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| CAS No.: | 7789-24-4 |
|---|---|
| Name: | Lithium fluoride |
| Article Data: | 140 |
| Molecular Structure: | |
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|
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| Formula: | LiF |
| Molecular Weight: | 25.9394 |
| Synonyms: | Lithium fluorure (FRENCH);Lithium fluoride (Li3F3);MTS-N;TLD 700;Lithium fluorure [French];Lithium fluoride (LiF);Fluorolithium;Carbonic acid,compounds,dilithium salt;TLD 100;Trilithium trifluoride;Lithium fluorure [French];PTL 710;Lithium fluorure;NTL 50;Lithium monofluoride;Lithium Fluoride, technical grade;Lithium Fluoride(Industrial grade);Lithium fluoride,industrial grade; |
| EINECS: | 232-152-0 |
| Density: | 2.64 g/mL at 25 °C(lit.) |
| Melting Point: | 845 °C |
| Boiling Point: | 1681 °C |
| Flash Point: | 1680°C |
| Solubility: | 0.29 g/100 mL (20 °C) in water |
| Appearance: | White powder |
| Hazard Symbols: |
 T
|
| Risk Codes: | 25-32-36/37/38-23/24/25 |
| Safety: | 22-26-36/37/39-45 |
| Transport Information: | UN 3288 6.1/PG 3 |
| PSA: | 0.00000 |
| LogP: | -2.99600 |
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Consensus Reports
Standards and Recommendations
ACGIH TLV: TWA 2.5 mg(F)/m3; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift.
NIOSH REL: (Inorganic Fluorides) TWA 2.5 mg(F)/m3
Specification
The Lithium fluoride, with the cas registry number 7789-24-4, is a kind of white powder. This chemical is slightly soluble in water while insoluble in alcohol and other organic solvent, and it is easily soluble in nitric acid and sulfuric acid while insoluble in hydrochloric acid. For being among the hygroscopic chemical, it is stable chemically but incompatible with aqueous solutions, strong acids, strong oxidizing agents.
Its product categories are various, including Inorganics; LITHIUM COMPOUNDS; Electrode MaterialsSynthetic Reagents; Inorganic Salts; Organic Electronics and Photonics; Substrates and Electrode Materials; Catalysis and Inorganic Chemistry; Chemical Synthesis; Crystal Grade Inorganics; LithiumMetal and Ceramic Science; Lithium Salts; Metal and Ceramic Science; Salts.
The physical properties of this chemical are below: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)Exact Mass: 26.014407; (4)MonoIsotopic Mass: 26.014407; (5)Heavy Atom Count: 2; (6)Complexity: 2; (7)Covalently-Bonded Unit Count: 2.
The production method of this chemical is below: The neutralizational process is often used in industry. This is prepared by the reaction of lithium carbonate or lithium hydroxide and hydrofluoric acid, with the chemical equation Li2CO3+2HF=2LiF+CO2+H2O.
As to its usage, it is widely applied in many fields. It could be used as the cosolvent which is widely used in the soldering progress for glass lining, copper and aluminium, and also in salt melting chemical technology; It could also be used as the additives of aluminium electrolysis and rare earth electrolysis; Then it is usually used as the desiccating agent and then in producing the optical glass; In addition, this chemical is even recommended to be as the heating medium of keeping solar radiation thermal energy.
When you are using this chemical, you should be very cautious. For being among the toxic chemicals, it may at low levels cause damage to health. This is irritating to eyes, respiratory system and skin and if by inhalation, in contact with skin and if swallowed, it will be dangerous. Then if contacting with acids, it will liberate very toxic gas. Therefore, you could take the different measures to deal with different cases. Wear suitable protective clothing, gloves and eye/face protection. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice and if in case of accident or if you feel unwell seek medical advice immediately (show the label where possible). Then remember not to breathe dust.
Additionally, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: [Li+].[F-]
(2)InChI: InChI=1S/FH.Li/h1H;/q;+1/p-1
(3)InChIKey: PQXKHYXIUOZZFA-UHFFFAOYSA-M
Below are the toxicity information of this chemical:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| frog | LDLo | subcutaneous | 280mg/kg (280mg/kg) | Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. Vol. 124, Pg. 133, 1937. | |
| guinea pig | LDLo | oral | 200mg/kg (200mg/kg) | "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989Vol. 11, Pg. 871, 1989. | |
| rat | LD50 | oral | 143mg/kg (143mg/kg) | Farmakologiya i Toksikologiya Vol. 40, Pg. 329, 1977. |