Lithium fluoride
- CAS No.
- 7789-24-4
- Chemical Name:
- Lithium fluoride
- Synonyms
- Lithium fluoride (LiF);LITHIUM FLUOIRDE;Lithium Flouride;lithium fluoride, puratronic;ntl50;NTL 50;tld100;tld700;TLD 100;TLD 700
- CBNumber:
- CB5854343
- Molecular Formula:
- FLi
- Molecular Weight:
- 25.94
- MOL File:
- 7789-24-4.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/11/21 15:52:03
| Melting point | 845 °C (lit.) |
|---|---|
| Boiling point | 1681 °C |
| Density | 2.64 g/mL at 25 °C (lit.) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.3915 |
| Flash point | 1680°C |
| storage temp. | Store at +5°C to +30°C. |
| solubility | Soluble in 0.29 g/100 mL (20°C) and hydrogen fluoride. Insoluble in alcohol. |
| form | random crystals |
| color | White to off-white |
| Specific Gravity | 2.635 |
| PH | 6.0-8.5 (25℃, 0.01M in H2O) |
| Water Solubility | 0.29 g/100 mL (20 ºC) |
| Sensitive | Hygroscopic |
| λmax |
λ: 260 nm Amax: ≤0.01 λ: 280 nm Amax: ≤0.01 |
| Merck | 14,5531 |
| Solubility Product Constant (Ksp) | pKsp: 2.74 |
| Exposure limits |
ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 |
| Stability | Stable, but hygroscopic. Hydrolyzes in the presence of water to form hydrofluoric acid, which attacks glass - do not store in glass bottles. Incompatible with aqueous solutions, strong acids, strong oxidizing agents. |
| InChIKey | PQXKHYXIUOZZFA-UHFFFAOYSA-M |
| LogP | 0.23 at 25℃ |
| CAS DataBase Reference | 7789-24-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Lithium fluoride(7789-24-4) |
| EPA Substance Registry System | Lithium fluoride (7789-24-4) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS06 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H301-H315-H319-H335 | |||||||||
| Precautionary statements | P301+P310+P330-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | T | |||||||||
| Risk Statements | 25-32-36/37/38-23/24/25 | |||||||||
| Safety Statements | 22-26-36/37/39-45 | |||||||||
| RIDADR | UN 3288 6.1/PG 3 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | OJ6125000 | |||||||||
| F | 10-21 | |||||||||
| Hazard Note | Toxic | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 6.1 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 28261900 | |||||||||
| Toxicity | LD in guinea pigs (mg/kg): 200 orally, 2000 s.c. (Waldbott) | |||||||||
| NFPA 704 |
|
Lithium fluoride price More Price(34)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 669431 | Lithium fluoride Precipitated, 99.995% | 7789-24-4 | 50G | ₹11593.58 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 62497 | Lithium fluoride BioUltra, ≥99.0% (F) | 7789-24-4 | 500G | ₹37086.45 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 449903 | Lithium fluoride ≥99.99% trace metals basis | 7789-24-4 | 2G | ₹8356.9 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 449903 | Lithium fluoride ≥99.99% trace metals basis | 7789-24-4 | 10G | ₹14278.18 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 237965 | Lithium fluoride powder, -300?mesh | 7789-24-4 | 100G | ₹2240.78 | 2022-06-14 | Buy |
Lithium fluoride Chemical Properties,Uses,Production
Description
lithium fluoride is a strong irritant to the eyes and skin; potassium bromide is toxic by ingestion and inhalation; sodium chloride is table salt, a medical concern when ingested in excess, but certainly of no significant hazard to emergency responders.
Chemical Properties
Lithium fluoride is a white crystalline solid. It is not hygroscopic as are the other lithium halides and is not affected by exposure to the air. Lithium fluoride is the least soluble of the alkali metal fluorides. This characteristic likens it to the alkaline earth fluorides. Lithium fluoride is different from the other lithium halides in that it does not form hydrates which can be isolated from solution. Lithium fluoride does show an increase in solubility as hydrofluoric acid is added to an aqueous solution. Under these conditions the fluoride ion is converted to the bifluoride ion, HF-2, allowing further dissolving of the solid lithium fluoride.
Physical properties
White cubic crystals; refractive index 1.3915; density 2.635 g/cm3; melts at 845°C; vaporizes at 1,676°C; very slightly soluble in water 0.27 g/100g at 18°C; soluble in hydrofluoric acid; insoluble in alcohol.
Uses
The important uses of lithium fluoride are as flux in glasses, vitreous enamels and glazes; in soldering and welding aluminum; and its prisms in infrared spectrophotometers. The compound also is used for storing solar energy.
Preparation
Lithium fluoride is prepared by treating an aqueous solution of lithium hydroxide or lithium carbonate with aqueous hydrofluoric acid: LiOH + HF → LiF + H2O.
Safety Profile
Poison by ingestion and subcutaneous routes. When heated to decomposition it emits toxic fumes of F-. Used as a flux in enamels, glasses, glazes, and weldmg. See also FLUORIDES and LITHIUM COMPOUNDS.
Purification Methods
Possible impurities are LiCO3, H2O and HF. These can be removed by calcining it at red heat, then pulverizing it with a Pt pestle and storing it in a paraffin bottle. Its solubility in H2O is 0.27% at 18o. It volatilises between 1100-1200o. [Kwasnik in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 235 1963].
Structure and conformation
The space lattice of LiF belongs to the cubic system, and its rock salt structure has a lattice constant of a=0.40173 nm and Li-F=0.201 nm. The cleavage plane is (100).
Lithium fluoride Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| GLR Innovations | +91 9891111994 | New Delhi, India | 4542 | 58 | Inquiry |
| Rivashaa Agrotech Biopharma Pvt. Ltd. | +91-26463395 +91-7926462688 | Gujarat, India | 1615 | 58 | Inquiry |
| FMC India Private Limited | Karnataka, India | 16 | 58 | Inquiry | |
| Parad Corporation Pvt Ltd | +91-7433900100 +91-9426510550 | Gujarat, India | 37 | 58 | Inquiry |
| JSK Chemicals | +919879767970 | Gujarat, India | 3756 | 58 | Inquiry |
| yogi intermediates pvt ltd | +91-8488895599 +91-7622006825 | Gujarat, India | 65 | 58 | Inquiry |
| A.J Chemicals | 91-9810153283 | New Delhi, India | 6124 | 58 | Inquiry |
| CHEMSWORTH | +91-261-2397244 | New Delhi, India | 6707 | 30 | Inquiry |
| S.K. CHEMICAL INDUSTRIES | +91-22-66370299 Ext 21 / 91-22-23437380 Ext 25 | New Delhi, India | 262 | 30 | Inquiry |
| Scientific OEM | +91-22- 2343 7546 / 2341 3094 | New Delhi, India | 1996 | 38 | Inquiry |
| Supplier | Advantage |
|---|---|
| GLR Innovations | 58 |
| Rivashaa Agrotech Biopharma Pvt. Ltd. | 58 |
| FMC India Private Limited | 58 |
| Parad Corporation Pvt Ltd | 58 |
| JSK Chemicals | 58 |
| yogi intermediates pvt ltd | 58 |
| A.J Chemicals | 58 |
| CHEMSWORTH | 30 |
| S.K. CHEMICAL INDUSTRIES | 30 |
| Scientific OEM | 38 |
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