Description

Dinonylnaphthalene is a high-purity, synthetic hydrocarbon fluid belonging to the class of alkylated naphthalenes. Its unique chemical structure provides exceptional thermal and oxidative stability, making it a valuable component in demanding industrial formulations. This product is essential for manufacturers in sectors such as lubricants, plastics, and specialty chemicals, where performance under extreme conditions is critical.

Application

• High-Performance Lubricant Base Stock & Additive: Used as a synthetic base oil or viscosity modifier in high-temperature greases, compressor oils, and gear oils due to its excellent thermal stability and low volatility.
• Plasticizer & Process Aid for Polymers: Acts as a secondary plasticizer and processing aid in PVC and other polymer systems to improve flexibility and flow characteristics.
• Dielectric Fluid: Employed in specialized electrical applications, such as capacitors and transformers, for its stable dielectric properties.
• Chemical Intermediate & Solvent: Serves as a key intermediate in organic synthesis and as a high-boiling-point solvent for resins, dyes, and pigments.
• Heat Transfer Fluid: Utilized in closed-loop heating systems where a stable, non-corrosive medium is required.
• Adhesive & Sealant Formulations: Incorporated to enhance the flexibility, adhesion, and aging resistance of various sealants and adhesives.

Basic Information

Product Name	Dinonylnaphthalene
CAS No.	25358-55-8
Molecular Formula	C28H44
Molecular Weight	380.65 g/mol
Synonyms	Di-nonylnaphthalene; Dinonyl naphthalene; DNN; Bis(nonyl)naphthalene; 1,2-Dinonylnaphthalene (mixture of isomers); Alkylated naphthalene; Synthetic hydrocarbon fluid (SHF); Naphthalene, dinonyl-
EINECS	246-886-7

Quality Control

Our Dinonylnaphthalene is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, viscosity, and chemical composition. A Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee traceability and batch-to-batch consistency for your production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density @ 20°C	0.90 - 0.92 g/mL
Viscosity @ 40°C	30 - 50 cSt
Flash Point	> 200 °C
Water Content (KF)	≤ 0.1%

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