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Difluoroacetic Anhydride CAS NO 401-67-2
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CAS No.:401-67-2
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Difluoroacetic Anhydride is a highly reactive fluorinated organic reagent. This compound is essential for introducing the difluoroacetyl group into target molecules, a key step in the synthesis of advanced pharmaceutical intermediates and agrochemicals. It is primarily used by R&D chemists and process engineers in the fine chemical, pharmaceutical, and agrochemical industries for building complex, fluorine-containing molecular architectures.
Application
- Pharmaceutical Intermediate Synthesis: A key building block for the production of active pharmaceutical ingredients (APIs) containing difluoromethyl or difluoroacetyl motifs.
- Agrochemical Manufacturing: Used in the synthesis of novel herbicides, fungicides, and insecticides where fluorine substitution enhances biological activity and stability.
- Material Science Precursor: Serves as a monomer or modifying agent in the development of specialty polymers and fluorinated surface coatings.
- Organic Synthesis Reagent: Employed in acetylation and esterification reactions under controlled conditions to synthesize esters, amides, and other derivatives.
- Ligand and Catalyst Development: Used in research for modifying ligands or creating novel organometallic catalysts.
- Fluorine Chemistry Research: A fundamental reagent in academic and industrial laboratories exploring new fluorination methodologies and reaction pathways.
Basic Information
| Product Name | Difluoroacetic Anhydride |
| CAS No. | 401-67-2 |
| Molecular Formula | C4H2F4O3 |
| Molecular Weight | 174.05 g/mol |
| Synonyms | Acetic Acid, 2,2-Difluoro-, Anhydride; 2,2-Difluoroacetic Anhydride; Difluoroacetic Acid Anhydride; Bis(2,2-difluoroacetyl) Ether; DFAA; 2,2-Difluoroacetyl Anhydride |
| EINECS | 206-935-1 |
Quality Control
Our Difluoroacetic Anhydride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic and reactive nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) and handle in a moisture-controlled environment. Keep away from strong bases and oxidizing agents.
Specification
| Item | Specification |
|---|---|
| Appearance | Clear, colorless to pale yellow liquid |
| Identification (IR) | Conforms to structure |
| Assay (GC) | ≥ 98.0% |
| Water Content (KF) | ≤ 0.5% |
| Related Impurities (GC) | ≤ 1.0% (total) |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
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Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





