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Chemical compound
Hydrogen fluoride is an inorganic compound with chemical formula HF. It is a colorless gas or liquid that dissolves in water to yield hydrofluoric acid
Hydrogen_fluoride
Ion of fluorine
hydrogen fluoride for fluorocarbons. Fluoride is classified as a weak base, since it only partially associates in solution, but concentrated fluoride
Fluoride
Chemical compound
Fluoroantimonic acid is a mixture of hydrogen fluoride and antimony pentafluoride, containing various cations and anions, the simplest being fluoronium
Fluoroantimonic_acid
Solution of hydrogen fluoride in water
Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water. Solutions of HF are colorless, acidic and highly corrosive. A common concentration
Hydrofluoric_acid
Type of chemical laser
The hydrogen fluoride laser is an infrared chemical laser capable of delivering continuous output power in the megawatt range. Hydrogen fluoride lasers
Hydrogen_fluoride_laser
Chemical element with atomic number 9 (F)
steelmaking. The rest of the fluorite is converted into hydrogen fluoride en route to various organic fluorides, or into cryolite, which plays a key role in aluminium
Fluorine
Chemical compound
white, crystalline salt. It is typically produced from ammonia and hydrogen fluoride. Ammonium bifluoride is toxic and corrosive. In industry, it etches
Ammonium_bifluoride
Possible alternative biochemicals used by life forms
it is added to liquid HF. However, hydrogen fluoride is cosmically rare, unlike water, ammonia, and methane. Hydrogen sulfide is the closest chemical analog
Hypothetical types of biochemistry
Hypothetical_types_of_biochemistry
Chemical compound consisting of hydrogen bonded to a halogen element
liquified hydrogen fluoride is a polar solvent somewhat similar to water). Thus, chemists distinguish hydrogen chloride from hydrochloric acid. Hydrogen chloride
Hydrogen_halide
Any chemical compound having at least one fluorine atom
exist. Fluoride may act as a bridging ligand between two metals in some complex molecules. Molecules containing fluorine may also exhibit hydrogen bonding
Fluorine_compounds
Chemical compound
lithium hydroxide or lithium carbonate with hydrogen fluoride. Lithium fluoride is reacted with hydrogen fluoride (HF) and phosphorus pentachloride to make
Lithium_fluoride
Chemical compound
produced: HF + K[HF2] → K[H2F3] Thermal decomposition of K[HF2] gives hydrogen fluoride: K[HF2] → HF + KF The industrial production of fluorine entails the
Potassium_bifluoride
Chemical compound
carbonyl fluoride:[citation needed] CF4 + H2O → COF2 + 2 HF Carbonyl fluoride can also be prepared by reaction of phosgene with hydrogen fluoride as well
Carbonyl_fluoride
Ionic compound (KF)
Potassium fluoride is the chemical compound with the formula KF. After hydrogen fluoride, KF is the primary source of the fluoride ion for applications
Potassium_fluoride
Gas used to create buoyancy in a balloon or aerostat
generally impractical due to the high boiling point and condensation. Hydrogen fluoride is lighter than air and could theoretically be used as a lifting gas
Lifting_gas
hydrogen fluoride and 30% pyridine; alcohols react with this reagent to give alkyl fluorides: It acts as a stabilized, less volatile form of hydrogen
Olah_reagent
Chemical compound
the principal source of hydrogen fluoride, a commodity chemical used to produce a wide range of materials. Calcium fluoride in the fluorite state is
Calcium_fluoride
Oil refinery explosion
the next day due to concerns regarding the stability of the plant's hydrogen fluoride tank. The U.S. Chemical Safety Board released their final report on
2018 Superior Refinery explosion
2018_Superior_Refinery_explosion
Chemical compound
and hydrogen fluoride; the two gases can still recombine, i.e. the reaction is reversible: [NH4]F ⇌ NH3 + HF At elevated pressures, ammonium fluoride melts
Ammonium_fluoride
Chemical compound
aluminium fluoride is produced by treating alumina with hydrogen fluoride at 700 °C: Hexafluorosilicic acid may also be used make aluminium fluoride. H2[SiF6]
Aluminium_fluoride
Chemical compound
