Description

5-Phenoxy-1,3-Benzenedicarboxylic Acid Dimethyl Ester is a high-purity organic ester compound, serving as a versatile and critical building block in advanced chemical synthesis. Its value lies in its unique aromatic and ester functionalities, which enable the construction of complex molecular architectures. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require reliable, high-quality raw materials for product development and scale-up.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of active pharmaceutical ingredients (APIs), particularly for compounds requiring a diphenoxybenzene core structure.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators where its aromatic ester backbone provides specific biological activity.
• Liquid Crystal & OLED Material Precursor: Serves as a fundamental building block for creating advanced organic electronic materials, including liquid crystals and charge-transport layers.
• Polymer & Resin Modifier: Incorporated into specialty polymers, polyesters, and epoxy resins to alter physical properties such as flexibility, thermal stability, and solubility.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D labs for constructing complex organic molecules, including ligands and dyes.
• Fine Chemical Production: Employed in the multi-step synthesis of various fine chemicals and performance materials requiring precise molecular control.

Basic Information

Product Name	5-Phenoxy-1,3-Benzenedicarboxylic Acid Dimethyl Ester
CAS No.	54002-45-8
Molecular Formula	C17H16O5
Molecular Weight	300.31 g/mol
Synonyms	Dimethyl 5-Phenoxyisophthalate; 1,3-Benzenedicarboxylic Acid, 5-Phenoxy-, Dimethyl Ester; Isophthalic Acid, 5-Phenoxy-, Dimethyl Ester; 5-Phenoxyisophthalic Acid Dimethyl Ester; NSC 163044; AI3-03102; Dimethyl 5-Phenoxybenzene-1,3-dicarboxylate
EINECS	Contact for details

Quality Control

Our 5-Phenoxy-1,3-Benzenedicarboxylic Acid Dimethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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 at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

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%
Heavy Metals	≤ 20 ppm

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