Description

4-Chloro-3-Methyl-2-Butenenitrile is a versatile chlorinated nitrile intermediate of significant importance in advanced organic synthesis. Its reactive chloro and nitrile functionalities make it a valuable building block for constructing complex molecular architectures. This compound is primarily sought after by R&D chemists and process development teams in the pharmaceutical and agrochemical industries for the synthesis of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, leveraging its reactive sites for structural diversification.
• Organic Synthesis Reagent: Serves as a versatile electrophile in nucleophilic substitution reactions and as a precursor for heterocyclic compounds.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of specialty polymers and resins.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other performance chemicals.

Basic Information

Product Name	4-Chloro-3-Methyl-2-Butenenitrile
CAS No.	4450-34-4
Molecular Formula	C5H6ClN
Molecular Weight	115.56 g/mol
Synonyms	4-Chloro-3-methylbut-2-enenitrile; 2-Butenenitrile, 4-chloro-3-methyl-; 3-Methyl-4-chloro-2-butenenitrile; 4-Chloro-3-methylcrotononitrile; (E/Z)-4-Chloro-3-methyl-2-butenenitrile; Crotononitrile, 4-chloro-3-methyl-; 2-Butenenitrile, 4-chloro-3-methyl-, (E)-; 2-Butenenitrile, 4-chloro-3-methyl-, (Z)-
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Methyl-2-Butenenitrile is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. The container should be kept tightly sealed to minimize moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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