the oxidation of water by fluorine, which produces hydrogen fluoride, oxygen difluoride, hydrogen peroxide, ozone and oxygen. HOF is explosive at room
Hypofluorous_acid
Chemical compound
isobutyl bromide and in fluorocarbon (C7F16). When treated with liquid hydrogen fluoride (HF) at room temperature, UCl6 produces UF5. 2 UCl6 + 10 HF → 2 UF5
Uranium_hexachloride
City in Texas, United States
dropped its load on a tank of liquid hydrogen fluoride, causing the release of 36,000 pounds (16,000 kg) of hydrogen fluoride gas and requiring 3,000 residents
Texas_City,_Texas
Medical condition
edema (fluid buildup in the lungs), bleeding, and low blood oxygen. Hydrogen fluoride is used in a number of industries including glass etching and electronics
Hydrofluoric_acid_burn
Chemical compound
formation of ferric fluoride may have been responsible for the explosion of a cylinder of hydrogen fluoride gas. PubChem. "Iron fluoride (FeF3)". pubchem
Iron(III)_fluoride
Chemical compound of magnesium and fluorine
the rare mineral sellaite. Magnesium fluoride is prepared from magnesium oxide with sources of hydrogen fluoride such as ammonium bifluoride, by the breakdown
Magnesium_fluoride
Octahedric silicon compound
hexafluorosilicate anion is hydrogen bonded to the cations. Aqueous solutions of hexafluorosilicic acid are often described as H2SiF6, but the main fluoride-containing
Hexafluorosilicic_acid
History of the chemical element fluorine
was determined to be calcium fluoride. Because of fluorine's tight bonding as well as the toxicity of hydrogen fluoride, the element resisted many attempts
History_of_fluorine
Volcanic opening that emits hot gases
compounds, such as various sulfur oxides and hydrogen sulfide, and sometimes hydrogen chloride, hydrogen fluoride, and other gases. A fumarole that emits significant
Fumarole
Ionic compound (NaF)
Sodium fluoride (NaF) is an inorganic compound with the formula NaF. It is a colorless or white solid that is readily soluble in water. It is used in trace
Sodium_fluoride
Chemical compound
High-purity silver(I) fluoride can be produced by the heating of silver carbonate to 310 °C (590 °F) under a hydrogen fluoride environment, in a platinum
Silver(I)_fluoride
Chemical compound
formula SF4. It is a colorless corrosive gas that releases dangerous hydrogen fluoride gas upon exposure to water or moisture. Sulfur tetrafluoride is a
Sulfur_tetrafluoride
Chemical compound
mercury-catalyzed addition of hydrogen fluoride to acetylene: HCCH + 2 HF → CH3CHF2 The intermediate in this process is vinyl fluoride (C2H3F), the monomeric
1,1-Difluoroethane
Solvent containing an H+ ion
hydrogen atom bound to an oxygen (as in a hydroxyl group −OH), a nitrogen (as in an amine group −NH2 or −NH−), or fluoride (as in hydrogen fluoride)
Protic_solvent
Group of chemical elements
hydrogen known as the hydrogen halides: hydrogen fluoride (HF), hydrogen chloride (HCl), hydrogen bromide (HBr), hydrogen iodide (HI), and hydrogen astatide
Halogen
Chemical element with atomic number 17 (Cl)
temperature, hydrogen chloride is a colourless gas, like all the hydrogen halides apart from hydrogen fluoride, since hydrogen cannot form strong hydrogen bonds
Chlorine
Mineral form of calcium fluoride
Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2. It belongs to the halide minerals. It crystallizes in isometric cubic habit
Fluorite
Extremely strong acid
fluoroantimonic acid, they are bound to one or more molecules of hydrogen fluoride. Though hydrogen fluoride is normally regarded as an exceptionally weak proton
Superacid
Separation of electric charge in a molecule
negative charge (red) to an H atom with a positive charge (blue). The hydrogen fluoride, HF, molecule is polar by virtue of polar covalent bonds – in the
Chemical_polarity
Chemical compound
produces toxic gases (carbonyl fluoride and carbon monoxide) and in the presence of water will also yield hydrogen fluoride. It is very slightly soluble
Carbon_tetrafluoride
Liquid form of rocket propellants
breakthrough was the addition of a little hydrogen fluoride (HF), which forms a self-sealing metal fluoride on the interior of tank walls that Inhibited
Liquid_rocket_propellant
