Description

Decyl Octyl Trimethyladipate is a high-performance, branched-chain diester plasticizer and emollient. This specialty chemical offers excellent solvency, low volatility, and superior compatibility with a wide range of polymers and formulations. It is a critical component for manufacturers in the plastics, personal care, and lubricant industries seeking enhanced product flexibility, stability, and skin feel.

Application

• Primary Plasticizer for PVC, polyurethane, and other synthetic polymers, providing low-temperature flexibility and durability.
• Functional Emollient in cosmetic and personal care formulations, such as lotions, creams, and sunscreens, for a non-greasy, smooth skin feel.
• Lubricant Base Stock & Additive in synthetic lubricants and greases, contributing to thermal stability and viscosity control.
• Solvent & Carrier Fluid in industrial applications, including coatings, inks, and adhesive systems.
• Textile Auxiliary used as a softening agent and lubricant in fiber and fabric processing.
• Rubber Processing Aid to improve the plasticity and workability of elastomer compounds.

Basic Information

Product Name	Decyl Octyl Trimethyladipate
CAS No.	26856-72-4
Molecular Formula	C27H52O4
Molecular Weight	440.71 g/mol
Synonyms	1,6-Hexanedioic acid, 3,3,4-trimethyl-, 1-decyl 6-octyl ester; Trimethyladipic Acid Decyl Octyl Ester; Decyl Octyl Trimethyl Adipate; DOTMA; Plasticizer DOTMA; Emollient DOTMA; 3,3,4-Trimethyladipic Acid Decyl Octyl Ester
EINECS	Contact for details

Quality Control

Our Decyl Octyl Trimethyladipate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color, and physical properties. Certificates of Analysis (COA) are provided to guarantee consistent quality and traceability for our global B2B clients.

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 organic solvents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Color (APHA)	≤ 50
Moisture (KF)	≤ 0.1%
Specific Gravity (20°C)	0.92 - 0.96
Refractive Index (20°C)	1.445 - 1.455

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