Description

1,3-Benzenedicarboxylic Acid, Dicyclohexyl Ester is a high-purity diester derivative of isophthalic acid. This compound serves as a versatile and high-performance intermediate, valued for its ability to modify polymer properties and act as a specialty plasticizer. It is primarily sought after by manufacturers in the polymer, specialty chemical, and advanced materials sectors. Its unique structure offers advantages in enhancing flexibility, thermal stability, and compatibility in complex formulations.

Application

• Polymer Modification: Used as a comonomer or additive to improve the flexibility, processability, and low-temperature performance of engineering plastics and polyesters.
• Specialty Plasticizer: Functions as a high-efficiency plasticizer in PVC and other polymer systems where low volatility and good permanence are required.
• Synthetic Intermediate: A key building block in the synthesis of more complex organic molecules, including liquid crystals and specialty esters.
• Adhesive & Sealant Formulations: Imparts enhanced adhesion and flexibility in high-performance adhesive and sealant products.
• Coating Resins: Incorporated into coating formulations to improve film formation, durability, and chemical resistance.
• Lubricant & Grease Additive: Acts as a synthetic base oil or additive to improve the viscosity index and thermal stability of lubricants.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Dicyclohexyl Ester
CAS No.	18699-42-8
Molecular Formula	C22H30O4
Molecular Weight	358.47 g/mol
Synonyms	Dicyclohexyl Isophthalate; Isophthalic Acid Dicyclohexyl Ester; DCHP (Dicyclohexyl Phthalate isomer); 1,3-Benzenedicarboxylic Acid Bis(cyclohexyl) Ester; Bis(cyclohexyl) Benzene-1,3-dicarboxylate; Cyclohexyl Isophthalate; Dicyclohexyl 1,3-Benzenedicarboxylate
EINECS	242-500-5

Quality Control

Our 1,3-Benzenedicarboxylic Acid, Dicyclohexyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee consistency and traceability for your critical applications.

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
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	65 - 70 °C
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.