Description

1-Chloro-1-Cyclopentene is a versatile halogenated cyclic olefin that serves as a key synthetic intermediate in advanced organic chemistry. Its unique structure, featuring a reactive chlorine atom adjacent to a double bond, makes it a valuable building block for constructing complex molecular frameworks. This compound is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for applications ranging from API synthesis to material science research.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, cross-coupling reactions, and as a starting material for other functionalized cyclopentene derivatives.
• Material Science Research: Acts as a monomer or modifier in the development of novel polymers and specialty materials.
• Fine Chemical Production: Integral to the manufacture of flavors, fragrances, and other high-value specialty chemicals.
• Academic & R&D: Serves as a standard reagent in university and corporate research laboratories for methodological studies and discovery chemistry.

Basic Information

Product Name	1-Chloro-1-Cyclopentene
CAS No.	930-29-0
Molecular Formula	C5H7Cl
Molecular Weight	102.56 g/mol
Synonyms	1-Chlorocyclopentene; Cyclopentene, 1-chloro-; 1-Chloro-cyclopent-1-ene; NSC 60548; 1-Cyclopentenyl chloride; Chlorocyclopentene
EINECS	213-230-1

Quality Control

Our 1-Chloro-1-Cyclopentene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and impurity profiling, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We adhere to cGMP principles where applicable to support our customers in regulated industries.

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. Due to its reactive nature, it should be stored separately from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.02 g/mL
Refractive Index (n20D)	~1.475

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