Description

2,2-Dimethylcyclopropanecarbonyl Chloride is a highly reactive acyl chloride derivative, serving as a critical building block for the synthesis of more complex organic molecules. Its value lies in introducing the sterically hindered 2,2-dimethylcyclopropane moiety, which can impart unique conformational and metabolic stability to target compounds. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced material science sectors, particularly for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring cyclopropane rings for bioactivity or metabolic resistance.
• Agrochemical Synthesis: Used to construct novel pesticides and herbicides where the dimethylcyclopropyl group enhances potency and environmental stability.
• Material Science: Building block for specialty polymers and liquid crystals, where its rigid structure can influence material properties like thermal stability and optical characteristics.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for amide bond formation, esterification, and the preparation of other functional derivatives via nucleophilic acyl substitution.
• Flavor & Fragrance Chemistry: Intermediate for synthesizing complex aroma chemicals with unique, long-lasting scent profiles.

Basic Information

Product Name	2,2-Dimethylcyclopropanecarbonyl Chloride
CAS No.	50675-57-5
Molecular Formula	C6H9ClO
Molecular Weight	132.59 g/mol
Synonyms	2,2-Dimethylcyclopropanecarboxylic Acid Chloride; 2,2-Dimethylcyclopropanecarboxyl Chloride; 2,2-Dimethylcyclopropanoyl Chloride; Cyclopropanecarbonyl chloride, 2,2-dimethyl-; 2,2-Dimethylcyclopropylcarbonyl Chloride; 50675-57-5; (2,2-Dimethylcyclopropyl)carbonyl chloride
EINECS	Contact for details

Quality Control

Our 2,2-Dimethylcyclopropanecarbonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic and reactive nature, it should be kept under an inert atmosphere (e.g., nitrogen or argon) and separated from strong bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (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.