lithium hydrogen difluoride (CAS 12159-92-1) — formula FLi, molecular weight 26.0; category inorganic chemicals.
| CAS Number | 12159-92-1 |
|---|---|
| Molecular Formula | FLi |
| Molecular Weight | 26.0 |
| Melting Point | 848.2 °C |
| Boiling Point | 1673 °C |
| Applications | Uses: Used in optical systems for ultraviolet, visible, or infrared light, in X-ray spectroscopy, in welding rod coatings, as a flux for aluminum, glasses, enamels, and glazes, to make vitreous enamels and glazes, as a heat exchange medium, as a rocket fuel component, for radiation dosimetry, in fuel for molten salt reactors, in aluminum reduction cells, and for thermoluminescent detectors, [HSDB], Aluminum Producing [Category: Industry], Welding [Category: Weld], Brazing [Category: Heat or Machine], Soldering [Category: Heat or Machine], Glass Manufacturing [Category: Industry], Large, pure crystals of lithium fluoride are employed in optical systems for ultraviolet, or infrared light and in X-ray monochromators., X-ray Spectroscopy: Typically lithium fluoride is used for 0.03-0.38 nm ... wavelengths., Lithium fluoride is used in brazing or soldering fluxes and in welding rod coatings., It is a strong flux for glasses, and glazes and imparts a lower coefficient of expansion to glasses. It is also an important component of fluoride glasses in infrared optical applications., For more Uses (Complete) data for LITHIUM FLUORIDE (8 total), please visit the HSDB record page., Industry Uses: Flux agent, Conductive agent, Not Known or Reasonably Ascertainable, Consumer Uses: Not Known or Reasonably Ascertainable, Flux agent, Sealant (barrier), Methods of Manufacturing: Prepared from lithium hydroxide and hydrogen fluoride or by dissolving lithium carbonate in excess hydrogen fluoride, evaporating to dryness, and heating to red heat., Reaction of hydrofluoric acid with lithium carbonate., Reaction of lithium carbonate or hydroxide and hydrofluoric acid, Formulations, Preparations: Grade: Guaranteed 98% (min) lithium fluoride, CP, single pure crystals., U.S. Production: 2023: 100, 000 - <250, 000 lb, 2022: 100, 2021: 100, 2020: 100, General Manufacturing Information: Computer and Electronic Product Manufacturing, Fabricated Metal Product Manufacturing, Lithium fluoride (LiF): ACTIVE, Lithium fluoride (Li(HF2)): INACTIVE, Lithium fluoride (7LiF): INACTIVE |
| Category | Inorganic Chemicals |
Documented applications: Uses: Used in optical systems for ultraviolet, visible, or infrared light, in X-ray spectroscopy, in welding rod coatings, as a flux for aluminum, glasses, enamels, and glazes, to make vitreous enamels and glazes, as a heat exchange medium, as a rocket fuel component, for radiation dosimetry, in fuel for molten salt reactors, in aluminum reduction cells, and for thermoluminescent detectors, [HSDB], Aluminum Producing [Category: Industry], Welding [Category: Weld], Brazing [Category: Heat or Machine], Soldering [Category: Heat or Machine], Glass Manufacturing [Category: Industry], Large, pure crystals of lithium fluoride are employed in optical systems for ultraviolet, or infrared light and in X-ray monochromators., X-ray Spectroscopy: Typically lithium fluoride is used for 0.03-0.38 nm ... wavelengths., Lithium fluoride is used in brazing or soldering fluxes and in welding rod coatings., It is a strong flux for glasses, and glazes and imparts a lower coefficient of expansion to glasses. It is also an important component of fluoride glasses in infrared optical applications., For more Uses (Complete) data for LITHIUM FLUORIDE (8 total), please visit the HSDB record page., Industry Uses: Flux agent, Conductive agent, Not Known or Reasonably Ascertainable, Consumer Uses: Not Known or Reasonably Ascertainable, Flux agent, Sealant (barrier), Methods of Manufacturing: Prepared from lithium hydroxide and hydrogen fluoride or by dissolving lithium carbonate in excess hydrogen fluoride, evaporating to dryness, and heating to red heat., Reaction of hydrofluoric acid with lithium carbonate., Reaction of lithium carbonate or hydroxide and hydrofluoric acid, Formulations, Preparations: Grade: Guaranteed 98% (min) lithium fluoride, CP, single pure crystals., U.S. Production: 2023: 100, 000 - <250, 000 lb, 2022: 100, 2021: 100, 2020: 100, General Manufacturing Information: Computer and Electronic Product Manufacturing, Fabricated Metal Product Manufacturing, Lithium fluoride (LiF): ACTIVE, Lithium fluoride (Li(HF2)): INACTIVE, Lithium fluoride (7LiF): INACTIVE.
lithium hydrogen difluoride is an inorganic compound with CAS registry number 12159-92-1 and molecular formula FLi (molecular weight 26.0), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 12159-92-1
Its molecular formula FLi comprises 1 F, 1 Li atoms.
