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Key Documents

O709

Sigma-Aldrich

1-Octadecanol

95%

Synonym(s):

Octadecyl alcohol, Stearyl alcohol

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About This Item

Linear Formula:
CH3(CH2)17OH
CAS Number:
Molecular Weight:
270.49
Beilstein:
1362907
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor density

9.3 (vs air)

vapor pressure

<0.01 mmHg ( 38 °C)

Assay

95%

form

solid

autoignition temp.

842 °F

expl. lim.

~8 %

bp

210 °C/15 mmHg

mp

56-59 °C (lit.)

solubility

H2O: slightly soluble 0.001 g/L at 23 °C

density

0.812 g/mL at 25 °C (lit.)

SMILES string

CCCCCCCCCCCCCCCCCCO

InChI

1S/C18H38O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h19H,2-18H2,1H3

InChI key

GLDOVTGHNKAZLK-UHFFFAOYSA-N

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Application

  • 1-Octadecanol is used in the synthesis of O-octadecyl-S-trifluorothiolcarbonate, which is a storable crystalline source of trifluoromethanethiol.
  • It can be used to improve solution processability of conjugated polymers used in the organic electronic applications.
  • It induces hydrophobicity to the amphiphiles used in the drug and gene delivery.
  • It is also employed in the synthesis of solid-liquid phase change materials (PCMs), surfactant and stabilizers.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

383.0 °F - closed cup

Flash Point(C)

195 °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’.

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