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| CAS No.: | 7789-23-3 |
|---|---|
| Name: | Potassium fluoride |
| Molecular Structure: | |
|
|
|
| Formula: | KF |
| Molecular Weight: | 58.0967 |
| Synonyms: | Potassium fluoride |
| EINECS: | 232-151-5 |
| Density: | 2.48 g/cm3 |
| Melting Point: | 858 °C(lit.) |
| Boiling Point: | 1505 °C |
| Flash Point: | 1505°C |
| Solubility: | water: 1 M at 20 °C, clear, colorless |
| Appearance: | white powder or crystals with a sharp saline taste |
| Hazard Symbols: |
 T
|
| Risk Codes: | 23/24/25 |
| Safety: | 45-26 |
| Transport Information: | UN 1812 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: TWA (Inorganic Fluorides) 2.5 mg(F)/m3
DOT Classification: 6.1; Label: KEEP AWAY FROM FOOD
Specification
Potassium fluoride is the chemical compound with the formula KF. The Potassium fluoride, with its CAS registry number 7789-23-3, is a kind of white powder or crystals with a sharp saline taste. This chemical is hygroscopic and stable but incompatible with strong acids, strong bases. Besides, it is easily soluble in water, hydrofluoric acid and liquid ammonia and slightly soluble in alcohol and acetone. As to its usage, it is widely applied in many ways. It could be used for etching a variety of glass and welding flux. It is also used as a wood preservative, pesticide and agricultural pesticide intermediate as well as a pharmaceutical industrial raw material and organic fluorinated material.
The characteristics of Potassium fluoride are: (1)H-Bond Acceptor: 1; (2)Exact Mass: 57.96211; (3)MonoIsotopic Mass: 57.96211; (4)Heavy Atom Count: 2; (5)Complexity: 2; (6)Covalently-Bonded Unit Count: 2; (7)Density: 2.48; (8)Melting point: 860 ºC; (9)Boiling point: 1505 ºC; (10)Water solubility: 92.3 g/100 mL (18 ºC).
When you are dealing with this chemical, you should be cautious. For being a kind of toxic chemical, it may at low levels cause damage to health and it is harmful if by inhalation, in contact with skin and if swallowed. Therefore, 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).
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: [F-].[K+]
(2)InChI: InChI=1S/FH.K/h1H;/q;+1/p-1
(3)InChIKey: NROKBHXJSPEDAR-UHFFFAOYSA-M
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| frog | LDLo | subcutaneous | 420mg/kg (420mg/kg) | Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. Vol. 124, Pg. 133, 1937. | |
| guinea pig | LDLo | oral | 250mg/kg (250mg/kg) | "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989Vol. 11, Pg. 1214, 1989. | |
| mouse | LD50 | intraperitoneal | 40030ug/kg (40.03mg/kg) | Deutsche Zahnaerztliche Zeitschrift. Vol. 34, Pg. 484, 1979. | |
| rat | LD50 | intraperitoneal | 64mg/kg (64mg/kg) | U.S. Atomic Energy Commission, University of Rochester, Research and Development Reports. Vol. UR-154, Pg. 1951, | |
| rat | LD50 | oral | 245mg/kg (245mg/kg) | U.S. Atomic Energy Commission, University of Rochester, Research and Development Reports. Vol. UR-154, Pg. 1951, |