Description

Diundecylbenzene is a high-purity, long-chain alkylbenzene derivative, valued for its excellent solvency, thermal stability, and hydrophobic properties. It serves as a critical intermediate and functional fluid in advanced industrial formulations, offering superior performance where standard solvents fall short. This compound is essential for manufacturers in the lubricant, plasticizer, and specialty chemical sectors seeking reliable, high-quality raw materials.

Application

• Synthetic Lubricant Base Stock: A key component in the formulation of high-performance synthetic oils and greases, providing excellent viscosity-temperature characteristics and oxidation stability.
• Plasticizer Intermediate: Used in the production of specialized plasticizers for polymers requiring enhanced flexibility and low-temperature performance.
• Surfactant & Detergent Alkylate: Acts as a precursor in the synthesis of biodegradable, high-foaming surfactants for industrial and institutional cleaning products.
• Dielectric Fluid: Employed in specialized electrical applications as a heat transfer fluid and insulating medium due to its high dielectric strength.
• Chemical Synthesis Intermediate: Serves as a versatile building block in organic synthesis for pharmaceuticals, agrochemicals, and fine chemicals.
• Functional Fluid Additive: Used in metalworking fluids, hydraulic fluids, and compressor oils to improve lubricity and stability.

Basic Information

Product Name	Diundecylbenzene
CAS No.	83923-58-4
Molecular Formula	C29H52
Molecular Weight	400.73 g/mol
Synonyms	1-Phenylundecane, branched; Dodecylbenzene, branched; Alkylbenzene (C11); Undecylbenzene; Benzenemethyldiundecyl; Heavy alkylate; Long-chain alkylbenzene; LAB (C11)
EINECS	Contact for details

Quality Control

Our Diundecylbenzene is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against stringent internal specifications, with key parameters including identity, assay, and impurity profile verified. A Certificate of Analysis (COA) documenting these results is provided with every shipment 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	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (20°C)	0.85 - 0.87 g/mL
Refractive Index (20°C)	1.480 - 1.490
Water Content	≤ 0.1%

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