, also known by its CAS number 4250-81-1. This compound is valued for its role as a key synthetic intermediate in advanced organic synthesis, particularly in cross-coupling and cycloaddition reactions. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity intermediates for developing active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Acts as a monomer or precursor in the development of specialty polymers, liquid crystals, and organic electronic materials.
• Organic Synthesis Reagent: Employed in Sonogashira coupling, click chemistry, and other palladium-catalyzed cross-coupling reactions.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D labs for exploring new synthetic methodologies.
• Fine Chemical Production: Integral to the multi-step synthesis of complex fragrance and flavor compounds.

Basic Information

Product Name	1-Phenyl-1-Pentyne
CAS No.	4250-81-1
Molecular Formula	C₁₁H₁₂
Molecular Weight	144.21 g/mol
Synonyms	Phenylpent-1-yne; 1-Pentynylbenzene; Pent-1-yn-1-ylbenzene; Benzene, pent-1-yn-1-yl-; 1-Pentyne, 1-phenyl-; Amylphenylacetylene
EINECS	Contact for details

Quality Control

Our 1-Phenyl-1-Pentyne is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and identity confirmation. We provide detailed Certificates of Analysis (COA) with each shipment, documenting all critical quality parameters. Our commitment to consistent quality and traceability supports your R&D and production needs with reliable material.

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). Keep away from heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere such as nitrogen or argon to maintain stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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