Description

2-Chloro-3-Methyl-1-Butene is a versatile halogenated alkene intermediate with significant utility in organic synthesis. Its value lies in its reactive chloro and alkene functionalities, which make it a key building block for constructing more complex molecular architectures. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications such as fine chemical synthesis and polymer modification.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and plant growth regulators.
• Fine Chemical Building Block: Employed in organic laboratories for coupling reactions, alkylations, and as a starting material for specialty chemicals.
• Polymer & Resin Modification: Acts as a monomer or cross-linking agent in the development of specialty polymers and coatings.
• Flavor & Fragrance Industry: Utilized in the synthesis of specific terpene-based aroma compounds.
• Research & Development: A valuable reagent for methodological studies and exploring new synthetic pathways in academic and industrial settings.

Basic Information

Product Name	2-Chloro-3-Methyl-1-Butene
CAS No.	17773-64-7
Molecular Formula	C5H9Cl
Molecular Weight	104.58 g/mol
Synonyms	3-Methyl-2-chloro-1-butene; 1-Butene, 2-chloro-3-methyl-; 2-Chloro-3-methylbut-1-ene; β,β-Dimethylvinyl chloride; Chloroisoprene (related); 3-Methylbut-1-en-2-yl chloride; (3-Methylbut-1-en-2-yl)chloride
EINECS	241-764-9

Quality Control

Our 2-Chloro-3-Methyl-1-Butene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, NMR, and impurity profiling, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Due to its highly volatile nature, containers must be kept tightly sealed and at a recommended temperature of 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%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	0.90 - 0.92 g/mL
Refractive Index (n20D)	1.425 - 1.435

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