Description

Octadecyl Dihydrogen Benzene-1,2,4-Tricarboxylate is a high-purity organic ester compound, valued for its role as a versatile intermediate and functional additive in advanced material synthesis. Its molecular structure provides unique properties that are critical for enhancing performance in specialty polymer and coating formulations. This product is essential for manufacturers in the plastics, lubricants, and specialty chemical industries seeking to modify material characteristics such as compatibility, plasticity, and thermal stability.

Application

• Polymer Plasticizer: Used as a specialty plasticizer to improve the flexibility, durability, and low-temperature performance of PVC, polyurethanes, and other polymer systems.
• Lubricant Additive: Functions as a friction modifier and viscosity index improver in synthetic lubricants and greases for industrial and automotive applications.
• Co-additive for Coatings: Employed in resin and coating formulations to enhance film formation, adhesion, and weatherability.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex esters, surfactants, and emulsifiers.
• Adhesive & Sealant Formulation: Imparts improved tack and cohesion properties in hot-melt and pressure-sensitive adhesive systems.
• Textile Auxiliary: Acts as a softening agent and processing aid in fiber and fabric treatment processes.

Basic Information

Product Name	Octadecyl Dihydrogen Benzene-1,2,4-Tricarboxylate
CAS No.	69373-08-6
Molecular Formula	C27H42O6
Molecular Weight	462.62 g/mol
Synonyms	1,2,4-Benzenetricarboxylic Acid, Dioctadecyl Ester; Octadecyl Hydrogen Trimellitate; Dioctadecyl Trimellitate; Trimellitic Acid Dioctadecyl Ester; TMD; Dioctadecyl Ester of Trimellitic Acid; Stearyl Trimellitate; NSC 403119
EINECS	Contact for details

Quality Control

Our Octadecyl Dihydrogen Benzene-1,2,4-Tricarboxylate 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. Certificates of Analysis (COA) documenting key parameters are provided to guarantee supply consistency and product reliability for your critical applications.

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 materials. For long-term storage, consider under an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	55 - 65 °C
Acid Value	≤ 2.0 mg KOH/g
Moisture (KF)	≤ 0.5%
Heavy Metals	≤ 10 ppm

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