Description

4-Chloro-2,2-Dimethylbutanoyl Chloride is a versatile and highly reactive acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its ability to efficiently introduce the 4-chloro-2,2-dimethylbutanoyl moiety, enabling the construction of complex molecules with tailored properties. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for the development of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of compounds with specific steric and electronic properties.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where the chlorinated dimethylbutanoyl group can enhance biological activity.
• Polymer Chemistry: Acts as a monomer or modifying agent for the synthesis of specialty polymers, coatings, and resins with improved performance characteristics.
• Organic Synthesis Reagent: A valuable reagent for acylation and condensation reactions in research laboratories and pilot-scale production.
• Liquid Crystal & Electronic Materials: Potential intermediate in the synthesis of organic compounds for electronic applications and display technologies.
• Dye & Pigment Manufacturing: Used to create novel dye structures and pigment dispersants with specific color fastness and solubility profiles.

Basic Information

Item	Detail
Product Name	4-Chloro-2,2-Dimethylbutanoyl Chloride
CAS No.	53840-39-4
Molecular Formula	C6H10Cl2O
Molecular Weight	169.05 g/mol
Synonyms	4-Chloro-2,2-dimethylbutyryl chloride; 4-Chloro-2,2-dimethylbutanoic acid chloride; 2,2-Dimethyl-4-chlorobutanoyl chloride; Butanoyl chloride, 4-chloro-2,2-dimethyl-; NSC 163081; 4-Chloro-2,2-dimethylbutyroyl chloride
EINECS	Contact for details

Quality Control

Our 4-Chloro-2,2-Dimethylbutanoyl Chloride is manufactured under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including GC/HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting specifications for sensitive synthetic applications. Certificates of Analysis (COA) documenting all critical parameters 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, well-ventilated area away from incompatible materials. Due to its hygroscopic (moisture-sensitive) nature and reactivity as a strong acid/organic solvent, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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