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Merck
CN

74731

Sigma-Aldrich

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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About This Item

线性分子式:
CH3(CH2)17SH
CAS号:
分子量:
286.56
Beilstein:
1811934
EC 号:
MDL编号:
UNSPSC代码:
12352300
PubChem化学物质编号:
NACRES:
NA.23

等级

purum

质量水平

方案

≥95.0% (GC)

表单

solid

沸点

204-210 °C/11 mmHg (lit.)

mp

30-33 °C (lit.)

密度

0.847 g/mL at 25 °C (lit.)

SMILES字符串

CCCCCCCCCCCCCCCCCCS

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

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相关类别

一般描述

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。

应用

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。

分析说明

熔化时可能含有沉淀

象形图

Exclamation markEnvironment

警示用语:

Warning

危险声明

危险分类

Aquatic Acute 1 - Skin Irrit. 2

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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
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Plasmonic crystals fabricated with precisely controlled arrays of subwavelength metal nanostructures provide a promising platform for sensing and imaging of surface binding events with micrometer spatial resolution over large areas. Soft nanoimprint lithography provides a robust, cost-effective method for producing
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