Description

Propane-1,3-Diyl Isophthalate is a specialized diester compound derived from isophthalic acid and 1,3-propanediol. This chemical serves as a critical monomer or intermediate in the synthesis of high-performance polymers and specialty materials. It is primarily sought after by manufacturers in the polymer, resin, and advanced material sectors for its role in creating materials with tailored thermal and mechanical properties.

Application

• Primary monomer for the synthesis of specialty polyesters and copolyesters.
• Key intermediate in the production of plasticizers for enhancing polymer flexibility.
• Building block for unsaturated polyester resins (UPR) used in composites and coatings.
• Raw material in the manufacture of powder coatings and high-durability surface finishes.
• Intermediate for liquid crystal polymers (LCPs) and other high-temperature engineering plastics.
• Component in adhesive and sealant formulations requiring specific rheological properties.

Basic Information

Product Name	Propane-1,3-Diyl Isophthalate
CAS No.	97552-48-2
Molecular Formula	C14H14O4
Molecular Weight	246.26 g/mol
Synonyms	1,3-Propanediol Diisophthalate; Isophthalic Acid, 1,3-Propanediol Diester; Propylene Diisophthalate; 1,3-Propylene Diisophthalate; Isophthalic Acid Propylene Ester; PDIP; Bis(3-hydroxypropyl) Isophthalate (precursor form)
EINECS	Contact for details

Quality Control

Our Propane-1,3-Diyl Isophthalate is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability for industrial synthesis. Product quality is verified against established in-house specifications, which are designed to meet the demanding requirements of polymer manufacturing. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with each 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). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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