Description

1,3-Didecylbenzene is a high-purity, branched-chain alkylbenzene derivative with the CAS registry number 55191-38-3. This specialty organic compound serves as a versatile intermediate and functional fluid component, valued for its chemical stability and hydrophobic properties. It is primarily utilized by manufacturers in the lubricant, surfactant, and specialty polymer industries seeking to enhance product performance and formulation stability.

Application

• Lubricant & Grease Formulation: Acts as a base oil or additive component to improve viscosity index, thermal stability, and lubricity in synthetic lubricants and high-performance greases.
• Surfactant & Detergent Intermediate: Serves as a key hydrophobic building block in the synthesis of alkylbenzene sulfonates and other specialty surfactants for industrial and institutional cleaning products.
• Plasticizer & Polymer Additive: Used as a processing aid and compatibilizer to modify the flexibility and flow properties of various polymer systems, including PVC and elastomers.
• Dielectric Fluid: Employed as a component in specialty dielectric fluids and transformer oils due to its electrical insulating properties and chemical inertness.
• Chemical Synthesis Intermediate: Provides a defined hydrophobic backbone for further chemical modifications in organic synthesis, including Friedel-Crafts alkylations and sulfonations.
• Heat Transfer Fluid: Suitable for use as a component in high-temperature heat transfer fluids where thermal stability and low volatility are required.

Basic Information

Product Name	1,3-Didecylbenzene
CAS No.	55191-38-3
Molecular Formula	C26H46
Molecular Weight	358.65 g/mol
Synonyms	1,3-Di-n-decylbenzene; m-Didecylbenzene; Benzene, 1,3-didecyl-; m-Di-n-decylbenzene; Di-n-decylbenzene (mixed isomers); Alkylbenzene C26; Branched C26 Alkylbenzene
EINECS	Contact for details

Quality Control

Our 1,3-Didecylbenzene is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key specifications 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 incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 15-25°C. 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)	≥ 95.0%
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	0.85 - 0.87
Refractive Index (20°C)	1.480 - 1.490

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