Skip to Content
Merck
All Photos(2)

Documents

O652

Sigma-Aldrich

Octadecane

99%

Synonym(s):

C18-n-Alkane, n-Octadecane

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Linear Formula:
CH3(CH2)16CH3
CAS Number:
593-45-3
Molecular Weight:
254.49
Beilstein:
1740138
EC Number:
209-790-3
MDL number:
MFCD00009007
UNSPSC Code:
12352100
PubChem Substance ID:
24898037
NACRES:
NA.22

vapor density

8.8 (vs air)

vapor pressure

1 mmHg ( 119 °C)

Assay

99%

form

solid or liquid (Conforms to requirements)

autoignition temp.

455 °F

bp

317 °C (lit.)

mp

26-29 °C (lit.)

density

0.777 g/mL at 25 °C (lit.)

SMILES string

CCCCCCCCCCCCCCCCCC

InChI

1S/C18H38/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h3-18H2,1-2H3

InChI key

RZJRJXONCZWCBN-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

n-Octadecane is generally used in developing microencapsulated phase-change materials.
It can also be used as a reactant to synthesize:
  • N-octadecylsulfonyl)-alanine sodium salt
  • 1-octadecanesulfonyl chloride
  • 2-octadecanone

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H304

Precautionary Statements

P301 + P310 - P331 - P405 - P501

Hazard Classifications

Asp. Tox. 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

330.8 °F - closed cup

Flash Point(C)

166 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Ahmad Fariz Nicholas et al.
Nanomaterials (Basel, Switzerland), 8(9) (2018-09-08)
The preparation of activated carbon using palm kernel shells as the precursor (PKSAC) was successfully accomplished after the parametric optimization of the carbonization temperature, carbonization holding time, and the ratio of the activator (H₃PO₄) to the precursor. Optimization at 500
Synthesis and Physicochemical Properties of Alanine?Based Surfactants.
Bougueroua M, et al.
Journal of Surfactants and Detergents, 19(6), 1121-1131 (2016)
Fundamental time scales governing organic aerosol multiphase partitioning and oxidative aging.
Zhang H, et al.
Environmental Science & Technology, 49(16), 9768-9777 (2015)
Fabrication and performances of microencapsulated phase change materials based on n-octadecane core and resorcinol-modified melamine?formaldehyde shell.
Zhang H and Wang X
Colloids Surf., 332(2-3), 129-138 (2009)
Dominik Enders et al.
Physical chemistry chemical physics : PCCP, 13(11), 4935-4941 (2011-02-05)
Flat nano-island films prepared by wet-chemical deposition were investigated with attenuated total reflection infrared (ATR-IR) spectroscopy and scanning electron microscopy (SEM) in order to analyze the correlation between film morphology and optical properties. Here we choose Au as representative coinage
View All Related Papers

Protocols

US EPA Method 8015 (modified): GC Analysis of Diesel Range Organics (DRO) on SLB®-5ms (20 m x 0.18 mm I.D., 0.18 µm), Fast GC Analysis

Separation of Decane; Dodecane; Tetradecane; Hexadecane; Octadecane; Eicosane; Docosane; Tetracosane; Hexacosane; Octacosane

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service