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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线性分子式:
CH3(CH2)17SH
化学文摘社编号:
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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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
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
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