Description

1,2,3,6-Tetrahydrophthalic Acid Di(2-Ethylhexyl) Ester is a high-purity specialty ester widely used as a plasticizer and intermediate in advanced polymer formulations. Its chemical structure provides excellent compatibility and performance characteristics for demanding industrial applications. This product is essential for manufacturers in the plastics, coatings, and specialty chemical sectors seeking reliable, high-quality raw materials.

Application

• Primary plasticizer for PVC and other vinyl polymers, offering good flexibility and low-temperature performance.
• Intermediate in the synthesis of specialty polymers and resins for high-performance coatings and adhesives.
• Component in sealant and caulk formulations to enhance elasticity and durability.
• Additive in lubricant and hydraulic fluid formulations to modify viscosity and stability.
• Solvent and carrier for pigments and dyes in specialty ink and colorant production.
• Raw material for producing other ester derivatives with tailored properties for niche applications.

Basic Information

Product Name	1,2,3,6-Tetrahydrophthalic Acid Di(2-Ethylhexyl) Ester
CAS No.	2915-49-3
Molecular Formula	C24H42O4
Molecular Weight	394.59 g/mol
Synonyms	Di(2-ethylhexyl) 1,2,3,6-tetrahydrophthalate; Bis(2-ethylhexyl) tetrahydrophthalate; DOTP (Tetrahydro version); 1,2,3,6-Tetrahydrophthalic Acid Bis(2-ethylhexyl) Ester; Plasticizer THP; THP Ester; 2-Ethylhexyl tetrahydrophthalate; Ester of 2-ethylhexanol and tetrahydrophthalic acid
EINECS	220-852-3

Quality Control

Our 1,2,3,6-Tetrahydrophthalic Acid Di(2-Ethylhexyl) Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications for consistency and performance. Certificates of Analysis (COA) documenting purity, identity, and key parameters are available upon request to 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, heat, and ignition sources. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acid Value	≤ 0.1 mg KOH/g
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Specific Gravity (20°C)	0.970 - 0.990
Refractive Index (20°C)	1.480 - 1.490

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