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695068

Sigma-Aldrich

氢氟酸

ACS reagent, 48%

别名:

HF

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About This Item

经验公式（希尔记法）:
HF
CAS号:
7664-39-3
分子量:
20.01
EC號碼:
231-634-8
MDL號碼:
MFCD00011346
分類程式碼代碼:
12352106
PubChem物質ID:
329761712
NACRES:
NA.21

等級

ACS reagent

品質等級

200

蒸汽密度

1.27 (vs air)

蒸汽壓力

25 mmHg ( 20 °C)

化驗

48%

形狀

liquid

密度

1.15 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤5 ppm
phosphate (PO43-): ≤1 ppm
sulfate, sulfite (as SO42-): ≤5 ppm

正離子痕跡

As: ≤0.05 ppm
Cu: ≤0.1 ppm
Fe: ≤1 ppm
heavy metals (as Pb): ≤0.5 ppm

SMILES 字串

[H+].[F-]

InChI

1S/FH/h1H

InChI 密鑰

KRHYYFGTRYWZRS-UHFFFAOYSA-N

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相关类别

一般說明

氢氟酸是氟化氢(HF)在水中的溶液。它由氢和氟化物组成。氢氟酸是一种无色的强腐蚀性液体。它通常用于制造碳氢化合物和抛光和调理玻璃。此外，它还被用作催化剂，用于合成含氟化合物和半导体。

應用

氯化氢溶液可用作试剂以合成：
  • 通过乙烯醚与硅氰烷的手性质子酸介导氢化反应制备氰丙烷烷基醚。
  • 通过三氟化芳酯与二甲胺的 Pd 催化 Buchwald-Hartwig 胺化制备 N, N-二甲基苯胺盐酸盐。
还可用作催化剂，通过羧酸与胺的酰胺化合成酰胺。

象形圖

Skull and crossbonesCorrosion
GHS06,GHS05

訊號詞

Danger

危險分類

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1A

儲存類別代碼

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

水污染物質分類（WGK）

WGK 2

閃點（°F）

Not applicable

閃點（°C）

Not applicable

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