Description

n-Tetracontane is a high-purity, long-chain linear alkane with the chemical formula C40H82, representing a valuable reference standard and building block in advanced materials science. Its well-defined molecular structure and high chemical stability make it an essential material for precise calibration and research in analytical chemistry and polymer science. This compound is primarily utilized by R&D laboratories, specialty chemical manufacturers, and academic institutions working on phase change materials, polymer additives, and hydrocarbon standards.

Application

• Analytical Reference Standard: Used as a high-purity calibration standard in Gas Chromatography (GC) and High-Performance Liquid Chromatography (HPLC) for the analysis of complex hydrocarbon mixtures.
• Phase Change Material (PCM) Research: Investigated for its thermal energy storage properties due to its high melting point and latent heat of fusion, applicable in thermal management systems.
• Polymer & Wax Modification: Serves as a long-chain additive or nucleating agent to modify the crystallization behavior, melting point, and mechanical properties of polymers, synthetic waxes, and lubricants.
• Surface Science & Nanotechnology: Employed in the study of self-assembled monolayers (SAMs) and thin-film coatings to understand surface interactions and create hydrophobic surfaces.
• Organic Synthesis Intermediate: Acts as a starting material or chain extender in the synthesis of specialized surfactants, plasticizers, and other long-chain organic derivatives.
• Fuel & Petrochemical Research: Used as a model compound to study the combustion characteristics, pyrolysis, and catalytic cracking behavior of high molecular weight hydrocarbons.

Basic Information

Product Name	n-Tetracontane
CAS No.	4181-95-7
Molecular Formula	C40H82
Molecular Weight	563.07 g/mol
Synonyms	Tetracontane; n-Tetracontane; Tetracontane, normal; C40 Alkane; n-C40H82; Tetracontane (C40); Linear C40 alkane; 1-Tetracontane; CH3-[CH2]38-CH3
EINECS	224-052-0

Quality Control

Our n-Tetracontane is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is 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, and 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 crystalline solid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Melting Point	81 - 83 °C
Heavy Metals	< 10 ppm

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