Description

2,5-Dimethylheptyl 4-Methyloctyl Phthalate is a high-molecular-weight phthalate ester plasticizer known for its excellent performance characteristics. This compound is valued for its ability to impart flexibility, durability, and low-temperature properties to polymer matrices. It is primarily sought after by manufacturers in the polymer and specialty chemical industries for formulating high-performance plasticized products.

Application

• Primary Plasticizer for PVC, imparting flexibility and low volatility.
• Polymer Additive in synthetic rubbers and elastomers to improve processability and cold flexibility.
• Specialty Chemical Intermediate in the synthesis of lubricants and functional fluids.
• Adhesive and Sealant Formulations to enhance plasticity and adhesion properties.
• Wire and Cable Insulation coatings requiring long-term stability and electrical properties.
• Coating and Film Applications where low migration and good compatibility are needed.

Basic Information

Product Name	2,5-Dimethylheptyl 4-Methyloctyl Phthalate
CAS No.	85851-76-9
Molecular Formula	C26H42O4
Molecular Weight	418.61 g/mol
Synonyms	1,2-Benzenedicarboxylic acid, bis(2,5-dimethylheptyl) ester; Bis(2,5-dimethylheptyl) phthalate; Phthalic acid, bis(2,5-dimethylheptyl) ester; DI(2,5-Dimethylheptyl) Phthalate; 2,5-Dimethylheptyl phthalate (mixed isomers); DINP isomer (specific); Plasticizer 85851-76-9
EINECS	Contact for details

Quality Control

Our 2,5-Dimethylheptyl 4-Methyloctyl Phthalate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

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 bases and oxidizing agents. Recommended storage temperature is 15-25°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
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.5%
Acidity (as Phthalic Acid)	≤ 0.01%
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Refractive Index (20°C)	1.483 - 1.487
Density (20°C)	0.965 - 0.975 g/mL

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