74731
1-十八硫醇
purum, ≥95.0% (GC)
别名:
Mercaptan C18, 十八硫醇, 正十八硫醇
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关于此项目
线性分子式:
CH3(CH2)17SH
化学文摘社编号:
分子量:
286.56
UNSPSC Code:
12352300
NACRES:
NA.23
PubChem Substance ID:
EC Number:
220-744-1
Beilstein/REAXYS Number:
1811934
MDL number:
产品名称
1-十八硫醇, purum, ≥95.0% (GC)
InChI key
QJAOYSPHSNGHNC-UHFFFAOYSA-N
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
SMILES string
CCCCCCCCCCCCCCCCCCS
grade
purum
assay
≥95.0% (GC)
form
solid
bp
204-210 °C/11 mmHg (lit.)
mp
30-33 °C (lit.)
density
0.847 g/mL at 25 °C (lit.)
Quality Level
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Analysis Note
熔化时可能含有沉淀
Application
ODT用于将硫醇化分子沉积到金基质的表面上，例如
- 金石英晶体谐振器上的SAM。
- 在原子力显微镜探针的尖端。
- 电容式传感器。
General description
1-十八烷硫醇（ODT）是一种具有18碳烷基链的水溶性硫化合物，它与过渡金属（如金）形成强疏水性组装体，并在此类过渡金属表面形成自组装单层（SAM）。硫醇膜与金属电极表面共价键合时，显示出电致伸缩现象，导致电容变化。ODT SAM具有疏水表面，接触角为102oC。
signalword
Warning
hcodes
Hazard Classifications
Aquatic Acute 1 - Skin Irrit. 2
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Polarization modulation Fourier transform infrared reflectance measurements of thin films and monolayers at metal surfaces utilizing real-time sampling electronics.
Barbara BJ, et al
Analytical Chemistry, 63(1), 55-60 (1991)
Youngnam Cho et al.
The journal of physical chemistry. B, 109(26), 12731-12737 (2006-07-21)
Four TAT peptide fragments were used to functionalize GaAs surfaces by adsorption from solution. In addition, two well-studied alkylthiols, mercaptohexadecanoic acid (MHA) and 1-octadecanethiol (ODT) were utilized as references to understand the structure of the TAT peptide monolayer on GaAs.
Xianghui Xu et al.
Langmuir : the ACS journal of surfaces and colloids, 26(5), 3654-3658 (2009-12-17)
We have reported an easy means in this paper to imitate the "lotus leaf" by constructing a superhydrophobic surface through a process combining both electroless galvanic deposition and self-assembly of n-octadecanethiol. Superhydrophobicity with a static water contact angle of about
Qishu Qu et al.
Electrophoresis, 31(3), 556-562 (2010-02-02)
Nonporous monodispersed silica spheres of 1.3 microm were coated with gold nanoparticles (AuNPs) and subsequently coated with n-octadecanethiol. By transmission electron microscopy analysis, the average diameter of the AuNPs on the silica spheres was determined to be 12 nm. The
Wei Wei Yao et al.
The journal of physical chemistry. B, 113(46), 15263-15271 (2009-10-30)
A procedure was developed for initiating electron transfer from a gold electrode to a low molecular weight electron acceptor present inside supported lipid (lecithin) bilayers, followed by further electron transfer to an electron acceptor present in an aqueous solution. The
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