Description

Bis(trans-3,3,5-Trimethylcyclohexyl) Phthalate is a high-performance, high-molecular-weight diester plasticizer derived from phthalic acid and a branched cyclohexanol isomer. This compound is valued for its excellent compatibility with a wide range of polymers, providing enhanced flexibility, low volatility, and improved low-temperature properties. It is primarily utilized in the formulation of specialty plastic compounds where durability and performance under demanding conditions are critical. Key industries seeking this product include advanced polymer manufacturing, specialty adhesives, and high-grade coating systems.

Application

• Primary plasticizer for high-performance Polyvinyl Chloride (PVC) and other polar polymers, imparting superior flexibility and elongation.
• Key component in the production of specialty adhesives and sealants, enhancing tack and low-temperature performance.
• Formulation of durable and flexible coatings, films, and synthetic leather for automotive and upholstery applications.
• Modifier for elastomers and rubber compounds to improve processability and cold-flex resistance.
• Used in wire and cable insulation formulations requiring long-term stability and plasticizer retention.
• Potential additive in printing inks and colorants to adjust rheological properties and film formation.

Basic Information

Product Name	Bis(trans-3,3,5-Trimethylcyclohexyl) Phthalate
CAS No.	245652-82-8
Molecular Formula	C26H38O4
Molecular Weight	414.58 g/mol
Synonyms	1,2-Benzenedicarboxylic acid, bis(3,3,5-trimethylcyclohexyl) ester; Di(3,3,5-trimethylcyclohexyl) phthalate; Phthalic acid, bis(3,3,5-trimethylcyclohexyl) ester; TMCH Phthalate; Bis(3,3,5-trimethylcyclohexyl) phthalate; Plasticizer TMCHP
EINECS	Contact for details

Quality Control

Our Bis(trans-3,3,5-Trimethylcyclohexyl) Phthalate 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. Certificates of Analysis (COA) documenting key parameters are available for every shipment. We are committed to consistency and supply reliability for our global B2B partners.

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	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.5%
Acidity (as Phthalic Acid)	≤ 0.05%
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Specific Gravity (20°C)	1.010 - 1.030
Refractive Index (20°C)	1.485 - 1.495

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