Description

4-Benzoylphthalic Anhydride is a high-value, functionalized aromatic anhydride used as a key synthetic intermediate. Its structure makes it a versatile building block for creating advanced polymers and fine chemicals with tailored properties. This compound is essential for R&D and production in the pharmaceutical, agrochemical, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: Synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring complex aromatic scaffolds.
• Polymer & Resin Modifier: Production of high-performance polyimides, polyesters, and epoxy resins, where it imparts enhanced thermal stability and mechanical strength.
• Agrochemical Synthesis: Building block for advanced herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Manufacturing: Key precursor in the synthesis of specialized organic pigments and colorants.
• Crosslinking Agent: Used in coatings and adhesives formulations to improve durability and chemical resistance.
• Academic & Industrial Research: Valuable reagent for material science research and the development of novel organic compounds.

Basic Information

Product Name	4-Benzoylphthalic Anhydride
CAS No.	3886-01-9
Molecular Formula	C15H8O4
Molecular Weight	252.22 g/mol
Synonyms	4-Benzoylphthalic Anhydride; 4-Benzoyl-1,3-isobenzofurandione; 4-(Benzoyl)phthalic Anhydride; 1,3-Isobenzofurandione, 4-benzoyl-; 4-Benzoylphthalic Acid Anhydride; Phthalic Anhydride, 4-benzoyl-; Benzoylphthalic Anhydride
EINECS	223-418-9

Quality Control

Our 4-Benzoylphthalic Anhydride is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept sealed to prevent degradation from atmospheric moisture.

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	≤ 1.0%
Residue on Ignition	≤ 0.1%

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