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Merck

O652

Octadecane

99%

Synonym(s):

C18-n-Alkane, n-Octadecane

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About This Item

Linear Formula:
CH3(CH2)16CH3
CAS Number:
593-45-3
Molecular Weight:
254.49
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24898037
EC Number:
209-790-3
Beilstein/REAXYS Number:
1740138
MDL number:
MFCD00009007
Assay:
99%
Form:
solid or liquid (Conforms to requirements)

Key Documents

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InChI key

RZJRJXONCZWCBN-UHFFFAOYSA-N

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

SMILES string

CCCCCCCCCCCCCCCCCC

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.)

Quality Level

100

density

0.777 g/mL at 25 °C (lit.)

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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

signalword

Danger

hcodes

H304

Hazard Classifications

Asp. Tox. 1

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

330.8 °F - closed cup

flash_point_c

166 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ5099
MKCV1787
MKCM5285
MKCG6046
MKBZ5347V

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Aiym Tleuova et al.
Nanomaterials (Basel, Switzerland), 10(12) (2020-12-03)
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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)
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
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)
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