Description

Dioctyl 2,4,4-Trimethyladipate is a high-purity, synthetic diester valued for its excellent solvency and plasticizing properties. This specialty chemical is engineered to deliver consistent performance as a low-volatility processing aid and compatibilizer in demanding formulations. It is primarily sought by manufacturers in the polymer, coatings, and specialty lubricant industries seeking to enhance product flexibility and durability.

Application

• Primary plasticizer and secondary co-plasticizer for PVC, polyurethane, and other polymer systems.
• High-performance lubricant base oil and additive for synthetic lubricants and greases.
• Solvent and carrier fluid in specialty coatings, inks, and adhesive formulations.
• Processing aid to improve the flow and mold release properties of engineering plastics.
• Functional fluid in high-temperature hydraulic and heat transfer systems.
• Compatibilizer and viscosity modifier for elastomers and sealants.

Basic Information

Product Name	Dioctyl 2,4,4-Trimethyladipate
CAS No.	68425-96-7
Molecular Formula	C24H46O4
Molecular Weight	398.63 g/mol
Synonyms	Bis(2-ethylhexyl) 2,4,4-Trimethyladipate; Di(2-ethylhexyl) 2,4,4-Trimethyladipate; 2,4,4-Trimethyladipic Acid Dioctyl Ester; 2-Ethylhexyl 2,4,4-Trimethyladipate; TMA-DE; TMA-DEH; Adipic Acid, 2,4,4-Trimethyl-, Bis(2-ethylhexyl) Ester
EINECS	Contact for details

Quality Control

Our Dioctyl 2,4,4-Trimethyladipate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) documenting purity, identity, and key parameters is available for each lot to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong acids and oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value	≤ 0.1 mg KOH/g
Moisture (KF)	≤ 0.1%
Color (APHA)	≤ 50
Specific Gravity (20°C)	0.920 - 0.935
Refractive Index (20°C)	1.440 - 1.450

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