Description

Bis(4-Phenyl-3-Butenoic)Anhydride is a specialized organic anhydride monomer used in the synthesis of advanced polymers and fine chemicals. Its unique structure, featuring two phenyl and alkenyl groups, makes it a valuable building block for creating materials with tailored thermal and mechanical properties. This compound is primarily sought by R&D chemists and process engineers in the polymer, pharmaceutical intermediate, and specialty chemical manufacturing sectors.

Application

• Polymer Synthesis: Key monomer for the production of specialty polyimides, polyesters, and epoxy curing agents, imparting high heat resistance and strength.
• Pharmaceutical Intermediates: Serves as a crucial precursor in the synthesis of complex active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Crosslinking Agent: Used in coatings, adhesives, and composite materials to enhance durability, chemical resistance, and thermal stability.
• Fine Chemical Production: Employed in organic synthesis for creating novel compounds with specific functional groups for research and development.
• Material Science Research: Utilized in academic and industrial labs to develop new polymeric materials with advanced optical or electronic properties.

Basic Information

Product Name	Bis(4-Phenyl-3-Butenoic)Anhydride
CAS No.	40418-64-2
Molecular Formula	C26H20O3
Molecular Weight	380.44 g/mol
Synonyms	4,4'-(1,3-Dioxo-1,3-dihydroisobenzofuran-1,3-diyl)bis(but-3-enoic acid) diphenyl derivative; 1,3-Isobenzofurandione, 5,5'-(1,4-phenylenebis(1-oxo-3-buten-4,1-diyl))bis-; Bis(4-phenyl-3-butenoic) anhydride; Anhydride of 4-phenyl-3-butenoic acid dimer; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Every batch of Bis(4-Phenyl-3-Butenoic)Anhydride is manufactured and tested under a strict quality management system. We ensure the product meets high-purity standards suitable for demanding synthetic applications. Comprehensive analytical testing, including HPLC, NMR, and FTIR, is performed to verify identity and purity. A Certificate of Analysis (COA) documenting all test results is provided with each shipment to guarantee traceability and consistency.

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). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.