Description

Dibenzyl Phthalate is a high-purity diester of phthalic acid, widely recognized for its excellent solvating and plasticizing properties. This compound is valued for its ability to enhance flexibility, durability, and processing characteristics in various polymer systems. It serves as a critical intermediate and functional additive for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable performance and consistent quality.

Application

• Primary plasticizer for polyvinyl chloride (PVC), cellulose acetate, and other synthetic resins to improve flexibility and workability.
• Key component in the formulation of specialty adhesives, sealants, and coatings, contributing to film formation and elasticity.
• Versatile solvent and intermediate in organic synthesis and pharmaceutical manufacturing processes.
• Functional additive in printing inks and dye carriers to control viscosity and drying time.
• Used as a dielectric fluid and lubricant additive in specific electrical and industrial applications.
• Employed in laboratory research as a reference standard and reagent for analytical and developmental work.

Basic Information

Product Name	Dibenzyl Phthalate
CAS No.	523-31-9
Molecular Formula	C22H18O4
Molecular Weight	346.38 g/mol
Synonyms	1,2-Benzenedicarboxylic Acid, 1,2-Dibenzyl Ester; Dibenzyl Benzene-1,2-dicarboxylate; Benzyl Phthalate; Phthalic Acid Dibenzyl Ester; DBP (context-specific); NSC 154164; Bis(phenylmethyl) Phthalate
EINECS	208-349-1

Quality Control

Our Dibenzyl Phthalate is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications, including identity, assay, and impurity profiles. Certificates of Analysis (COA) documenting these results are provided and available upon request 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 room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed when not in use to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as Phthalic Acid)	≤ 0.1%
Refractive Index (20°C)	1.568 - 1.572
Density (20°C)	1.17 - 1.19 g/cm³

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