Description

2-Chlorocarbonyl-2-Methyl-Propionic Acid Ethyl Ester is a versatile and highly reactive organic building block, primarily valued for its role as a key intermediate in advanced chemical synthesis. Its bifunctional nature, featuring both an acid chloride and an ester group, makes it indispensable for constructing complex molecular architectures. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to introduce specific functional groups and create novel compounds.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of prodrugs and molecules with specific ester or amide linkages.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, where its reactive groups enable the creation of targeted bioactive molecules.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty polymers, resins, and coatings with tailored properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for peptide coupling, acylation reactions, and the synthesis of complex esters and amides.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized dyes, pigments, and optical brighteners.
• Flavor and Fragrance Industry: Utilized in the controlled synthesis of specific ester compounds that contribute to complex aroma and flavor profiles.

Basic Information

Product Name	2-Chlorocarbonyl-2-Methyl-Propionic Acid Ethyl Ester
CAS No.	64244-87-7
Molecular Formula	C7H11ClO3
Molecular Weight	178.62 g/mol
Synonyms	Ethyl 2-(Chlorocarbonyl)-2-methylpropanoate; 2-Methyl-2-(chloroformyl)propionic Acid Ethyl Ester; Ethyl 2-Methyl-2-(chloroformyl)propionate; 2-Methylmalonyl Chloride Monoethyl Ester; Ethyl 2-Methylmalonyl Chloride; NSC 403107; α-(Chlorocarbonyl)isobutyric Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Every batch of 2-Chlorocarbonyl-2-Methyl-Propionic Acid Ethyl Ester is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards through rigorous analytical controls, including chromatography and spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and reacts with strong acids/organic solvents; therefore, it must be kept under an inert atmosphere (e.g., nitrogen or argon) in its original packaging and isolated from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Density	~1.15 g/cm³

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