Description

3-Chloro-2-Pentene is a versatile halogenated alkene intermediate with significant utility in organic synthesis. Its value lies in its reactive chloro-alkene functionality, making it a key building block for constructing more complex molecules in fine chemical and pharmaceutical manufacturing. This compound is primarily needed by R&D chemists and process development scientists in the agrochemical, pharmaceutical, and specialty chemical industries for applications such as cross-coupling reactions and the synthesis of active ingredients.

Application

• Key intermediate in the synthesis of pharmaceutical active ingredients (APIs) and agrochemicals.
• Building block for organic synthesis, particularly in cross-coupling reactions (e.g., Heck, Suzuki).
• Precursor for the development of specialty polymers and functional materials.
• Used in research and development for creating novel chemical entities and exploring reaction mechanisms.
• Intermediate in the manufacture of flavors, fragrances, and other fine chemicals.
• Starting material for the synthesis of more complex halogenated compounds.

Basic Information

Product Name	3-Chloro-2-Pentene
CAS No.	34238-52-3
Molecular Formula	C5H9Cl
Molecular Weight	104.58 g/mol
Synonyms	2-Pentene, 3-chloro-; 3-Chloro-2-pentene (cis- and trans- mixture); 3-Chloropent-2-ene; NSC 60545; (E)-3-Chloropent-2-ene; (Z)-3-Chloropent-2-ene
EINECS	Contact for details

Quality Control

Our 3-Chloro-2-Pentene is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including gas chromatography (GC) for assay and impurity profiling. Certificates of Analysis (COA) detailing all specifications 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, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0% (sum of isomers)
Water Content (KF)	≤ 0.5%
Density (20°C)	~0.92 g/mL
Boiling Point	~105-110°C

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