Description

2,5-Dimethylheptyl 6-Methyloctyl Phthalate is a specialized high-molecular-weight phthalate ester plasticizer. This compound is valued for its excellent compatibility with a wide range of polymers, providing enhanced flexibility, durability, and low-temperature performance. It is primarily utilized by manufacturers in the plastics, polymer, and specialty chemical industries seeking high-performance additives for demanding applications.

Application

• Primary plasticizer for polyvinyl chloride (PVC) and other vinyl polymers.
• Key additive in the formulation of flexible PVC products such as cables, wires, and hoses.
• Used in the production of synthetic leathers, coated fabrics, and vinyl films.
• Plasticizer for nitrocellulose and other specialty resin systems.
• Component in sealants, adhesives, and caulking compounds requiring low volatility.
• Additive for improving the low-temperature flexibility of elastomers and rubber compounds.

Basic Information

Product Name	2,5-Dimethylheptyl 6-Methyloctyl Phthalate
CAS No.	85851-77-0
Molecular Formula	C34H58O4
Molecular Weight	530.82 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; DINP isomer; High molecular weight phthalate plasticizer
EINECS	Contact for details

Quality Control

Our 2,5-Dimethylheptyl 6-Methyloctyl Phthalate is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity, performance, and compliance with relevant industry specifications. A detailed Certificate of Analysis (COA) documenting key parameters such as assay, color, acidity, and specific gravity is provided with every shipment.

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 flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow viscous liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Color (APHA)	≤ 30
Acidity (as Phthalic Acid)	≤ 0.01%
Water Content (KF)	≤ 0.05%
Specific Gravity (20°C)	0.970 - 0.980
Refractive Index (20°C)	1.483 - 1.488

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