Description

Isophthalic Acid Dipropyl Ester CAS NO 3143-06-4 is a high-purity diester derivative of isophthalic acid, valued for its role as a specialized chemical intermediate and plasticizer. This compound is engineered to provide consistent performance in formulations requiring specific solubility and compatibility profiles. It is primarily utilized by manufacturers in the polymer, specialty chemical, and advanced materials sectors for developing tailored products.

Application

• Polymer Plasticizer: Imparts flexibility and workability to specialty polymers and resins.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex esters, polyesters, and specialty chemicals.
• Solvent and Carrier: Acts as a high-boiling point solvent or carrier fluid in coatings, inks, and adhesive formulations.
• Lubricant Additive: Used as a component in synthetic lubricants and functional fluids to modify viscosity and stability.
• Specialty Material Production: Employed in the manufacture of advanced materials, including certain liquid crystals and performance additives.

Basic Information

Product Name	Isophthalic Acid Dipropyl Ester
CAS No.	3143-06-4
Molecular Formula	C14H18O4
Molecular Weight	250.29 g/mol
Synonyms	Dipropyl Isophthalate; Dipropyl Benzene-1,3-dicarboxylate; 1,3-Benzenedicarboxylic Acid, Dipropyl Ester; Isophthalic Acid Dipropyl Ester; Propyl Isophthalate; Dipropyl 1,3-Benzenedicarboxylate; Isophthalic Acid Di-n-propyl Ester
EINECS	221-555-9

Quality Control

Our Isophthalic Acid Dipropyl Ester is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets exacting purity and consistency standards. A Certificate of Analysis (COA) detailing key parameters is provided with each shipment to guarantee traceability and compliance with your specifications.

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 alkalis and incompatible materials. For long-term storage, consider using an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Acid Value	≤ 0.5 mg KOH/g
Refractive Index (20°C)	1.490 - 1.500
Density (20°C)	1.08 - 1.12 g/cm³

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