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440191

Sigma-Aldrich

六甲基二硅氮烷

reagent grade, ≥99%

同義詞:

Dow Corning® 产品 Z-6079, 双(三甲基硅烷基)胺, HMDS

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About This Item

線性公式:
(CH3)3SiNHSi(CH3)3
CAS號碼:
分子量::
161.39
Beilstein:
635752
EC號碼:
MDL號碼:
分類程式碼代碼:
12352103
PubChem物質ID:
NACRES:
NA.23

等級

reagent grade

化驗

≥99%

形狀

liquid

折射率

n20/D 1.407 (lit.)

bp

125 °C (lit.)

SMILES 字串

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 密鑰

FFUAGWLWBBFQJT-UHFFFAOYSA-N

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一般說明

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。

應用

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。

特點和優勢

  • 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

象形圖

FlameSkull and crossbones

訊號詞

Danger

危險分類

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

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

52.5 °F - closed cup

閃點(°C)

11.4 °C - closed cup

個人防護裝備

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


分析證明 (COA)

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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
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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
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