Description

Isophthalic Acid 1-Dodecyl 3-Methyl Ester is a specialized diester derivative of isophthalic 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 polymer systems. It is primarily sought by manufacturers in the plastics, coatings, and specialty chemical industries for formulating advanced materials.

Application

• Primary plasticizer for PVC, polyurethanes, and other engineering polymers to improve flexibility and low-temperature performance.
• Key intermediate in the synthesis of specialty polymers, resins, and liquid crystals.
• Modifier for coatings and adhesives to enhance film formation, adhesion, and chemical resistance.
• Additive in lubricant and grease formulations to improve viscosity and stability.
• Component in the production of specialty surfactants and emulsifiers.
• Used in research and development of novel organic materials and chemical processes.

Basic Information

Product Name	Isophthalic Acid 1-Dodecyl 3-Methyl Ester
CAS No.	33975-26-7
Molecular Formula	C22H34O4
Molecular Weight	362.50 g/mol
Synonyms	1-Dodecyl 3-methyl isophthalate; Dodecyl Methyl Isophthalate; Isophthalic Acid Dodecyl Methyl Ester; 3-Methyl 1-dodecyl isophthalate; Lauryl Methyl Isophthalate; Methyl Dodecyl Isophthalate; Isophthalic Acid, Dodecyl Methyl Ester; 33975-26-7
EINECS	Contact for details

Quality Control

Our Isophthalic Acid 1-Dodecyl 3-Methyl Ester is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including assay, purity profiling, and identification, to ensure it meets precise specifications for industrial applications. A Certificate of Analysis (COA) detailing all quality parameters is provided with every shipment to guarantee consistency and reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture uptake and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Specific Gravity (20°C)	0.95 - 1.00
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.