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安全信息

440191

Sigma-Aldrich

六甲基二硅氮烷

reagent grade, ≥99%

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别名:
Dow Corning® 产品 Z-6079, 双(三甲基硅烷基)胺, HMDS
线性分子式:
(CH3)3SiNHSi(CH3)3
CAS号:
999-97-3
分子量:
161.39
Beilstein:
635752
EC 号:
213-668-5
MDL编号:
MFCD00008259
PubChem化学物质编号:
24867576
NACRES:
NA.23

等级

reagent grade

检测方案

≥99%

形式

liquid

折射率

n20/D 1.407 (lit.)

bp

125 °C (lit.)

SMILES string

C[Si](C)(C)N[Si](C)(C)C

InChI

1S/C6H19NSi2/c1-8(2,3)7-9(4,5)6/h7H,1-6H3

InChI key

FFUAGWLWBBFQJT-UHFFFAOYSA-N

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相关类别

一般描述

六甲基二硅烷(HMDS)是稳定有效的氢不稳定类物质的三甲基硅烷化反应试剂，如醇、胺和脂肪酸。常用于在化学合成时保护敏感的官能基团。因其低成本、高蒸气压和安全性，广泛用作化学气相沉积(CVD)反应前体。

应用

六甲基二硅烷(HMDS)可用于：
  • 作为硅烷化剂，用于近中性条件下醇类的三甲基硅烷化反应。
  • 在α-氨基酸N-羧基酸酐的开环聚合反应中控制多肽分子量。
  • 通过等离子体增强化学气相沉积(CVD)制备碳氮化硅薄膜。
  • 用于扫描电镜的标本制备，以及羟基化合物制备三甲基硅醚。

特点和优势

  • 强化学稳定性和低分子量
  • 无毒性的实惠试剂
  • 硅烷化反应的唯一副产物只有氨
  • HDMS硅烷化反应近中性，无需采取任何特别措施

象形图

FlameSkull and crossbones
GHS02,GHS06

警示用语：

Danger

危险分类

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Flam. Liq. 2

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(°F)

52.5 °F - closed cup

闪点(°C)

11.4 °C - closed cup

个人防护装备

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

法规信息

危险化学品

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Rapid and highly efficient trimethylsilylation of alcohols and phenols
with hexamethyldisilazane (HMDS) catalysed by in situ generated I2
using OxoneR /KI or cerium ammonium nitrate (CAN)/KI systems
under mild conditions
Eskandar K, et al.
Journal of Chemical Sciences (Bangalore), 123(5), 703-708 (2011)
F Braet et al.
Journal of microscopy, 186(Pt 1), 84-87 (1997-04-01)
Critical point drying (CPD) is a common method of drying biological specimens for scanning electron microscopy (SEM). Drying by evaporation of hexamethyldisilazane (HMDS) has been described as a good alternative. This method, however, is infrequently used. Therefore, we reassessed HMDS
Judith J de Vries et al.
International journal of molecular sciences, 21(19) (2020-10-01)
Subjects with diabetes mellitus (DM) have an increased risk of arterial thrombosis, to which changes in clot structure and mechanics may contribute. Another contributing factor might be an increased formation of neutrophil extracellular traps (NETs) in DM. NETs are mainly
Teresa Dean et al.
Biomaterials science, 8(11), 3078-3094 (2020-04-30)
Cancer associated fibroblasts (CAFs) are a major cellular component of the tumour stroma and have been shown to promote tumour cell invasion and disease progression. CAF-cancer cell interactions are bi-directional and occur via both soluble factor dependent and extracellular matrix
Clyde Savio Pinto et al.
Scientific reports, 9(1), 12191-12191 (2019-08-23)
Apical projections are integral functional units of epithelial cells. Microvilli and stereocilia are cylindrical apical projections that are formed of bundled actin. Microridges on the other hand, extend laterally, forming labyrinthine patterns on surfaces of various kinds of squamous epithelial
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