Description

Bis(4-Methyloctyl) Phthalate is a high-molecular-weight phthalate ester plasticizer known for its excellent compatibility with a wide range of polymers. This compound is valued for its ability to impart flexibility, durability, and low-temperature performance to finished products. It is a critical raw material for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable performance in demanding applications.

Application

• Primary plasticizer for flexible Polyvinyl Chloride (PVC) compounds, including wire & cable insulation, flooring, and synthetic leather.
• Key component in the formulation of specialty adhesives and sealants requiring enhanced flexibility and adhesion.
• Used as a processing aid and softening agent in various elastomers and synthetic rubbers.
• Functional additive in industrial coatings and inks to improve film formation and durability.
• Plasticizer for cellulose-based plastics and other polymer systems.
• Intermediate in the synthesis of more complex specialty esters and lubricant additives.

Basic Information

Product Name	Bis(4-Methyloctyl) Phthalate
CAS No.	85391-50-0
Molecular Formula	C26H42O4
Molecular Weight	418.61 g/mol
Synonyms	1,2-Benzenedicarboxylic acid, bis(4-methyloctyl) ester; Di(4-methyloctyl) phthalate; Bis(4-methyloctyl) benzene-1,2-dicarboxylate; DINP isomer; Phthalic acid, bis(4-methyloctyl) ester; Plasticizer DINP (related isomer); High molecular weight phthalate ester
EINECS	Contact for details

Quality Control

Our Bis(4-Methyloctyl) Phthalate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, color, and physical properties. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong alkalis and incompatible materials. 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 liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Color (APHA)	≤ 30
Acidity (as Phthalic Acid)	≤ 0.01%
Water Content (KF)	≤ 0.05%
Specific Gravity (20/20°C)	0.970 - 0.976
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.