Description

Benzyl Butyl Terephthalate is a high-purity specialty ester widely used as a plasticizer and intermediate in advanced polymer formulations. Its value lies in its ability to impart flexibility, durability, and specific performance characteristics to high-end synthetic materials. This compound is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable and consistent raw materials for their production processes.

Application

• Primary Plasticizer for polyvinyl chloride (PVC), polyvinyl acetate (PVAc), and other synthetic resins to enhance flexibility and workability.
• Performance Additive in specialty adhesives and sealants, improving bond strength and elongation properties.
• Polymer Modifier in wire and cable insulation coatings to improve thermal stability and electrical properties.
• Co-formulant in industrial and automotive coatings to adjust viscosity and film-forming characteristics.
• Chemical Intermediate for the synthesis of more complex esters and functional polymers.
• Lubricant Additive to modify the rheological properties of synthetic oils and greases.

Basic Information

Product Name	Benzyl Butyl Terephthalate
CAS No.	26386-42-5
Molecular Formula	C19H20O4
Molecular Weight	312.36 g/mol
Synonyms	1,4-Benzenedicarboxylic acid, benzyl butyl ester; Butyl benzyl terephthalate; Benzyl butyl benzene-1,4-dicarboxylate; BBT; Terephthalic acid benzyl butyl ester; Dibutyl benzyl terephthalate (common name); BBTP
EINECS	Contact for details

Quality Control

Our Benzyl Butyl Terephthalate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting purity, physical properties, and safety data are available upon request to support your quality assurance protocols.

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 alkalis and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed when not in use to prevent contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Acidity (as Terephthalic Acid)	≤ 0.05%
Specific Gravity (20°C)	1.120 - 1.135
Refractive Index (20°C)	1.535 - 1.545

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