30107

氢氟酸

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥48%

• 别名: HF
• 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: 329753436
• NACRES: NA.21

属性

• 等級: ACS reagent; puriss. p.a.
• agency: reag. ISO; reag. Ph. Eur.
• 蒸汽密度: 1.27 (vs air)
• 蒸汽壓力: 25 mmHg ( 20 °C)
• 化驗: ≥48%
• 形狀: liquid
• 雜質: ≤0.005% hexafluorosilic acid (H₂SiF₆)
• 燃燒殘留物: ≤0.0005% (as SO₄)
• 密度: 1.15 g/mL at 25 °C (lit.)
• 負離子痕跡: chloride (Cl^-): ≤1 mg/kg; phosphate (PO₄^3-): ≤0.5 mg/kg; sulfate (SO₄^2-): ≤2 mg/kg; sulfite (SO₃^2-): ≤2 mg/kg
• 正離子痕跡: Ag: ≤0.02 mg/kg; Al: ≤0.05 mg/kg; As: ≤0.05 mg/kg; Ba: ≤0.1 mg/kg; Be: ≤0.02 mg/kg; Bi: ≤0.1 mg/kg; Ca: ≤0.5 mg/kg; Cd: ≤0.01 mg/kg; Co: ≤0.02 mg/kg; Cr: ≤0.02 mg/kg; Cu: ≤0.02 mg/kg; Fe: ≤0.2 mg/kg; Ge: ≤0.05 mg/kg; K: ≤0.1 mg/kg; Li: ≤0.02 mg/kg; Mg: ≤0.2 mg/kg; Mn: ≤0.05 mg/kg; Mo: ≤0.05 mg/kg; Na: ≤0.2 mg/kg; Ni: ≤0.02 mg/kg; Pb: ≤0.05 mg/kg; Sr: ≤0.02 mg/kg; Ti: ≤0.1 mg/kg; Tl: ≤0.05 mg/kg; V: ≤0.05 mg/kg; Zn: ≤0.05 mg/kg; Zr: ≤0.1 mg/kg
• SMILES 字串: [H+].[F-]
• InChI: 1S/FH/h1H
• InChI 密鑰: KRHYYFGTRYWZRS-UHFFFAOYSA-N

说明

一般說明

氢氟酸（HF）是一种强无机酸，通常用作生产有机氟化合物和无机氟化物的氟源。它也用作有机合成中的脱保护试剂。此外，它还用于在酸性溶液中断裂强 Si-O 键以形成 SiF6− 2 离子。

應用

• Speciation of tin ions in oxide glass containing iron oxide through solvent extraction and inductively coupled plasma atomic emission spectrometry after the decomposition utilizing ascorbic acid.: This study explores the speciation of tin ions in iron oxide-containing glass, utilizing ascorbic acid for decomposition followed by solvent extraction and analysis via inductively coupled plasma atomic emission spectrometry, highlighting a novel analytical chemistry application of hydrofluoric acid (Saijo Y et al., 2022).


• Physicochemical and morphological characterization of a glass ceramic treated with different ceramic primers and post-silanization protocols.: This paper discusses the effects of various ceramic primers and silanization protocols on the physicochemical properties and morphology of glass ceramics, contributing to analytical chemistry by elucidating the interactions and stability of treated surfaces (Moreno MBP et al., 2019).


• Effect of Surface Cleaning Regimen on Glass Ceramic Bond Strength.: Investigates the impact of different surface cleaning regimens, including the use of hydrofluoric acid, on the bond strength of glass ceramics, providing insights into optimal surface treatment methods in material science and analytical chemistry (Lapinska B et al., 2019).

安全信息

• 象形圖: GHS06,GHS05
• 訊號詞: Danger
• 危險聲明: H300 + H310 + H330,H314
• 防範說明: P260 - P270 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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