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8.14444

1-Octadecanethiol

Name: 1-Octadecanethiol
Brand: MM

for synthesis

Synonym(s):

1-Octadecanethiol, n-Octadecyl mercaptan, Stearyl mercaptane

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About This Item

Linear Formula:

CH₃-(CH₂)₁₆-CH₂-SH

CAS Number:

2885-00-9

Molecular Weight:

286.56

UNSPSC Code:

12352105

EC Index Number:

220-744-1

NACRES:

NA.22

MDL number:

MFCD00004886

Assay:

≥98.0% (GC)

Form:

solid

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Properties

vapor pressure

<0.5 hPa ( 20 °C)

Quality Level

200

assay

≥98.0% (GC)

form

solid

autoignition temp.

>200 °C

potency

>5000 mg/kg LD₅₀, oral (Rat), >2000 mg/kg LD₅₀, skin (Rat)

bp

366 °C

mp

28-31 °C

transition temp

flash point 185 °C

density

0.847 g/cm³ at 20 °C

storage temp.

2-30°C

SMILES string

SCCCCCCCCCCCCCCCCCC

InChI

1S/C18H38S/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

QJAOYSPHSNGHNC-UHFFFAOYSA-N

Description

Application

Self-Assembled 1-Octadecanethiol Membrane on Pd/ZnO for a Selective Room Temperature Flexible Hydrogen Sensor: This study explores the use of 1-octadecanethiol in the development of a selective room temperature hydrogen sensor, demonstrating its potential in enhancing sensor performance (Pathak, Cho, 2021).
Property improvement of GaAs surface by 1-octadecanethiol passivation: The article investigates the impact of 1-Octadecanethiol passivation on GaAs surfaces, revealing improvements in surface properties and potential applications in semiconductor technologies (Zhou et al., 2019).
Sputtering synthesis and optical investigation of octadecanethiol-protected fluorescent Au nanoparticles: This research examines the optical properties of gold nanoparticles protected by 1-octadecanethiol, highlighting their potential in various optical and electronic applications (Ishida et al., 2015).
Kinetics of radical telomerization of acrylic acid in the presence of 1-octadecanethiol: The study focuses on the telomerization process of acrylic acid with 1-octadecanethiol, offering insights into the polymerization kinetics and applications in polymer science (Mezhuev et al., 2018).
Formation of a mixed monolayer on a gold surface using fluorobenzenethiol and alkanethiol: This article describes the formation of mixed monolayers using 1-octadecanethiol, which could be crucial for developing advanced molecular assemblies on gold surfaces (Ikematsu et al., 2019).

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Appearance of substance (visual): turbidity
Melting range (lower value): ≥ 28 °C
Melting range (upper value): ≤ 32 °C
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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pictograms

GHS07,GHS09

signalword

Warning

hcodes

H315 - H400

pcodes

P264 - P273 - P280 - P302 + P352 - P332 + P313 - P362 + P364

Hazard Classifications

Aquatic Acute 1 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c