Description

1,3-Benzenedipropionic Acid Dimethyl Ester is a high-purity diester compound with the CAS registry number 6221-61-0. This versatile chemical intermediate is valued for its role in synthesizing advanced polymers, specialty chemicals, and fine pharmaceuticals. It is primarily sought by manufacturers in the polymer, pharmaceutical, and agrochemical industries for its consistent quality and reliable performance in complex synthesis pathways.

Application

• Polymer Synthesis: A key monomer or chain extender in the production of specialty polyesters, polyamides, and other high-performance polymers.
• Pharmaceutical Intermediates: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemicals: Used in the manufacture of advanced pesticides, herbicides, and plant growth regulators.
• Liquid Crystal Polymers (LCPs): An important precursor in the synthesis of monomers for high-temperature and high-strength LCPs.
• Organic Synthesis: Employed as a diester reagent in various condensation, transesterification, and coupling reactions in fine chemical production.
• Crosslinking Agent: Functions as a crosslinker in resin and coating formulations to enhance thermal and mechanical properties.
• Research & Development: Utilized in academic and industrial R&D for exploring new materials and chemical processes.

Basic Information

Product Name	1,3-Benzenedipropionic Acid Dimethyl Ester
CAS No.	6221-61-0
Molecular Formula	C14H18O4
Molecular Weight	250.29 g/mol
Synonyms	Dimethyl 1,3-Phenylenedipropionate; Dimethyl 5-Carboxypentyl Isophthalate; Dimethyl Isophthaloyldipropionate; Dimethyl 3,3'-(1,3-Phenylenebis(oxy))dipropionate; Isophthalic Acid, Dipropionic Acid Dimethyl Ester; 1,3-Phenylenebis(propanoic acid) dimethyl ester; Benzene-1,3-diyldipropionic Acid Dimethyl Ester
EINECS	Contact for details

Quality Control

Our 1,3-Benzenedipropionic Acid Dimethyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) are provided with every shipment and are available upon request.

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 (as Pb)	≤ 10 ppm

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