Description

p-(Octadecyl)Toluene is a high-purity, long-chain alkylated aromatic compound, specifically a para-substituted toluene derivative with an octadecyl (C18) side chain. This unique structure provides excellent lipophilicity and thermal stability, making it a valuable intermediate and functional additive in advanced material synthesis. It is primarily utilized by R&D chemists and process engineers in the specialty chemical, polymer, and lubricant industries for creating tailored surfactants, phase-transfer catalysts, and high-performance polymer modifiers.

Application

• Specialty Surfactant & Emulsifier Synthesis: Serves as a key hydrophobic building block for non-ionic surfactants and emulsifiers used in agrochemicals, coatings, and personal care products.
• Polymer Additive & Plasticizer Intermediate: Used to modify polymer chains, enhancing flexibility, compatibility, and processing characteristics in specialty plastics and elastomers.
• Lubricant & Grease Formulation: Acts as a precursor for high-molecular-weight esters and additives that improve viscosity index and thermal-oxidative stability in synthetic lubricants.
• Phase-Transfer Catalyst (PTC): Employed in the synthesis of quaternary ammonium salts, which are effective catalysts for reactions between reagents in immiscible phases.
• Organic Synthesis Intermediate: Provides a long alkyl chain for introducing hydrophobicity in the synthesis of liquid crystals, dyes, and pharmaceutical intermediates.
• Research & Development: A critical reagent for academic and industrial research exploring new materials, surface-active agents, and catalytic systems.

Basic Information

Product Name	p-(Octadecyl)Toluene
CAS No.	94135-41-8
Molecular Formula	C₂₅H₄₄
Molecular Weight	344.62 g/mol
Synonyms	1-Methyl-4-octadecylbenzene; 4-Octadecyltoluene; p-Octadecyltoluene; 4-Methyl-1-octadecylbenzene; Toluene, p-octadecyl-; Para-octadecyl toluene; Octadecyl-p-toluene; C18-Toluene (para-substituted)
EINECS	Contact for details

Quality Control

Our p-(Octadecyl)Toluene is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment 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 at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white waxy solid / flakes
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Melting Point	40 - 45 °C
Heavy Metals	< 10 ppm

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