Description

(E)-2-Benzylidenecyclopentanone is a versatile organic intermediate belonging to the class of α,β-unsaturated ketones. This compound is valued for its conjugated system, which makes it a key building block in organic synthesis and materials science. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: Acts as a Michael acceptor or a dienophile in cycloaddition reactions for constructing complex molecular frameworks.
• Materials Science Research: Investigated as a monomer or precursor for organic semiconductors, nonlinear optical materials, and polymers.
• Flavor and Fragrance Industry: Potential intermediate for synthesizing specific aroma chemicals.
• Academic & R&D: Used in universities and corporate labs for methodological studies and exploring new chemical reactions.

Basic Information

Product Name	(E)-2-Benzylidenecyclopentanone
CAS No.	1921-90-0
Molecular Formula	C₁₂H₁₂O
Molecular Weight	172.22 g/mol
Synonyms	2-Benzylidenecyclopentan-1-one; (E)-2-Benzylidenecyclopentanone; 2-(Phenylmethylene)cyclopentanone; trans-2-Benzylidenecyclopentanone; α-Benzylidenecyclopentanone; Cyclopentanone, 2-(phenylmethylene)-; 2-Benzylidene-1-cyclopentanone
EINECS	217-662-8

Quality Control

Our (E)-2-Benzylidenecyclopentanone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes results from HPLC, GC, NMR, and other relevant spectroscopic methods. Our quality commitment ensures the material meets the high standards required for research and industrial synthesis.

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 sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	55 - 60 °C
Loss on Drying	≤ 0.5%

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