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674516

1-Hexadecanethiol

99%

Synonym(s):

Cetyl mercaptan, Hexadecyl mercaptan, Mercaptan C16

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About This Item

Linear Formula:
CH3(CH2)15SH
CAS Number:
2917-26-2
Molecular Weight:
258.51
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
24885217
EC Number:
220-846-6
Beilstein/REAXYS Number:
1748495
MDL number:
MFCD00011677
Assay:
99%
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Quality Segment

100

assay

99%

refractive index

n20/D 1.462 (lit.)

bp

184-191 °C/7 mmHg (lit.)

mp

18-20 °C (lit.), 20-24 °C

density

0.84 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CCCCCCCCCCCCCCCCS

InChI

1S/C16H34S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17/h17H,2-16H2,1H3

InChI key

ORTRWBYBJVGVQC-UHFFFAOYSA-N

General description

1-Hexadecanethiol (HDT) is an alkanethiol that forms a self-assembled monolayer (SAM) by linking sulfur ions with the surface atoms. The methyl groups form a network with the aqueous phase that allows the formation of hydrophobic surfaces with low surface tension.

Application

HDT functionalized gold surfaces with pentacene form a low injection barrier, which can be used to enhance the performance of pentacene organic field effect transistors (OFETs). It can also be used to immobilize silver nanoparticles (AgNPs), synthesized by reducing silver phosphine precursors.
Used to prepare thiol-functionalized 1.5 nm gold nanoparticles via a ligand exchange process with triphenylphosphine-stabilized nanoparticles. Used in the formation of hydrophobic SAMs. Due to the length of the alkane chain, the resulting monolayer is highly ordered.

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Storage Class

10 - Combustible liquids

flash_point_f

215.6 °F - closed cup

flash_point_c

102 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315

Hazard Classifications

Skin Irrit. 2

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