Description

Isooctadecane CAS NO 72123-30-9 is a branched-chain, saturated hydrocarbon (C18 alkane) valued for its exceptional chemical stability and low volatility. This high-purity isoparaffin is a critical performance ingredient, serving as a versatile solvent, carrier fluid, and base material in advanced formulations. It is essential for manufacturers in the personal care, lubricant, polymer, and specialty chemical industries seeking reliable, high-quality raw materials for demanding applications.

Application

• Personal Care & Cosmetics: Acts as a premium emollient and solvent in skincare products, sunscreens, color cosmetics, and lipsticks, providing a non-greasy feel and enhancing spreadability.
• Lubricants & Functional Fluids: Used as a base oil or additive in synthetic lubricants, metalworking fluids, and heat transfer fluids due to its excellent thermal and oxidative stability.
• Polymer & Plastic Additives: Serves as a plasticizer and processing aid in polymer production, improving flexibility and workability of plastics and elastomers.
• Chemical Synthesis & Intermediates: Functions as an inert reaction medium or a starting material for synthesizing surfactants, specialty chemicals, and other derivatives.
• Adhesives & Sealants: Employed as a solvent and viscosity modifier to control drying time and improve the application properties of various adhesive formulations.
• Laboratory & Analytical Reagents: Utilized as a standard or solvent in chromatography (GC) and other analytical techniques.

Basic Information

Product Name	Isooctadecane
CAS No.	72123-30-9
Molecular Formula	C18H38
Molecular Weight	254.49 g/mol
Synonyms	2,2,4,4,6,8,8-Heptamethylnonane; Iso-C18; Branched Octadecane; Isoparaffin C18; 2,2,4,4,6,8,8-Heptamethyl-nonane; Heptamethylnonane; C18 Isoparaffin
EINECS	Contact for details

Quality Control

Our Isooctadecane is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including gas chromatography (GC), to ensure it meets precise specifications for purity, composition, and physical properties. Certificates of Analysis (COA) are provided with every shipment, guaranteeing traceability, consistency, and compliance with relevant industry standards.

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 heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (20°C)	0.79 - 0.81 g/mL
Refractive Index (20°C)	1.43 - 1.45
Boiling Point	~ 300 °C
Flash Point	> 110 °C

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