Description

Bis(3,5,5-Trimethylhexyl) Phthalate is a high-molecular-weight diester plasticizer known for its excellent permanence and low volatility. This compound is valued for its ability to impart flexibility, durability, and resistance to extraction in demanding polymer applications. It is primarily sought by manufacturers in the plastics, coatings, and specialty chemical industries for formulating high-performance products.

Application

• Primary Plasticizer for PVC and other polymers requiring low migration and high-temperature stability.
• Wire and Cable Insulation formulations where long-term flexibility and electrical properties are critical.
• Automotive Interiors and under-hood components for resistance to fogging and heat aging.
• Coated Fabrics and synthetic leather to achieve durable, flexible finishes.
• Sealants and Adhesives to enhance flexibility and adhesion over a wide temperature range.
• Specialty Polymer Blends where compatibility with polar polymers is required.

Basic Information

Product Name	Bis(3,5,5-Trimethylhexyl) Phthalate
CAS No.	14103-61-8
Molecular Formula	C26H42O4
Molecular Weight	418.61 g/mol
Synonyms	Di(3,5,5-Trimethylhexyl) Phthalate; Diisononyl Phthalate (DINP) - Isomeric Mixture; 1,2-Benzenedicarboxylic Acid, Bis(3,5,5-Trimethylhexyl) Ester; Palatinol® N; Hexamoll® DINCH (related isomer); Plasticizer TMH; 3,5,5-Trimethylhexyl Phthalate Ester; DINP (C9 rich)
EINECS	Contact for details

Quality Control

Our Bis(3,5,5-Trimethylhexyl) Phthalate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color, acidity, and other critical parameters. Certificates of Analysis (COA) are provided with every shipment to guarantee consistent quality and traceability.

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 and heat sources.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Color (APHA)	≤ 30
Acidity (as Phthalic Acid)	≤ 0.01%
Water Content (KF)	≤ 0.05%
Specific Gravity (20°C)	0.970 - 0.978
Refractive Index (20°C)	1.483 - 1.487

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