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此商品 | 30107 | 40211 | 244279 |
|---|---|---|---|
| assay ≥99.99% trace metals basis | assay ≥48% | assay 40-41% | assay 48%, 48.0-51.0% (ACS specification) |
| Quality Level 200 | Quality Level 200 | Quality Level - | Quality Level - |
| form liquid | form liquid | form - | form liquid |
| density 1.15 g/mL at 25 °C (lit.) | density 1.15 g/mL at 25 °C (lit.) | density 1.15 g/mL at 25 °C (lit.) | density 1.15 g/mL at 25 °C (lit.) |
| vapor density 1.27 (vs air) | vapor density 1.27 (vs air) | vapor density 1.27 (vs air) | vapor density 1.27 (vs air) |
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。
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
法规信息
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