Chemical compound
gives hydrogen fluoride (HF) and tungsten oxyfluorides, eventually forming tungsten trioxide: WF6 + 3 H2O → WO3 + 6 HF Unlike some other metal fluorides, WF6
Tungsten_hexafluoride
Class of chemical compounds
of a substrate dissolved in hydrogen fluoride. As fluorine is itself manufactured by the electrolysis of hydrogen fluoride, ECF is a rather more direct
Fluorocarbon
Chemical compound
surface that forms on nickel alloys (e.g. monel) in the presence of hydrogen fluoride or elemental fluorine. For this reason, nickel and its alloys are
Nickel(II)_fluoride
Chemical compound
formula HgF2. It is produced by the reaction of mercury(II) oxide and hydrogen fluoride, and is usually encountered as the hydrated form HgF2·2H2O. It is
Mercury(II)_fluoride
Chemical compound
red solid dissolves in hydrogen fluoride but these solutions decompose, liberating fluorine. The structure of gold(V) fluoride in the solid state is centrosymmetric
Gold(V)_fluoride
Chemical compound
decomposes autocatalytically near room temperature to carbon monoxide and hydrogen fluoride: HC(O)F → HF + CO Because of the compound's sensitivity, reactions
Formyl_fluoride
Chemical compound
Fluorocyclohexane can by prepared by reaction of cyclohexanol with hydrogen fluoride. Fluoroalkanes Fluorocyclopropane Fluorobenzene "Fluorocyclohexane
Fluorocyclohexane
Intermolecular attraction between a hydrogen donor-and-acceptor pair
OCO) than are donor-type hydrogen bonds, beginning on the same oxygen atom's hydrogen atoms. For example, hydrogen fluoride—which has three lone pairs
Hydrogen_bond
Byproduct of uranium enrichment
associated with the processing of DUHF. Uranium and fluoride compounds such as hydrogen fluoride (HF) are toxic at low levels of chemical exposure. When
Depleted_uranium_hexafluoride
Chemical compound
substances, including hydrogen fluoride. Hydrogen fluoride for instance will passivate the container metal with a thin layer of metal fluoride, making it nearly
Red_fuming_nitric_acid
Chemical compound
potassium fluoride, nickel dichloride, and fluorine. It reacts violently with water, releasing oxygen. It dissolves in anhydrous hydrogen fluoride to produce
Potassium hexafluoronickelate(IV)
Potassium_hexafluoronickelate(IV)
Laser that obtains energy from chemical reactions
hydrogen fluoride (HF) and deuterium fluoride (DF) lasers, all operating in the mid-infrared region. There is also a DF–CO2 laser (deuterium fluoride–carbon
Chemical_laser
Chemical compound
decompose and produce a small quantity of hydrogen fluoride. Other decomposition products include carbonyl fluoride, carbon monoxide and carbon dioxide. Explosive
1,1,1,2,3,3,3-Heptafluoropropane
1,1,1,2,3,3,3-Heptafluoropropane
Technique in chemistry and manufacturing
electrolysis on anhydrous hydrogen fluoride to create a gaseous fluorine pure element. Before he used hydrogen fluoride, Moissan used fluoride salts with electrolysis
Electrolysis
Change of enthalpy during the formation of a compound from its elements
lattice energy of lithium fluoride. (UL) The sum of these enthalpies give the standard enthalpy of formation (ΔfH⦵ ) of lithium fluoride: ΔfH⦵ (LiF) = ΔatH⦵
Standard enthalpy of formation
Standard_enthalpy_of_formation
Major Pennsylvania air pollution incident
beginning on October 27, 1948, and lasting several days. It was caused by hydrogen fluoride and sulfur dioxide emissions from U.S. Steel's Donora Zinc Works and
1948_Donora_smog
Anion with the chemical formula PF6–
HCl Hexafluorophosphoric acid can be prepared by direct reaction of hydrogen fluoride with phosphorus pentafluoride. It is a strong Brønsted acid that is
Hexafluorophosphate
Chemical compound
fluoride overcomes the very low basicity of hydrogen fluoride and strips it of its bonding electrons and fluoride. This forces HF to act as a Brønsted–Lowry
Fluoroantimonate
Chemical element with atomic number 35 (Br)
colourless gas, like all the hydrogen halides apart from hydrogen fluoride, since hydrogen cannot form strong hydrogen bonds to the large and only mildly
Bromine
Measure of the level of acidity or basicity of an aqueous solution
