Description

1-Butylcyclopentene is a valuable, highly volatile organic intermediate characterized by its unique cyclic olefin structure. This compound is significant for its role as a versatile building block in the synthesis of more complex molecules, particularly in the fine chemical and pharmaceutical sectors. Key industries that utilize this specialty chemical include pharmaceutical manufacturing, agrochemical development, and advanced material science.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Manufacturing: Acts as a building block for fragrances, flavors, and other high-value specialty chemicals.
• Polymer & Material Science: Employed in the development of novel polymers, resins, and functional materials.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D laboratories for constructing complex carbon frameworks.
• Cross-Coupling Reactions: Utilized as an alkene component in various metal-catalyzed coupling reactions to form new carbon-carbon bonds.

Basic Information

Product Name	1-Butylcyclopentene
CAS No.	2423-01-0
Molecular Formula	C9H16
Molecular Weight	124.22 g/mol
Synonyms	Butylcyclopentene; 1-Butyl-1-cyclopentene; 1-Cyclopenten-1-ylbutane; Butyl cyclopentene; Cyclopentene, 1-butyl-; 1-n-Butylcyclopentene
EINECS	219-350-1

Quality Control

Our 1-Butylcyclopentene is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as identity, purity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, and we support compliance with global regulatory standards including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flame. Due to its highly volatile nature, keep the container tightly sealed when not in use. Store separately from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	0.78 - 0.82 g/mL
Refractive Index (n20D)	1.440 - 1.450

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