701696
4,4′-Dimercaptostilbene
>96%
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About This Item
Empirical Formula (Hill Notation):
C14H12S2
CAS Number:
Molecular Weight:
244.38
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352103
MDL number:
Quality Level
assay
>96%
form
powder
mp
252-257 °C
SMILES string
Sc1ccc(cc1)\C=C\c2ccc(S)cc2
InChI
1S/C14H12S2/c15-13-7-3-11(4-8-13)1-2-12-5-9-14(16)10-6-12/h1-10,15-16H/b2-1+
InChI key
FOYJDMJLWTYTCC-OWOJBTEDSA-N
General description
4,4′-Dimercaptostilbene is a dithiol molecule that can be coated on gold (Au) surfaces as it provides a rigid structure and has low susceptibility to chemical interactions. It modifies the surface of gold and enables an increase in enhancement factor (EF) for surface enhanced Raman spectroscopy.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Articles
Self-assembled monolayers (SAMs) have diverse applications; article compares benefits of alkylthiolates on gold SAM systems.
Related Content
Patrick Z El-Khoury et al.
Nano letters, 14(7), 4114-4118 (2014-06-14)
We record sequences of Raman spectra at a plasmonic junction formed by a gold AFM tip in contact with a silver surface coated with 4,4'-dimercaptostilbene (DMS). A 2D correlation analysis of the recorded trajectories reveals that the observable vibrational states
Single molecule SERS and detection of biomolecules with a single gold nanoparticle on a mirror junction
Li L, et al.
Analyst, 138(16), 4574-4578 (2013)
Patrick Z El-Khoury et al.
Nano letters, 15(4), 2385-2390 (2015-03-06)
We report tip-enhanced Raman imaging experiments in which information on sample topography and local electric fields is simultaneously obtained using an all-optical detection scheme. We demonstrate how a Raman-active 4,4'-dimercaptostilbene (DMS)-coated gold tip of an atomic force microscope can be
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 701696-100MG | 04061832881331 |