takes account of a further protonation relationship between hydrogen cations and fluoride ions, H+ + F− ⇌ HF. Resulting in the following expression for
PH
Chemical compound formed when an acid donates a proton to a base
In other words, a conjugate acid is a base with a hydrogen ion added to it, as it loses a hydrogen ion in the reverse reaction, and a conjugate base is
Conjugate_(acid-base_theory)
Chemical compound
used to set the salt to zero through bubbling a 1:1 mixture of hydrogen fluoride and hydrogen through the salt. Occasionally the reaction: NiF2(d) + 2 e−
FLiBe
Chemical reaction
limited), and is difficult to handle, toxic, and capable of generating hydrogen fluoride upon hydrolysis. Thus, aminosulfurane reagents such as diethylaminosulfur
Fluorination with aminosulfuranes
Fluorination_with_aminosulfuranes
Chemical reaction
is assumed to resemble chlorination by phosphorus pentachloride. Hydrogen fluoride, a useful solvent for these reactions, activates SF4: SF4 + HF ⇌ SF+3
Fluorination by sulfur tetrafluoride
Fluorination_by_sulfur_tetrafluoride
Chemical compound
The compound hydrogen chloride has the chemical formula HCl and as such is a hydrogen halide. At room temperature, it is a colorless gas, which forms white
Hydrogen_chloride
Chemical compound
hexafluoroantimonate anion [SbF6]-. The decomposition of this substance releases hydrogen fluoride, nitrogen oxides, and antimony oxides. Nitrosonium hexafluoroantimonate
Nitrosonium hexafluoroantimonate
Nitrosonium_hexafluoroantimonate
Physical and chemical properties of pure water
hydrogen bonds because it can accept two bonds using the lone pairs on oxygen and donate two hydrogen atoms. Other molecules like hydrogen fluoride,
Properties_of_water
Chemical compound
Beryllium fluoride is the inorganic compound with the formula BeF2. This white solid is the principal precursor for the manufacture of beryllium metal
Beryllium_fluoride
Type of coupling used in NMR spectroscopy
can be visualized by a vector model for a simple molecule such as hydrogen fluoride (HF). In HF, the two nuclei have spin 1/2. Four states are possible
J-coupling
Dental drugs containing fluoride
microorganisms in dental plaque. Fluoride ions readily combine with hydrogen cations to produce hydrogen fluoride. Hydrogen fluoride subsequently acidifies the
Topical_fluoride
Fluorinating reagent used in organic chemistry
hexafluoropropylamine; any enamine is converted into this by the hydrogen fluoride byproduct as the reaction proceeds. Ishikawa's reagent is a popular
Ishikawa_reagent
Chemical compound
crystalline solid, which reacts with water to form the corrosive acids hydrogen fluoride (HF) and nitric acid (HNO3). As such, it must be handled under water-free
Nitronium_tetrafluoroborate
Variant of fluorite (CaF2)
substance called antozone, is responsible for the mineral's name) and hydrogen fluoride. Sanderson, Katharine (2012). "Stinky rocks hide Earth's only haven
Antozonite
Chemical rearrangement
rearrangement. Other acids, such as sulfuric acid, polyphosphoric acid, and hydrogen fluoride have all been used. Sulfuric acid is the most commonly used acid for
Beckmann_rearrangement
Topics referred to by the same term
method, a calculation scheme in the field of computational chemistry Hydrogen fluoride, HF, a diatomic compound which can dissolve in water to form hydrofluoric
HF
Chemical compound
Difluoromethane is produced by the reaction of dichloromethane and hydrogen fluoride (HF) using SbF5 as a catalyst. CH2Cl2 + 2 HF → CH2F2 + 2 HCl Difluoromethane
Difluoromethane
Chemical compound
that of rhodium(III) fluoride. Each In center is octahedral. It is formed by the reaction of indium(III) oxide with hydrogen fluoride or hydrofluoric acid
Indium(III)_fluoride
Simplest carboxylic acid (HCOOH)
(e.g. hydrogen tetrafluoroborate in anhydrous hydrogen fluoride). The difference has been ascribed to a transition state stabilized by hydrogen bonding
Formic_acid
Chemical compound
reacts with the water in the air to produce UO2F2 (uranyl fluoride) and HF (hydrogen fluoride) both of which are highly corrosive and toxic. In 2005, about
Uranium_hexafluoride
Chemical element with atomic number 91 (Pa)
