Description

5-Chloro-4-Chloromethyl-1-Pentene is a versatile chlorinated organic intermediate of significant importance in fine chemical synthesis. This compound matters for its bifunctional reactivity, featuring both a chloroalkyl group and a terminal alkene, which allows for selective transformations in multi-step syntheses. It is primarily needed by R&D chemists and process development teams in the pharmaceutical and agrochemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring chlorinated side chains or heterocyclic structures.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where its chloromethyl group serves as a reactive handle for further functionalization.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialty polymers with specific thermal or chemical resistance properties.
• Organic Synthesis Reagent: Employed in research laboratories for nucleophilic substitution reactions, cyclization processes, and as a precursor for other functionalized olefins.
• Liquid Crystal & Material Science: Serves as a starting material in the synthesis of organic electronic materials and liquid crystal compounds.

Basic Information

Product Name	5-Chloro-4-Chloromethyl-1-Pentene
CAS No.	27990-74-5
Molecular Formula	C6H10Cl2
Molecular Weight	153.05 g/mol
Synonyms	4-(Chloromethyl)-5-chloro-1-pentene; 1-Pentene, 5-chloro-4-(chloromethyl)-; 5-Chloro-4-(chloromethyl)pent-1-ene; 4-Chloromethyl-5-chloro-1-pentene
EINECS	Contact for details

Quality Control

Our 5-Chloro-4-Chloromethyl-1-Pentene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 2°C and 8°C to maintain stability for extended periods. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%
Total Impurities	≤ 3.0%

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