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Merck

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號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NA.23

等級

purum

品質等級

化驗

≥95.0% (GC)

形狀

solid

bp

204-210 °C/11 mmHg (lit.)

mp

30-33 °C (lit.)

密度

0.847 g/mL at 25 °C (lit.)

SMILES 字串

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 密鑰

QJAOYSPHSNGHNC-UHFFFAOYSA-N

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相关类别

一般說明

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。

應用

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。

分析報告

熔化时可能含有沉淀

象形圖

Exclamation markEnvironment

訊號詞

Warning

危險聲明

危險分類

Aquatic Acute 1 - Skin Irrit. 2

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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