protactinium(IV) fluoride is obtained from the oxide and a mixture of hydrogen and hydrogen fluoride at 600 °C; a large excess of hydrogen is required to
Protactinium
Class of chemical compounds
subdivided into three approaches. Acyl chlorides react with hydrogen fluoride to give acyl fluorides. This reaction is relevant to the use of electrofluorination
Acyl_fluorides
Chemical element with atomic number 93 (Np)
neptunium oxides with anhydrous hydrogen fluoride at various temperatures. Neptunium also forms a wide variety of fluoride compounds with various elements
Neptunium
Chemical compound
protactinium(IV) oxide with a hydrogen fluoride / hydrogen mixture at 600 °C: PaO2 + 4HF → PaF4 + 2H2O The effect of hydrogen fluoride and hydrogen on protactinium(V)
Protactinium_tetrafluoride
Chemical compound
synthesis. It can be made by the reaction of trichloroethylene and hydrogen fluoride. HCFC-133a measured by the Advanced Global Atmospheric Gases Experiment
2-Chloro-1,1,1-trifluoroethane
2-Chloro-1,1,1-trifluoroethane
Rupture in a planet's crust where material escapes
layer, and acids such as hydrogen chloride (HCl) and hydrogen fluoride (HF) can fall to the ground as acid rain. Excessive fluoride salts from eruptions have
Volcano
Catastrophic volcanic eruption in Indonesia in 1815
they eject carbon dioxide (CO2), water, hydrogen, sulfur dioxide (SO2), hydrogen chloride, hydrogen fluoride and many other gases (Meronen et al. 2012)
1815 eruption of Mount Tambora
1815_eruption_of_Mount_Tambora
Hydroiodic acid – HI Hydrogen bromide – HBr Hydrogen chloride – HCl Hydrogen cyanide – HCN Hydrogen fluoride – HF Hydrogen peroxide – H2O2 Hydrogen selenide – H2Se
List_of_inorganic_compounds
Chemical compound
tetrafluoride and sulfur. 2 S=SF2 → SF4 + 3 S With hydrogen fluoride, it forms sulfur tetrafluoride and hydrogen sulfide. S=SF2 + 2 HF → SF4 + H2S It condenses
Thiothionyl_fluoride
Highly corrosive mineral acid
0.6 to 0.7% hydrogen fluoride (HF). This fluoride is added for corrosion resistance in metal tanks. The fluoride creates a metal fluoride layer that protects
Nitric_acid
Proposed space-based weapon system
Strategic Defense Initiative. It included the Alpha laser, a high energy hydrogen fluoride chemical laser, and the LAMP mirror which was a 7 segment adaptive
Zenith_Star
Chemical compound
prepared by the reaction of antimony pentachloride with anhydrous hydrogen fluoride: SbCl5 + 5 HF → SbF5 + 5 HCl It can also be prepared from antimony
Antimony_pentafluoride
Chemical compound
production of metallic alloys. Cadmium fluoride is prepared by the reaction of gaseous fluorine or hydrogen fluoride with cadmium metal or its salts, such
Cadmium_fluoride
Organofluorine chemistry method
electrolysis of a solution of an organic compound in a solution of hydrogen fluoride. An individual reaction can be described as: R3C–H + HF → R3C–F +
Electrochemical_fluorination
Thermoplastic fluoropolymer
Polyvinylidene fluoride or polyvinylidene difluoride (PVDF) is a highly non-reactive thermoplastic fluoropolymer produced by the polymerization of vinylidene
Polyvinylidene_fluoride
Chemical compound
chloride with anhydrous hydrogen fluoride: SnCl4 + 4HF → SnF4 + 4HCl When treated with alkali metal fluorides (e.g. KF), tin(IV) fluoride forms hexafluorostannates:
Tin(IV)_fluoride
French chemist and pharmacist (1852–1907)
solution of potassium hydrogen difluoride (KHF2) in liquid hydrogen fluoride (HF). The mixture was necessary because hydrogen fluoride is a nonconductor.
Henri_Moissan
Chemical compound
heating, it converts to aluminium trifluoride, a reaction that releases hydrogen fluoride. It has also been used as a precursor to zeolites. Ammonium hexafluoroaluminate
Ammonium_hexafluoroaluminate
Industry dealing with chemicals from fluorine
potassium bifluoride in hydrogen fluoride. Potassium bifluoride forms spontaneously from potassium fluoride and the hydrogen fluoride: HF + KF → KHF2 A mixture
Fluorochemical_industry
Chemical compound
synthesis involves cyclization of o-benzylbenzoic acid induced with hydrogen fluoride. Anthrone condenses with glyoxal to give, following dehydrogenation
Anthrone
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