Description

8-Methylnonyl Octyl Benzene-1,2-Dicarboxylate is a high-purity diester compound, specifically a mixed alkyl phthalate derivative. This product matters as a versatile and effective high-molecular-weight plasticizer, offering excellent compatibility and performance characteristics for demanding polymer formulations. It is primarily needed by manufacturers in the polymer and specialty chemical industries seeking to enhance the flexibility, durability, and processing of materials such as PVC, synthetic rubbers, and adhesives.

Application

• Primary plasticizer for polyvinyl chloride (PVC) resins in wire & cable insulation, flooring, and synthetic leather.
• Performance additive in specialty adhesives and sealants to improve flexibility and low-temperature properties.
• Processing aid and secondary plasticizer in synthetic rubber compounds for automotive and industrial parts.
• Functional fluid component in high-temperature lubricants and hydraulic fluids.
• Solvent and carrier for pigments and dyes in specialty coating formulations.
• Raw material for the synthesis of more complex ester-based chemicals and surfactants.

Basic Information

Product Name	8-Methylnonyl Octyl Benzene-1,2-Dicarboxylate
CAS No.	27380-66-1
Molecular Formula	C26H42O4
Molecular Weight	418.61 g/mol
Synonyms	Bis(8-methylnonyl) octyl phthalate; Diisodecyl Phthalate (mixed isomers); DIDP; Phthalic acid, bis(8-methylnonyl) ester; 1,2-Benzenedicarboxylic acid, bis(8-methylnonyl) ester; Palatinol® DIDP; Jayflex® DIDP; Unimoll® 66
EINECS	Contact for details

Quality Control

Our 8-Methylnonyl Octyl Benzene-1,2-Dicarboxylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color, and physical properties. Certificates of Analysis (COA) documenting key parameters are available upon request, providing full traceability and compliance assurance for your production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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
Assay (GC)	≥ 99.0%
Color (APHA)	≤ 30
Acidity (as Phthalic Acid)	≤ 0.01%
Water Content (KF)	≤ 0.05%
Specific Gravity (20°C)	0.965 - 0.972
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.