Description

1-Phenylcyclopentene is a versatile organic intermediate characterized by its reactive cyclopentene ring substituted with a phenyl group. This compound matters for its role as a key building block in the synthesis of complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industries requiring fine chemical synthesis, such as pharmaceutical R&D, advanced material science, and specialty chemical manufacturing, are the primary users of this high-value intermediate.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds with cyclopentane or cyclopentene-based structures.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators that require specific cyclic frameworks.
• Material Science Research: Acts as a monomer or a functionalization agent in the development of novel polymers and advanced organic materials.
• Organic Synthesis & Catalysis: Employed in academic and industrial research laboratories for Diels-Alder reactions, hydrogenation studies, and as a model substrate in catalytic process development.
• Flavor & Fragrance Industry: Utilized as an intermediate for synthesizing specific aroma chemicals and musk compounds.
• Liquid Crystal & OLED Material Development: Functions as a building block for creating organic semiconductors and liquid crystal molecules due to its conjugated system.

Basic Information

Product Name	1-Phenylcyclopentene
CAS No.	825-54-7
Molecular Formula	C11H12
Molecular Weight	144.21 g/mol
Synonyms	1-Phenyl-1-cyclopentene; Cyclopentene, 1-phenyl-; Phenylcyclopentene; NSC 5111; 1-Cyclopenten-1-ylbenzene; Benzene, (1-cyclopenten-1-yl)-; 1-Phenylcyclopent-1-ene
EINECS	212-548-9

Quality Control

Our 1-Phenylcyclopentene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its properties as a highly volatile compound soluble in strong acids/organic solvents, ensure the container is kept tightly sealed and away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
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.