n-Octadecane

Modify Date: 2025-08-20 20:15:13

n-Octadecane Structure
n-Octadecane structure
 Common Name n-Octadecane
CAS Number 593-45-3 Molecular Weight 254.494
Density 0.8±0.1 g/cm3 Boiling Point 316.3±5.0 °C at 760 mmHg
Molecular Formula C18H38 Melting Point 28 °C
MSDS Chinese USA Flash Point 165.6±0.0 °C
Symbol GHS08
GHS08		 Signal Word Danger

 Use of n-Octadecane


Octadecane is an alkane that is used to store thermal energy at ambient temperature as a phase change material[1].

 Names

Name octadecane
Synonym More Synonyms

 n-Octadecane Biological Activity

Description Octadecane is an alkane that is used to store thermal energy at ambient temperature as a phase change material[1].
Related Catalog
References

[1]. Hossein Tafrishi, et al. Investigating the effects of adding hybrid nanoparticles, graphene and boron nitride nanosheets, to octadecane on its thermal properties. (Paper) RSC Adv., 2020, 10, 14785-14793.

 Chemical & Physical Properties

Density 0.8±0.1 g/cm3
Boiling Point 316.3±5.0 °C at 760 mmHg
Melting Point 28 °C
Molecular Formula C18H38
Molecular Weight 254.494
Flash Point 165.6±0.0 °C
Exact Mass 254.297348
LogP 10.32
Vapour density 8.8 (vs air)
Vapour Pressure 0.0±0.3 mmHg at 25°C
Index of Refraction 1.438
InChIKey RZJRJXONCZWCBN-UHFFFAOYSA-N
SMILES CCCCCCCCCCCCCCCCCC
Stability Stable. Combustible. Incompatible with strong oxidizing agents.

 Safety Information

Symbol GHS08
GHS08
Signal Word Danger
Hazard Statements H304
Precautionary Statements P301 + P310-P331
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2901100000

 Customs

HS Code 2901100000
Summary 2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Articles28

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[Study on chemical constituents from Anoectochilus chapaensis].

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 Synonyms

Octadecane
EINECS 209-790-3
MFCD00009007
O652_ALDRICH
Octadecan
8K6
n-Octadecan
n-octadecane
Oktadekan
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Chemsrc provides n-Octadecane(CAS#:593-45-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of n-Octadecane are included as well.>> amp version: n-Octadecane

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