Description

1,2,4-Benzenetricarboxylic Acid 1,2-Dimethyl 4-Nonyl Ester is a specialized organic ester derivative of trimellitic acid, valued for its role as a high-performance plasticizer and intermediate. This compound is engineered to enhance the flexibility, durability, and processing characteristics of polymers, particularly under demanding conditions. It is primarily sought by manufacturers in the plastics, coatings, and specialty chemical industries for formulating advanced materials.

Application

• Primary Plasticizer for polyvinyl chloride (PVC), vinyl copolymers, and other engineering polymers to improve low-temperature flexibility and permanence.
• Polymer Modifier in specialty adhesives, sealants, and coatings to optimize rheological properties and film formation.
• Chemical Intermediate for the synthesis of more complex esters, lubricant additives, and corrosion inhibitors.
• Functional Additive in wire and cable insulation, automotive interiors, and synthetic leather to impart enhanced durability and resistance to extraction.

Basic Information

Product Name	1,2,4-Benzenetricarboxylic Acid 1,2-Dimethyl 4-Nonyl Ester
CAS No.	33975-28-9
Molecular Formula	C21H30O6
Molecular Weight	378.46 g/mol
Synonyms	1,2-Dimethyl 4-nonyl trimellitate; Nonyl dimethyl trimellitate; Trimellitic acid 1,2-dimethyl 4-nonyl ester; Di-methyl nonyl trimellitate; TINTM (common industry abbreviation for trimellitate esters); Plasticizer TINTM; 4-Nonyl 1,2-dimethyl benzene-1,2,4-tricarboxylate
EINECS	Contact for details

Quality Control

Our production of 1,2,4-Benzenetricarboxylic Acid 1,2-Dimethyl 4-Nonyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistency, purity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, color, acidity, and specific gravity are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong bases and incompatible materials. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.5%
Acidity (as Trimellitic Acid)	≤ 0.1%
Color (APHA)	≤ 50
Specific Gravity (20°C)	1.070 - 1.090
Refractive Index (20°C)	1.485 - 1.495
Moisture (KF)	≤ 0.1%

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