Description

1,3-Propanediol Dibenzoate is a high-purity diester of 1,3-propanediol and benzoic acid, valued for its excellent solvency and plasticizing properties. This compound serves as a versatile intermediate and functional additive, offering compatibility with a wide range of polymers and resins. It is primarily sought by manufacturers in the plastics, coatings, and specialty chemical industries for formulating products with enhanced flexibility and performance.

Application

• Primary plasticizer and co-plasticizer for PVC, cellulose esters, and synthetic rubbers.
• Solvent and coalescing agent in specialty coatings, inks, and adhesive formulations.
• Intermediate in the synthesis of pharmaceuticals, liquid crystals, and other fine chemicals.
• Additive for improving the flexibility and low-temperature properties of polymer films and sheets.
• Component in personal care products as an emollient and solvent for fragrances.
• Processing aid and viscosity modifier in various industrial chemical processes.

Basic Information

Product Name	1,3-Propanediol Dibenzoate
CAS No.	2451-86-7
Molecular Formula	C17H16O4
Molecular Weight	284.31 g/mol
Synonyms	1,3-Propanediol Dibenzoate; Propane-1,3-diyl dibenzoate; 1,3-Propylene Glycol Dibenzoate; 1,3-Dihydroxypropane Dibenzoate; Dibenzoic Acid 1,3-Propanediol Ester; NSC 403697; Benzoic Acid, 1,3-Propanediyl Ester
EINECS	219-514-7

Quality Control

Our 1,3-Propanediol Dibenzoate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. A comprehensive Certificate of Analysis (COA) documenting purity, assay, and impurity profiles is provided with every shipment to guarantee consistency and compliance with your requirements.

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.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Refractive Index (20°C)	1.540 - 1.550
Density (20°C)	1.140 - 1.160 g/mL

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