Description

Isotridecyl Isoundecyl Phthalate is a high-molecular-weight phthalate ester plasticizer known for its excellent permanence and low volatility. This compound is engineered to provide superior performance and durability in demanding polymer applications where long-term flexibility and resistance to extraction are critical. It is primarily utilized by formulators and manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable and efficient plasticizing solutions.

Application

• Primary plasticizer for PVC, imparting excellent flexibility and low-temperature performance.
• Key component in the formulation of high-quality, durable vinyl flooring and wall coverings.
• Used in the production of flexible cables, wires, and other electrical insulation materials.
• Plasticizer for synthetic leather, automotive interiors, and other coated fabrics.
• Additive in sealants, adhesives, and caulks to improve workability and final properties.
• Processing aid in various polymer systems to enhance elongation and reduce melt viscosity.
• Used in specialty applications requiring resistance to migration and extraction by oils and solvents.

Basic Information

Product Name	Isotridecyl Isoundecyl Phthalate
CAS No.	85168-78-1
Molecular Formula	C34H58O4
Molecular Weight	530.8 g/mol
Synonyms	1,2-Benzenedicarboxylic acid, 1,2-diisotridecyl ester; Diisotridecyl phthalate; DTDP; Phthalic acid, diisotridecyl ester; Jayflex DTDP; Palatinol DTDP; Unimoll 66 M; Vestinol TD
EINECS	285-704-5

Quality Control

Our Isotridecyl Isoundecyl Phthalate is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous internal specifications, which typically include assay, color, acidity, and specific gravity. A Certificate of Analysis (COA) documenting these results is provided with every 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 away from heat sources and incompatible materials. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow viscous liquid
Assay (GC)	≥ 99.0%
Color (APHA)	≤ 50
Acidity (as Phthalic Acid)	≤ 0.01%
Water Content (KF)	≤ 0.05%
Specific Gravity (20/20°C)	0.952 - 0.965
Refractive Index (20°C)	1.483 - 1.487

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