Also known as: lithium hydrogen difluoride · 二氟化氢锂
Category: inorganic chemicals
The CAS registry number of lithium hydrogen difluoride is 12159-92-1.
Molecular formula FLi, molecular weight 26.0.
It is also registered under: lithium hydrogen difluoride, 二氟化氢锂.
Recorded applications: Uses: Used in optical systems for ultraviolet, visible, or infrared light, in X-ray spectroscopy, in welding rod coatings, as a flux for aluminum, glasses, enamels, and glazes, to make vitreous enamels and glazes, as a heat exchange medium, as a rocket fuel component, for radiation dosimetry, in fuel for molten salt reactors, in aluminum reduction cells, and for thermoluminescent detectors, [HSDB], Aluminum Producing [Category: Industry], Welding [Category: Weld], Brazing [Category: Heat or Machine], Soldering [Category: Heat or Machine], Glass Manufacturing [Category: Industry], Large, pure crystals of lithium fluoride are employed in optical systems for ultraviolet, or infrared light and in X-ray monochromators., X-ray Spectroscopy: Typically lithium fluoride is used for 0.03-0.38 nm ... wavelengths., Lithium fluoride is used in brazing or soldering fluxes and in welding rod coatings., It is a strong flux for glasses, and glazes and imparts a lower coefficient of expansion to glasses. It is also an important component of fluoride glasses in infrared optical applications., For more Uses (Complete) data for LITHIUM FLUORIDE (8 total), please visit the HSDB record page., Industry Uses: Flux agent, Conductive agent, Not Known or Reasonably Ascertainable, Consumer Uses: Not Known or Reasonably Ascertainable, Flux agent, Sealant (barrier), Methods of Manufacturing: Prepared from lithium hydroxide and hydrogen fluoride or by dissolving lithium carbonate in excess hydrogen fluoride, evaporating to dryness, and heating to red heat., Reaction of hydrofluoric acid with lithium carbonate., Reaction of lithium carbonate or hydroxide and hydrofluoric acid, Formulations, Preparations: Grade: Guaranteed 98% (min) lithium fluoride, CP, single pure crystals., U.S. Production: 2023: 100, 000 - <250, 000 lb, 2022: 100, 2021: 100, 2020: 100, General Manufacturing Information: Computer and Electronic Product Manufacturing, Fabricated Metal Product Manufacturing, Lithium fluoride (LiF): ACTIVE, Lithium fluoride (Li(HF2)): INACTIVE, Lithium fluoride (7LiF): INACTIVE.
Category: Inorganic Chemicals.
Independent reference data for lithium hydrogen difluoride (CAS 12159-92-1), compiled from public chemistry databases.
| CAS 号 | 12159-92-1 |
|---|---|
| PubChem CID | 224478 |
| 分子式 | FLi |
| IUPAC 名称 | lithium fluoride |
| UNII（FDA） | 1485XST65B |
| Molecular Weight | 26.0 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 26.01440660 |
| Monoisotopic Mass | 26.01440660 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 2 |
| Boiling Point | 1673 °C |
|---|---|
| Boiling Point | 1676 °C @760 [mm Hg] |
| Melting Point | 848.2 °C |
| Melting Point | 848 °C |
| Density | 2.640 g/cu cm |
| Density | 2.635 @25 °C |
| Vapor Pressure | 1 mm Hg at 1047 °C |
| Vapor Pressure | 1 [mm Hg] @1047 °C |
LITHIUM FLUORIDE; 7789-24-4; Fluorolithium; Lithium monofluoride; Lithium fluoride (LiF); Lithium fluorure; TLD 100; NTL 50; TLD 700; 1485XST65B; NSC-12957; DTXSID10894119; Lithium Fluoratum; RefChem:57999; GR200-A; DTXCID701324159
| GHS 通报统计 | 0.2% (1 / 415) |
|---|
| GHS 通报统计 | 0.2% (1 / 415) |
|---|---|
| 已通报的危害声明 | H301 (57.3%), H302 (42.4%), H315 (55.4%), H319 (99%), H335 (54.2%) |
二氟化氢锂 · CAS 12159-92-1 · FLi. UNII 1485XST65B. Boiling Point: 1673 °C; Boiling Point: 1676 °C @760 [mm Hg]; Melting Point: 848.2 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 二氟化氢锂