Octadecane PCM GC Application SD

n-Octadecane (CAS: 593-45-3, no UN number, molecular formula C₁₈H₃₈) is a colorless waxy solid or highly viscous liquid with a faint petroleum odor. Factory-direct n-Octadecane with stable quality and complete customs clearance documents, suitable for overseas buyers seeking long-term cooperation.

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Description

Technical Parameters

n-Octadecane

product-1600-539

【Product Introduction: n-Octadecane】

Product Name: n-Octadecane
Chemical Formula: C₁₈H₃₈
CAS No.: 593-45-3
Molecular Weight: 254.5 g/mol

I. Physical Properties

n-Octadecane is a colorless transparent liquid or white crystalline solid at room temperature. It has a melting point of approximately 28°C, a boiling point of 316–317°C, a flash point of 165–166°C, and a density of approximately 0.777 g/mL (at 25°C). The product is insoluble in water but soluble in organic solvents such as ethanol, acetone, and petroleum ether.

II. Applications

Analytical Standard: Serves as a stationary phase and reference standard for gas chromatography (GC) in the qualitative and quantitative analysis of hydrocarbons.

Phase Change Material (PCM): Utilizes its solid-liquid phase transition at approximately 28°C for applications in building energy conservation, thermal-regulated textiles, and thermal management systems.

Industrial Solvent and Additive: Used as a component in lubricating oils, transformer oils, cutting fluids, and corrosion inhibitors.

Organic Synthesis Intermediate: Used in the preparation of long-chain alkane derivatives.

III. Packaging Specifications

200L galvanized steel drum: net weight approximately 155 kg per drum (at room temperature);

ISO TANK T50: approximately 18.6 metric tons per shipment;

Customized packaging is available upon request.

IV. Storage and Safety Information

Store in a cool, dry, and well-ventilated warehouse, away from ignition sources and strong oxidizing agents.

Keep container tightly sealed to prevent moisture absorption and contamination.

In case of accidental ingestion, DO NOT induce vomiting. Seek immediate medical attention and present the Safety Data Sheet (SDS) to medical personnel.

In case of skin contact, wash with soap and water. Avoid prolonged or repeated skin contact to prevent defatting of the skin.

V. Quality Specifications

Parameter	Specification
Purity (by GC)	≥ 99.0%
Water Content	≤ 0.05%
Color (APHA)	≤ 10
Freezing Point	27.5 – 28.5°C

This product complies with industrial and analytical reagent grade standards and is suitable for R&D, industrial manufacturing, and phase change material applications. For technical data sheets and sample requests, please feel free to contact us.

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