n-Heptadecane
Introduction to n-Heptadecane
1. Basic Identification & Molecular Structure
Standard Name: n-Heptadecane
CAS No.: 629-78-7
EINECS No.: 211-108-4
Molecular Formula: C17H36, linear structure CH3(CH2)15CH3
Molecular Weight: 240.47
Classification: Saturated straight-chain alkane (n-alkane), a long-chain paraffin component derived from petroleum
2.Core Application Fields
2.1 Phase Change Materials (PCM, Largest Global Application)
With a melting point around 21 °C, its phase change range matches room temperature, cold chain and electronic thermal control requirements:
Constant-temperature building wall panels and thermal insulation coatings
Microcapsules for thermal management of lithium batteries and chips
Thermal insulation packaging for cold chain transportation and medical low-temperature storage Advantages: Long cycle life, no supercooling, non-corrosive and non-toxic
2.2 Analytical Chemistry Reference Standards (GC/GC-MS Internal Standards)
High-purity n-heptadecane (≥99.5%) serves as a universal benchmark for hydrocarbon detection:
Quantitative analysis of petroleum pollutants in crude oil, soil and water
Retention time marker for grease, biodiesel and essential oil chromatography
Source tracing of environmental organic pollutants and forensic petroleum identification
2.3 Fine Chemical Raw Materials
Synthesis of higher fatty alcohols and surfactants (detergents, industrial cleaning agents)
Precursors for pesticide fungicides
Extraction solvent for concentrating essential oils in perfume industry
2.4 Lubricants & Additives
Low-pour-point base oil for lubricants and metal working fluids
Lubricants and release agents for plastic and rubber processing
Paraffin modifier to enhance low-temperature toughness
5.5 Daily Chemicals & Cosmetics
Used as emollient and fragrance carrier to improve smoothness of cream products with mild low irritation
2.6 Model Compounds for Energy Research
Simulates long-chain components in diesel and jet fuel for studies on combustion, catalytic cracking and hydrogenation processes
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