跳转至内容
Merck
CN

339261

Sigma-Aldrich

氢氟酸

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

别名:

HF

登录查看公司和协议定价


About This Item

经验公式(希尔记法):
HF
CAS号:
分子量:
20.01
MDL编号:
UNSPSC代码:
12352106
PubChem化学物质编号:
NACRES:
NA.21

蒸汽密度

1.27 (vs air)
1.27 (vs air)

质量水平

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

正在寻找类似产品? 访问 产品对比指南

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

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

新产品

从最新的版本中选择一种:

分析证书(COA)

Lot/Batch Number

没有发现合适的版本?

如果您需要特殊版本,可通过批号或批次号查找具体证书。

已有该产品?

在文件库中查找您最近购买产品的文档。

访问文档库

Highly-ordered TiO2 nanotube arrays up to 220μm in length: use in water photoelectrolysis and dye-sensitized solar cells.
Shankar K, et al.
Nanotechnology, 18(6), 065707-065707 (2007)
Francesca Monticelli et al.
Dental materials : official publication of the Academy of Dental Materials, 22(7), 602-609 (2005-11-18)
To verify the influence of different etching procedures of the post-surface on microtensile bond strength values between fiber posts and composite core materials. 60 DT Light Posts were divided into 10 subgroups using five different chemical surface treatments and two
Anatase TiO2 nanosheet: an ideal host structure for fast and efficient lithium insertion/extraction.
Chen JS and Lou XW.
Electrochemical Communications, 11(12), 2332-2335 (2009)
Eagleson M.
Concise Encyclopedia Chemistry, 508-508 (1994)
Nicolas Vodovar et al.
JACC. Heart failure, 3(8), 629-636 (2015-08-08)
This study sought to hypothesize that elevated B-type natriuretic peptide (BNP) could act as an endogenous neprilysin inhibitor. A hallmark of acute decompensated heart failure (ADHF) is the overproduction of natriuretic peptides (NPs) by stretched cardiomyocytes. Various strategies have been

商品

Professor Gogotsi and Dr. Shuck introduce MXenes: a promising family of two-dimensional materials with a unique combination of high conductivity, hydrophilicity, and extensive tunability.

我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系技术服务部门