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339261

Sigma-Aldrich

氢氟酸

48 wt. % in H2O, ≥99.99% trace metals basis

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
MDL编号:
MFCD00011346
UNSPSC代码:
12352106
PubChem化学物质编号:
329754538
NACRES:
NA.21

蒸汽密度

1.27 (vs air)
1.27 (vs air)

质量水平

200

蒸汽压

25 mmHg ( 20 °C)

方案

≥99.99% trace metals basis

表单

liquid

浓度

48 wt. % in H2O

密度

1.15 g/mL at 25 °C (lit.)

SMILES字符串

[H+].[F-]

InChI

1S/FH/h1H

InChI key

KRHYYFGTRYWZRS-UHFFFAOYSA-N

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相关类别

一般描述

氢氟酸（HF）是浓度为 48% 的 HF 水溶液。它本质上具有弱酸性。含水氢氟酸主要用于蚀刻半导体中的硅和生产无机氟化物。HF也可用作氟化剂和脱保护剂。作为氟化剂，它还与有机碱形成配合物。

应用

氢氟酸被用于：
  • 构成合成 TiO2 纳米管阵列的电解质。
  • 作为玻璃纤维的蚀刻剂。
  • 作为合成锐钛矿型 TiO2 纳米晶体/纳米片的封端剂。

象形图

Skull and crossbonesCorrosion
GHS06,GHS05

警示用语：

Danger

危险分类

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

储存分类代码

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCW5246
MKCV8964
MKCV4758
MKCV4391
MKCT3491

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