Iron Hydroxide Oxide CAS #20344-49-4
Iron oxides, including iron hydroxides and hydrated oxides, are natural minerals and geocatalysts that are abundant in the earth??s crust. Because the chemical properties of iron are very reactive, there are many secondary iron minerals, such as maghemite (??-Fe2O3), hematite (??-Fe2O3), lepidocrocite (??-FeOOH), goethite ( ??-FeOOH), hydrated iron (III) oxide (Fe5HO8??4H2O) and magnetite (Fe3O4) exist in large amounts as suspended matter in the water system. Iron oxides play a very important role in various chemical and biological processes involving the transformation of organic compounds in aquatic ecosystems.
Hydrated iron (III) oxide refers to a natural nanoscale iron hydroxide mineral commonly found in the natural environment (soil, water sediments, etc.), and can also be easily synthesized in the laboratory. Hydrated iron(III) oxide is difficult to characterize due to its small size and low crystallinity.
Iron Hydroxide Oxide CAS #20344-49-4
| Iron hydroxide oxide Basic information |
| Product Name: | Iron hydroxide oxide |
| Synonyms: | Ferric oxide hydroxide;Ferrous acid;Iron monohydroxide monooxide;Iron(III) hydroxide, ^y-phase;Iron(III) hydroxide, ^a-phase;Iron(III) hydroxide, gamma-phase;Iron(III)oxide,Ferric hydroxide oxide;Goethite,Ferric hydroxide oxide, Iron(III)oxide |
| CAS: | 20344-49-4 |
| MF: | FeHO2 |
| MW: | 88.85 |
| EINECS: | 243-746-4 |
| Product Categories: | Metal and Ceramic Science;Oxides;Inorganics |
| Mol File: | 20344-49-4.mol |
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| Iron hydroxide oxide Chemical Properties |
| Melting point | 135??C |
| density | 3.4-3.9 |
| RTECS | NO7400000 |
| solubility | DMSO (Sparingly), Methanol (Slightly), Water (Soluble) |
| form | crystalline |
| color | Red-brown |
| Water Solubility | Soluble in mineral acids. Insoluble in water and ethanol. |
| Merck | 14,4025 |
| Exposure limits | ACGIH: TWA 1 mg/m3 NIOSH: TWA 1 mg/m3 |
| Stability: | Stable. |
| CAS DataBase Reference | 20344-49-4(CAS DataBase Reference) |
| NIST Chemistry Reference | iron(III) oxide hydroxide(20344-49-4) |
| EPA Substance Registry System | Iron hydroxide oxide (Fe(OH)O) (20344-49-4) |
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