Description

Bis(cis-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 matters for its exceptional ability to impart low-temperature flexibility, permanence, and resistance to extraction in demanding polymer formulations. It is primarily needed by manufacturers of specialty PVC, synthetic rubbers, and high-end polymer blends where superior performance and durability are critical.

Application

• Primary plasticizer for high-performance PVC (polyvinyl chloride) applications requiring excellent low-temperature properties.
• Key component in the formulation of specialty synthetic rubbers and elastomers to enhance flexibility and longevity.
• Used in the production of wire and cable insulation and jacketing due to its good electrical properties and permanence.
• Plasticizer for adhesives, sealants, and caulks where low volatility and migration resistance are required.
• Modifier in polymer blends and composites to improve processability and end-product performance.
• Potential use as a specialty solvent or intermediate in advanced organic synthesis and fine chemical production.

Basic Information

Product Name	Bis(cis-3,3,5-Trimethylcyclohexyl) Phthalate
CAS No.	245652-81-7
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; Bis(3,3,5-trimethylcyclohexyl) phthalate; DTMCHP; Phthalic acid bis(3,3,5-trimethylcyclohexyl) ester; Plasticizer DTMCHP; cis,cis-Bis(3,3,5-trimethylcyclohexyl) phthalate
EINECS	Contact for details

Quality Control

Our Bis(cis-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 characteristics. A comprehensive Certificate of Analysis (COA) documenting these results is available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Acidity (as Phthalic Acid)	≤ 0.05%
Water Content (KF)	≤ 0.1%
Color (APHA/Pt-Co)	≤ 50
Refractive Index (n20D)	1.485 - 1.495
Specific Gravity (20/20°C)	1.010 - 1.030

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