Description

Dibutyl Terephthalate is a high-purity diester of terephthalic acid, widely recognized for its excellent solvency and plasticizing properties. This compound is valued for its ability to enhance flexibility and processability in polymer systems while maintaining good thermal stability. 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) and other vinyl polymers to improve flexibility and elongation.
• Intermediate in the synthesis of specialty polymers, polyesters, and liquid crystal polymers (LCPs).
• Solvent and coalescing agent for high-performance industrial coatings and inks.
• Additive in adhesive formulations to modify viscosity and enhance film-forming characteristics.
• Component in specialty lubricants and functional fluids.
• Raw material for the production of other ester derivatives and fine chemicals.

Basic Information

Product Name	Dibutyl Terephthalate
CAS No.	1962-75-0
Molecular Formula	C16H22O4
Molecular Weight	278.34 g/mol
Synonyms	1,4-Benzenedicarboxylic acid, dibutyl ester; Butyl terephthalate; Terephthalic acid dibutyl ester; DBT; Dibutyl benzene-1,4-dicarboxylate; Di-n-butyl terephthalate; DBTP
EINECS	217-819-1

Quality Control

Our Dibutyl Terephthalate is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets exacting specifications for purity, identity, and performance. Certificates of Analysis (COA) detailing all test results are provided to guarantee traceability and compliance with your technical 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 oxidizing agents, heat, and ignition sources.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Acidity (as Terephthalic Acid)	≤ 0.05%
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Refractive Index (20°C)	1.490 - 1.495
Density (20°C)	1.040 - 1.060 g/mL

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