Description

Bis(3-Fluorobenzoic)Anhydride is a high-purity fluorinated aromatic anhydride, a key building block in advanced organic synthesis. Its value lies in its ability to introduce the 3-fluorobenzoate moiety, which is crucial for modifying the physical, chemical, and biological properties of target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and functional materials where fluorine substitution is strategically important.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds requiring fluorinated aromatic systems to enhance metabolic stability, bioavailability, and receptor binding affinity.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where the fluorine atom can improve lipophilicity, photostability, and overall efficacy.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers, such as polyimides or polyesters, with enhanced thermal stability, chemical resistance, and specific dielectric properties.
• Liquid Crystal & OLED Materials: Employed in the synthesis of fluorinated components for electronic display materials, contributing to improved performance and durability.
• Organic Synthesis Reagent: Functions as an efficient acylating agent for introducing the 3-fluorobenzoyl group into alcohols, amines, and other nucleophiles under mild conditions.
• Fluorinated Dye & Pigment Production: Used to synthesize fluorinated derivatives that offer superior lightfastness and unique chromatic properties.

Basic Information

Product Name	Bis(3-Fluorobenzoic)Anhydride
CAS No.	56666-54-7
Molecular Formula	C14H6F2O3
Molecular Weight	260.20 g/mol
Synonyms	3-Fluorobenzoic Anhydride; Di(3-fluorobenzoyl) Anhydride; Bis(3-fluorobenzoyl) Ether; 3,3'-(Carbonylbis(oxy))bis(fluorobenzene); 3-Fluorobenzoic Acid Anhydride; Anhydrid kyseliny 3-fluorbenzoove [Czech]; 3-Fluorobenzoic anhydride
EINECS	Contact for details

Quality Control

Our Bis(3-Fluorobenzoic)Anhydride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most demanding synthesis workflows.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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