339261
氢氟酸
48 wt. % in H2O, ≥99.99% trace metals basis
别名:
HF
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关于此项目
经验公式（希尔记法）:
HF
化学文摘社编号:
分子量:
20.01
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352106
MDL number:
产品名称
氢氟酸, 48 wt. % in H2O, ≥99.99% trace metals basis
InChI
1S/FH/h1H
SMILES string
[H+].[F-]
InChI key
KRHYYFGTRYWZRS-UHFFFAOYSA-N
vapor density
1.27 (vs air)
1.27 (vs air)
vapor pressure
25 mmHg ( 20 °C)
assay
≥99.99% trace metals basis
form
liquid
concentration
48 wt. % in H2O
density
1.15 g/mL at 25 °C (lit.)
Quality Level
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相关类别
Application
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。
General description
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。
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1A
存储类别
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
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