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Keywords
Magnesium fluoride 7783-40-6 F2Mg
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- Application:7783-40-6
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Details:
| Magnesium fluoride Basic information |
| Product Name: | Magnesium fluoride |
| Synonyms: | afluon;irtran1;magnesiumfluoride(mgf2);magnesiumfluorure;sellaite;MAGNESIUM FLUORIDE;Magnesium flux;magnesium fluoride coating quality bal. 0.7-1.5 mm |
| CAS: | 7783-40-6 |
| MF: | F2Mg |
| MW: | 62.3 |
| EINECS: | 231-995-1 |
| Product Categories: | Inorganics;Magnesium;Crystal Grade Inorganics;Inorganic Salts;Magnesium Salts;MagnesiumMetal and Ceramic Science;Salts;Synthetic Reagents;metal halide;Chemical Synthesis;Inorganic Salts;Magnesium Salts;Materials Science;Metal and Ceramic Science;Synthetic Reagents |
| Mol File: | 7783-40-6.mol |
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| Magnesium fluoride Chemical Properties |
| Melting point | 1248 °C |
| Boiling point | 2260 °C |
| density | 3.15 g/mL at 25 °C(lit.) |
| refractive index | 1.365 |
| form | random crystals |
| color | White to off-white |
| Water Solubility | 87 mg/L (18 ºC) |
| Merck | 14,5665 |
| CAS DataBase Reference | 7783-40-6(CAS DataBase Reference) |
| EPA Substance Registry System | Magnesium fluoride (MgF2)(7783-40-6) |
| Safety Information |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-37/39 |
| WGK Germany | 3 |
| RTECS | OM3325000 |
| Hazard Note | Irritant |
| TSCA | Yes |
| HS Code | 28261900 |
| MSDS Information |
| Provider | Language |
|---|---|
| Magnesium fluoride | English |
| ACROS | English |
| SigmaAldrich | English |
| ALFA | English |
| Magnesium fluoride Usage And Synthesis |
| Description |
Magnesium fluoride is a by-product of the manufacture of metallic beryllium and uranium. It is a fine white crystalline powder with low chemical reactivity. Magnesium fluoride is used as flux in magnesium metallurgy and in the ceramics industry. Magnesium fluoride may be used for the extraction of aluminum from arc-furnace alloys with Fe, Si, Ti, and C. Optical windows of highly purified magnesium fluoride which transmit light from the vacuum ultraviolet (140 nm) into the infrared (7) are recommended for use as ultraviolet optical components for the use in space exploration. Magnesium fluoride is can be also used as an antireflection coating material having a good antireflection effect and a low refractive index. |
| Preparation |
Magnesium fluoride is prepared by treating a magnesium salt solution with hydrofluoric acid or sodium fluoride: MgSO4 + 2HF → MgF2 + 2H+ + SO42– or by adding hydrofluoric acid to magnesium carbonate: MgCO3 + 2HF → MgF2 + CO2 + H2O |
| References |
[1] John R. Papcun, Fluorine Compounds, Inorganic, Magnesium, Kirk- Othmer Encyclopedia of Chemical Technology, 2000 [2] H. Tanaka, M. Kobayashi, T. Sakakibara, Method of producing magnesium fluoride coating, antireflection coating, and optical element, Patent, 2013 |
| Chemical Properties | white to light beige powder |
| Uses |
Suitable for vacuum deposition. Magnesium fluoride occurs in nature as the mineral, sellaite. It is used in glass and ceramics. Single crystals are used for polarizing prisms and lenses. |
| Uses | In the ceramics and glass industry. |
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