Description

Didodecyl Phthalate is a high-molecular-weight diester of phthalic acid, valued for its excellent performance as a specialty plasticizer and chemical intermediate. Its primary value lies in its ability to impart low volatility, high-temperature stability, and lasting flexibility to polymer systems. This product is essential for formulators and manufacturers in the plastics, coatings, and specialty chemical industries seeking durable performance additives.

Application

• Primary Plasticizer for high-performance PVC, synthetic rubbers, and other polymers requiring low migration and extraction.
• High-Temperature Cable & Wire Insulation formulations where thermal stability and long-term flexibility are critical.
• Specialty Adhesives & Sealants to enhance flexibility, adhesion, and durability.
• Coating Resins and film formers to improve film properties and reduce brittleness.
• Lubricant and Grease Additive for improving viscosity index and performance characteristics.
• Chemical Intermediate in the synthesis of more complex esters and functional materials.

Basic Information

Product Name	Didodecyl Phthalate
CAS No.	2432-90-8
Molecular Formula	C32H54O4
Molecular Weight	502.77 g/mol
Synonyms	Dilauryl Phthalate; Dodecyl Phthalate; Phthalic Acid Didodecyl Ester; Bis(dodecyl) Phthalate; 1,2-Benzenedicarboxylic Acid, 1,2-Didodecyl Ester; DLP; Lauryl Phthalate; Palatinol DDP
EINECS	219-411-2

Quality Control

Our Didodecyl Phthalate is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity, identity, and performance. A detailed Certificate of Analysis (COA) confirming specifications for assay, color, acidity, and other critical parameters is provided with each shipment to guarantee compliance with your technical requirements.

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 open flames.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acidity (as Phthalic Acid)	≤ 0.05%
Color (APHA)	≤ 50
Water Content	≤ 0.1%
Specific Gravity (20°C)	0.960 - 0.970
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.