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Merck
CN

O3605

1,8-Octanedithiol

≥97%

Synonym(s):

1,8-Dimercaptooctane

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About This Item

Linear Formula:
HS(CH2)8SH
CAS Number:
Molecular Weight:
178.36
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352103
EC Number:
214-738-8
MDL number:
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Quality Segment

assay

≥97%

refractive index

n20/D 1.505 (lit.)

bp

269-270 °C (lit.)

density

0.97 g/mL at 25 °C (lit.)

SMILES string

SCCCCCCCCS

InChI

1S/C8H18S2/c9-7-5-3-1-2-4-6-8-10/h9-10H,1-8H2

InChI key

PGTWZHXOSWQKCY-UHFFFAOYSA-N

General description

1,8-Octanedithiol (OCT) is an alkanedithiol, which forms a self-assembled monolayer (SAM) on a variety of metal surfaces. OCT contains linearly arranged carbon-carbon bonds (C−C) and two sulfur atoms at the end facilitating the attachment with the surface atoms of the substrates. It mainly forms an organo-metallic system, which can be used to improve the electron transport medium for a wide range of electronic applications.

Application

OCT may be used as a processing additive that can functionalize the electrode layer to enhance the power efficiency of P3HT:PCBM solar cells. It may also be used to form a SAM on gold electrodes to enhance the electrochemical properties.


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pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

10 - Combustible liquids

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter



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