Description

1,3-Benzenedicarboxylic Acid, Bis(1-Methylethyl) Ester is a high-purity diester derivative of isophthalic acid, commonly known as diisopropyl isophthalate. This compound serves as a versatile and valuable chemical intermediate, prized for its role in modifying polymer properties and facilitating specialized organic syntheses. It is primarily sought by manufacturers in the polymer, specialty chemical, and advanced materials industries for applications requiring precise molecular architecture and performance enhancement.

Application

• Polymer Plasticizer and Modifier: Used to improve the flexibility, processability, and low-temperature performance of engineering plastics, PVC, and synthetic resins.
• Specialty Monomer for Polyesters and Polyamides: Acts as a key building block in the synthesis of high-performance, thermally stable condensation polymers.
• Intermediate for Organic Synthesis: Employed in pharmaceutical and agrochemical research for constructing complex molecular frameworks.
• Lubricant and Hydraulic Fluid Additive: Imparts desirable viscosity and stability characteristics in advanced functional fluid formulations.
• Coalescing Agent and Solvent: Used in high-performance coatings, adhesives, and inks to control film formation and evaporation rates.
• Crosslinking Agent: Facilitates the formation of polymer networks in elastomers and thermosetting resins for enhanced durability.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Bis(1-Methylethyl) Ester
CAS No.	1528-44-5
Molecular Formula	C14H18O4
Molecular Weight	250.29 g/mol
Synonyms	Diisopropyl Isophthalate; Diisopropyl Benzene-1,3-dicarboxylate; Isophthalic Acid Diisopropyl Ester; 1,3-Benzenedicarboxylic Acid Diisopropyl Ester; Bis(1-methylethyl) 1,3-Benzenedicarboxylate; DIPIP; Diisopropyl 1,3-Benzenedicarboxylate
EINECS	216-200-6

Quality Control

Our 1,3-Benzenedicarboxylic Acid, Bis(1-Methylethyl) Ester is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting key parameters are available for every shipment to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Acidity (as Isophthalic Acid)	≤ 0.05%
Specific Gravity (20°C)	1.080 - 1.100
Refractive Index (20°C)	1.505 - 1.515

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