Description

Dichloroacetic Anhydride is a highly reactive acylating agent and a key chemical intermediate in organic synthesis. Its primary value lies in its ability to efficiently introduce the dichloroacetyl functional group, a critical building block for more complex molecules. This compound is essential for manufacturers and research laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Synthesis of active pharmaceutical ingredients (APIs), particularly those requiring the dichloroacetyl moiety for biological activity or as a protective group.
• Agrochemical Synthesis: Production of herbicides, fungicides, and other crop protection agents where the dichloroacetic acid derivative is a key structural component.
• Polymer Chemistry: Used as a monomer or modifying agent in the production of specialty polymers with specific thermal or chemical resistance properties.
• Organic Synthesis Reagent: A versatile reagent for acylation reactions in academic and industrial research laboratories for creating esters, amides, and other derivatives.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of complex organic dyes and colorants.
• Chemical Derivatization: Used in analytical chemistry to derivative compounds for improved detection via gas chromatography or other methods.

Basic Information

Product Name	Dichloroacetic Anhydride
CAS No.	4124-30-5
Molecular Formula	C4H2Cl4O3
Molecular Weight	231.86 g/mol
Synonyms	Dichloroacetic acid anhydride; Bis(dichloroacetyl) oxide; Dichloroacetyl anhydride; 2,2-Dichloroacetic anhydride; DCAA; Dichloroethanoic anhydride; Acetic acid, 2,2-dichloro-, anhydride
EINECS	223-925-8

Quality Control

Our Dichloroacetic Anhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of industrial and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee supply reliability and product traceability.

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, amines, and oxidizing agents. Due to its nature as a strong acid/organic solvent, containers must be kept tightly sealed to prevent moisture absorption and 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%
Dichloroacetic Acid	≤ 1.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.55 - 1.60

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