n-Octadecane

Modify Date: 2026-07-01 19:09:40

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

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name octadecane
Synonym More Synonyms

 n-Octadecane Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

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

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

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.

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

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

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Indigenous soil bacteria with the combined potential for hydrocarbon consumption and heavy metal resistance.

Environ. Sci. Pollut. Res. Int. 19(3) , 812-20, (2012)

Transconjugant bacteria with combined potential for hydrocarbon utilization and heavy metal resistance were suggested by earlier investigators for bioremediation of soils co-contaminated with hydrocar...

Zinc oxide/polypyrrole nanocomposite as a novel solid phase microextraction coating for extraction of aliphatic hydrocarbons from water and soil samples.

Anal. Chim. Acta 884 , 52-60, (2015)

In this work, ZnO/PPy nanocomposite coating was fabricated on stainless steel and evaluated as a novel headspace solid phase microextraction (HS-SPME) fiber coating for extraction of ultra-trace amoun...

[Study on chemical constituents from Anoectochilus chapaensis].

Zhong Yao Cai 35(6) , 911-3, (2012)

To investigate the chemical constituents from the whole herbs of Anoectochilus chapaensis.The chemical constituents were isolated and purified by repeated column chromatographies with silica gel, Seph...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Octadecane
EINECS 209-790-3
MFCD00009007
O652_ALDRICH
Octadecan
8K6
n-Octadecan
n-octadecane
Oktadekan

 n-Octadecane | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of octadecane?
A: LogP of octadecane is 10.32.
Q: What is the English name of octadecane?
A: The English name of octadecane is octadecane.
Q: What is the SMILES notation of octadecane?
A: SMILES notation of octadecane is CCCCCCCCCCCCCCCCCC.
Q: What English synonyms does octadecane have?
A: English synonyms of octadecane: Octadecane, EINECS 209-790-3, MFCD00009007, O652_ALDRICH, Octadecan, 8K6, n-Octadecan, n-octadecane, Oktadekan.
Q: What is the boiling point of octadecane?
A: Boiling point of octadecane is 316.3±5.0 °C at 760 mmHg.
Q: What are the downstream products of octadecane?
A: Related downstream products(CAS) of octadecane: 112-92-5;629-96-9;593-50-0;661-19-8;506-51-4;506-52-5;557-61-9;112-53-8;4542-57-8;112-41-4.
Q: What is the safety information for octadecane?
A: Safety information for octadecane: S26-S36.
Q: What is the molecular formula of octadecane?
A: Molecular formula of octadecane is C18H38.
Q: What is the molecular weight of octadecane?
A: Molecular weight of octadecane is 254.494.
Q: What is the melting point of octadecane?
A: Melting point of octadecane is 28 °C.

 n-Octadecanefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
BioBioPha
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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