Description

Trimethylolpropane Tris(2-Ethylhexanoate) is a high-purity synthetic ester derived from trimethylolpropane and 2-ethylhexanoic acid. This versatile compound serves as a key intermediate and performance additive, valued for its excellent solvency, plasticizing properties, and thermal stability. It is essential for manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance product flexibility, durability, and processing characteristics.

Application

• Primary plasticizer and co-plasticizer in the production of flexible PVC, polyurethanes, and other polymer systems.
• Intermediate in the synthesis of specialized lubricants, hydraulic fluids, and metalworking fluids.
• Solvent and coalescing agent for high-performance industrial coatings, inks, and adhesives.
• Additive for improving the low-temperature flexibility and UV stability of elastomers and sealants.
• Raw material for manufacturing radiation-curable oligomers and resins.
• Plasticizer for specialty cellulose-based plastics and nitrocellulose lacquers.

Basic Information

Product Name	Trimethylolpropane Tris(2-Ethylhexanoate)
CAS No.	26086-33-9
Molecular Formula	C33H62O6
Molecular Weight	554.85 g/mol
Synonyms	Trimethylolpropane Tri(2-ethylhexanoate); TMP Tri(2-ethylhexanoate); 2-Ethylhexanoic Acid, 1,1'-[2-Ethyl-2-[[(2-ethylhexanoyl)oxy]methyl]-1,3-propanediyl] Ester; TMP-3EH; Trimethylolpropane Trioctoate; Tris(2-ethylhexanoyloxymethyl)propane; Propanoic Acid, 2-Ethyl-, 1,1',1''-[2-Ethyl-2-(hydroxymethyl)-1,3-propanediyl] Ester
EINECS	247-448-0

Quality Control

Our Trimethylolpropane Tris(2-Ethylhexanoate) is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. A Certificate of Analysis (COA) documenting key parameters is provided with each shipment to guarantee consistency and support your quality assurance protocols.

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)	≥ 98.0 %
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1 %
Color (APHA)	≤ 50
Specific Gravity (20°C)	0.955 - 0.975
Refractive Index (20°C)	1.450 - 1.455

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