8.20547

n-Eicosane

for synthesis

• Synonym(s): n-Eicosane
• Linear Formula: CH₃(CH₂)₁₈CH₃
• CAS Number: 112-95-8
• Molecular Weight: 282.55
• MDL number: MFCD00009344
• UNSPSC Code: 12352001
• EC Index Number: 204-018-1

Properties

• vapor pressure: <0.001 hPa ( 25 °C)
• Quality Level: 200
• Assay: ≥98.0% (GC)
• form: crystals
• bp: 204-206 °C/20 hPa
• mp: 34-37 °C
• transition temp: flash point 176 °C
• density: 0.79 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C20H42/c1-3-5-7-9-11-13-15-17-19-20-18-16-14-12-10-8-6-4-2/h3-20H2,1-2H3
• InChI key: CBFCDTFDPHXCNY-UHFFFAOYSA-N

Description

Application

• Effect of temperature and graphite particle fillers on thermal conductivity and viscosity of phase change material n-eicosane: This study discusses the enhanced thermal conductivity and viscosity changes of n-eicosane when mixed with graphite particle fillers, important for applications in energy storage and thermal management (Srinivasan et al., 2017).
• Self-Assembly Synthesis of Microencapsulated n-Eicosane Phase-Change Materials with Crystalline-Phase-Controllable Calcium Carbonate Shell: This paper covers the synthesis of microencapsulated n-eicosane with a calcium carbonate shell, crucial for enhancing thermal energy storage systems in drug delivery mechanisms (Yu et al., 2014).
• Preparation and thermal properties of n-eicosane/nano-SiO2/expanded graphite composite phase-change material for thermal energy storage: This research explores the preparation and enhanced thermal properties of n-eicosane composites, beneficial for applications in material sciences focusing on energy efficiency (Zhang et al., 2020).
• An experimental study of enhanced heat sinks for thermal management using n-eicosane as phase change material: This article evaluates the use of n-eicosane in enhancing heat sinks, which is significant for designing more efficient cooling systems in pharmaceutical manufacturing processes (Arshad et al., 2018).

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 36 °C
Melting range (upper value): ≤ 39 °C
Identity (GC): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Safety Information

• Pictograms: GHS08
• Signal Word: Danger
• Hazard Statements: H304
• Precautionary Statements: P301 + P310 - P331 - P405 - P501
• Hazard Classifications: Asp. Tox. 1
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable