Description

4-Phenylethynylphthalic Dimethyl Ester is a specialized organic compound belonging to the class of phthalate esters, characterized by the presence of a phenylethynyl group. This structural feature makes it a valuable intermediate in advanced material synthesis, particularly for applications requiring specific optical or electronic properties. It is primarily sought by manufacturers and R&D departments in the polymer, specialty chemical, and pharmaceutical industries for developing high-performance materials and fine chemicals.

Application

• As a key monomer or cross-linking agent in the synthesis of high-temperature and high-performance polymers.
• As an advanced intermediate in pharmaceutical research for the development of novel active pharmaceutical ingredients (APIs).
• In material science for creating specialty polymers with tailored optical properties.
• As a building block in organic synthesis for academic and industrial research laboratories.
• Potential use in the formulation of specialty adhesives and coatings requiring enhanced thermal stability.
• As a standard or reference material in analytical chemistry and quality control laboratories.

Basic Information

Product Name	4-Phenylethynylphthalic Dimethyl Ester
CAS No.	865354-04-7
Molecular Formula	C20H16O4
Molecular Weight	320.34 g/mol
Synonyms	Dimethyl 4-(phenylethynyl)phthalate; 1,2-Benzenedicarboxylic acid, 4-(2-phenylethynyl)-, dimethyl ester; 4-(Phenylethynyl)phthalic acid dimethyl ester; 4-(2-Phenylethynyl)phthalic Acid Dimethyl Ester
EINECS	Contact for details

Quality Control

Our 4-Phenylethynylphthalic Dimethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics is provided with every shipment to guarantee it meets your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

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%
Residue on Ignition	≤ 0.1%

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