Description

Malonyl Chloride is a highly reactive acyl chloride derivative, primarily used as a versatile building block in organic synthesis. Its value lies in its ability to efficiently introduce the malonyl group, a key structural motif, into target molecules under controlled conditions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it serves as a critical intermediate for synthesizing active ingredients, dyes, and polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of β-keto esters, barbiturates, and various heterocyclic compounds with biological activity.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers and resins.
• Dye and Pigment Manufacturing: Intermediate in the production of complex organic dyes and colorants.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in organic methodology and material science.
• Peptide Synthesis: Can be employed for the protection and activation of carboxylic acid groups in peptide coupling reactions.

Basic Information

Item	Detail
Product Name	Malonyl Chloride
CAS No.	1663-67-8
Molecular Formula	C3H2Cl2O2
Molecular Weight	140.95 g/mol
Synonyms	Propanedioyl Dichloride; Malonyl Dichloride; Malonic Acid Dichloride; Malonic Dichloride; Chlorocarbonylacetyl Chloride; 1,3-Dichloro-1,3-dioxopropane; Propanedioyl dichloride (IUPAC); Malonylchlorid
EINECS	216-772-8

Quality Control

Our Malonyl Chloride is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the exacting requirements of our industrial and research clients. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its highly volatile and hygroscopic nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Keep away from strong bases, oxidizers, and sources of ignition.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (Karl Fischer)	≤ 0.5%
Free Chloride	≤ 1.0%

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