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Sigma-Aldrich

Hydrofluoric acid

JIS special grade

Synonym(s):

HF

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About This Item

Empirical Formula (Hill Notation):
HF
CAS Number:
7664-39-3
Molecular Weight:
20.01
MDL number:
MFCD00011346
UNSPSC Code:
12352106
PubChem Substance ID:
329750090

grade

JIS special grade

vapor density

1.27 (vs air)

vapor pressure

25 mmHg ( 20 °C)

form

liquid

availability

available only in Japan

density

1.15 g/mL at 25 °C (lit.)

SMILES string

[H+].[F-]

InChI

1S/FH/h1H

InChI key

KRHYYFGTRYWZRS-UHFFFAOYSA-N

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Application


  • 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 oxide glass, enhanced by hydrofluoric acid in the decomposition process for analytical purposes ( Saijo et al., 2022).


  • Physicochemical and morphological characterization of a glass ceramic treated with different ceramic primers and post-silanization protocols.: This research discusses the use of hydrofluoric acid in preparing glass ceramic surfaces to enhance their physicochemical properties for dental applications ( Moreno et al., 2019).


  • Chemical analysis of acidic silicon etch solutions I. Titrimetric determination of HNO(3), HF, and H(2)SiF(6).: This paper details a method for analyzing hydrofluoric acid concentrations in industrial etching solutions, providing critical insights into its effective use in silicon processing ( Henßge et al., 2007).


  • Structure of a novel phosphoglycolipid from Deinococcus radiodurans.: Hydrofluoric acid was utilized in the extraction processes that led to identifying unique phosphoglycolipids, contributing to biochemical research and applications ( Jürgens et al., 1986).


Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Signal Word

Danger

Hazard Statements

H300 + H310 + H330,H314

Hazard Classifications

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

Storage Class Code

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

Certificates of Analysis (COA)

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Peter Dinér
The journal of physical chemistry. A, 116(40), 9979-9984 (2012-09-25)
The carbonium ion has been suggested to be the intermediate in superacid-promoted reactions (SbF(5)-HF) such as hydrogen-deuterium exchange and in the electrophilic C-H cleavage into hydrogen and the carbenium ion. In this study, the superacid-promoted C-H cleavage into hydrogen and
Yinquan Yuan et al.
Applied optics, 51(24), 5845-5849 (2012-08-22)
Based on fiber Bragg grating (FBG), an online monitoring system for the etching process of optical fiber in a hydrofluoric (HF) acid solution has been designed. The variation curves of the wavelength shifts of FBGs with etching time at three
Angelika Baranowska-Łączkowska et al.
Journal of computational chemistry, 34(4), 275-283 (2012-09-22)
Interaction-induced static electric properties, that is, dipole moment, polarizability, and first hyperpolarizability, of the CO-(HF)(n) and N(2)-(HF)(n), n = 1-9 hydrogen-bonded complexes are evaluated within the finite field approach using the Hartree-Fock, density functional theory, Møller-Plesset second-order perturbation theory, and
Health care plan for hydrogen fluoride spill, Gumi, Korea.
Hyun-Sul Lim et al.
Journal of Korean medical science, 27(11), 1283-1284 (2012-11-21)
Neutralizing a caustic chemical.
Santiago Nogué et al.
Nursing, 43(6), 8-8 (2013-05-21)
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