Description

Phthalic Acid 8-Methylnonyl Ester is a specialized diester plasticizer derived from phthalic acid and a branched-chain alcohol. This compound is valued for its ability to impart flexibility, durability, and low-temperature performance to polymer matrices. It is primarily utilized by formulators and manufacturers in the plastics, coatings, and specialty chemical industries seeking high-performance additives for demanding applications.

Application

This versatile plasticizer finds use in a range of industrial formulations where enhanced material properties are required.

• Primary Plasticizer for PVC and other polymers, providing excellent flexibility and elongation.
• Co-additive in specialty adhesives and sealants to improve workability and final film properties.
• Performance additive in synthetic lubricants and functional fluids.
• Modifier for coating resins to enhance film formation and durability.
• Component in wire and cable insulation compounds.
• Processing aid in the manufacture of gaskets, hoses, and other molded rubber/plastic goods.

Basic Information

Product Name	Phthalic Acid 8-Methylnonyl Ester
CAS No.	69725-01-5
Molecular Formula	C28H46O4
Molecular Weight	446.67 g/mol
Synonyms	Bis(8-methylnonyl) phthalate; Di(8-methylnonyl) phthalate; 8-Methylnonyl phthalate; Phthalic acid bis(8-methylnonyl) ester; 1,2-Benzenedicarboxylic acid, bis(8-methylnonyl) ester; DINP isomer; Plasticizer DINP (mixed isomers); Jayflex DINP (related grade)
EINECS	Contact for details

Quality Control

Our Phthalic Acid 8-Methylnonyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistency and meets agreed-upon specifications for purity, color, and physical properties. Certificates of Analysis (COA) are provided and available upon request to support your quality assurance protocols.

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 and heat sources.

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°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.