Description

4-Chloro-3-Methylbutyronitrile is a versatile halogenated 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 utilized by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing cyanoalkyl or chlorinated side chains.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where its structure serves as a core component for bioactive molecules.
• Organic Synthesis Building Block: Employed in nucleophilic substitution and cyano-group transformation reactions to create novel compounds for material science and chemical research.
• Fine Chemical Production: Integral in manufacturing specialty chemicals, dyes, and pigments that require specific chloronitrile motifs.
• Polymer Modifier: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers with enhanced properties.

Basic Information

Product Name	4-Chloro-3-Methylbutyronitrile
CAS No.	7659-47-4
Molecular Formula	C5H8ClN
Molecular Weight	117.57 g/mol
Synonyms	4-Chloro-3-methylbutanenitrile; 3-Methyl-4-chlorobutyronitrile; 4-Chloro-3-methylbutyronitrile; γ-Chloro-β-methylbutyronitrile; 4-Chloro-3-methylbutyric acid nitrile; Butyronitrile, 4-chloro-3-methyl-; (RS)-4-Chloro-3-methylbutyronitrile
EINECS	231-618-6

Quality Control

Our 4-Chloro-3-Methylbutyronitrile is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request to support your quality assurance protocols.

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 between 15°C and 25°C. 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)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	≤ 2.0% total
Density (at 20°C)	~1.05 g/cm³

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