Zirconium potassium fluoride
Potassium Zirconium Hexafluoride
CAS: 16923-95-8
Molecular Formula: F6K2Zr
Zirconium potassium fluoride - Names and Identifiers
Zirconium potassium fluoride - Physico-chemical Properties
| Molecular Formula | F6K2Zr |
| Molar Mass | 283.41 |
| Density | 3,5 g/cm3 |
| Melting Point | 840°C |
| Water Solubility | Slightly soluble in cold water, soluble in hot water |
| Appearance | powder |
| Exposure Limit | ACGIH: TWA 5 mg/m3; TWA 2.5 mg/m3; STEL 10 mg/m3NIOSH: IDLH 25 mg/m3; IDLH 250 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3 |
| Solubility Product Constant(Ksp) | pKsp: 3.3 |
| Merck | 14,7639 |
| Physical and Chemical Properties | Character: White needle-like crystal. melting point 840 ℃ relative density 3.48 solubility soluble in water, insoluble in ammonia. |
| Use | Used in the manufacture of metal zirconium and other zirconium compounds, also used in aluminum magnesium alloy, atomic energy industry, ceramic and glass production |
Zirconium potassium fluoride - Risk and Safety
| Risk Codes | R25 - Toxic if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3288 6.1/PG 3 |
| WGK Germany | 2 |
| RTECS | ZH7028400 |
| TSCA | Yes |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
Zirconium potassium fluoride - Upstream Downstream Industry
| Raw Materials | Hydrofluoric Acid Potassium chloride Hydrofluoric Acid Potassium hydroxide Zirconium Carbonate |
Zirconium potassium fluoride - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | is used to make metal zirconium and other zirconium compounds, and is also used in aluminum-magnesium alloy, atomic energy industry, ceramic and glass production. used in the production of metal zirconium and other zirconium compounds, also used in the production of aluminum magnesium alloy, ceramic and glass used in the production of metal zirconium and other zirconium compounds, also used in aluminum magnesium alloy, atomic energy industry, ceramic and glass production used as raw materials for the production of metal zirconium and other zirconium compounds and magnesium-aluminum alloys. For electrical materials, refractory materials, electrical vacuum technology materials, ceramic and glass production. used as catalyst and solder, also used in the manufacture of optical glass, metal zirconium used as raw material of zirconium, magnesium-aluminum alloy, Catalyst, steel and non-ferrous alloys, etc. |
| toxicity | If the product is spattered on human skin, it shows obvious irritation and erosion. The maximum allowable concentration is 1 mg/m3. Wear anti-virus masks, protective glasses, dust-proof work clothes and other Protection Measure, pay attention to protect the skin. Prevent the discharge of hydrogen fluoride and hydrogen chloride, local ventilation and full ventilation. Staff should regularly do chest, bone X-ray photography. People suffering from tooth, jaw and bone disease, contraindicated in contact with such compounds work. |
| production method | after dissolving zirconium dioxide by potassium carbonate hydrofluoric acid, reacting with potassium carbonate, evaporating, cooling, crystallizing and drying, the finished product was obtained. ZrO2 6HF → 2HF? ZrF4 2H2O2HF? ZrF4 K2CO3→K2ZrF6 C02↑ H2O |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-mouse LD50: 98 mg/kg |
| flammability hazard characteristics | non-combustible; Toxic fume containing zirconium and fluoride generated from fire scene; |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Separate storage and transportation from food and acids |
| fire extinguishing agent | large amount of water |
| Occupational Standard | TWA 2.5 mg (fluorine)/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:41:03
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Raw Materials for Zirconium potassium fluoride