Iron hydroxide oxide (Fe(OH)O)
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Iron hydroxide oxide (Fe(OH)O)
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CAS No:
20344-49-4
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Formula:
FeHO2
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Chemical Name:
Iron hydroxide oxide (Fe(OH)O)
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Synonyms:
Iron hydroxide oxide (Fe(OH)O);Iron hydroxide oxide (FeO(OH));Ferrous acid;Ferric(III) acid;Ferric oxyhydroxide (FeO2H);α-Iron hydroxide;Iron oxide hydroxide (FeO(OH));Iron oxyhydroxide (FeO(OH));α-Iron hydroxide oxide (FeOOH);Iron monoxide monohydroxide;Ferric hydroxide oxide;Ferric hydroxide oxide (FeOOH);Iron monohydroxide monooxide;Ferric oxide hydroxide;Tarox LL-XLO;E 331;E 331 (oxide);YLO 2288D;Iron(III) α-oxyhydroxide;Tarox HY 250;Tarox Synthetic Iron Oxide LL-XLO;TSY 1;Depox;LL 100P;Yellow LL 100P;Duploxide 510P;Y 48;YM 1100;FEI 16PB;Sicopur Yellow;Tarox LL 100P;Ferronan 2505;Transyellow AC 500;Colortherm Yellow C 10;GEH 101;Colortherm Yellow 10;Tarox Yellow LL 100P;Colortherm 10;CFH 12;CFH 18;Daipyroxide Yellow 8170;Tarox XLO;Iron(III) oxide hydroxide;α-FeOOH;FeOOH;Synthetic lepidocrocite;Ferrosorp DGp;Ferrosorp DGp+K;Ferrosorp DGμ;135507-54-9;332902-02-0;681125-92-8;741267-27-6;1383942-21-9;1613413-50-5;1677663-39-6;1792172-28-1;2097266-33-4;2409542-65-8;2489676-69-7;2639892-90-1
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CAS No:
Characteristics
37.3
-0.29810
DryPowder; WetSolid
3.4-3.9
135°C
Soluble in mineral acids. Insoluble in water and ethanol.
Store containers closed in ambient location.
Non-toxic
Iron hydroxide oxide (Fe(OH)O) Use and Manufacturing
Method 1: ferrous sulfate oxidation reaction of sulfuric acid and iron filings to produce ferrous sulfate, adding sodium hydroxide and oxidation into the air to prepare nuclei, and then in the nucleus suspension plus ferrous sulfate and iron, heating drum into the air Oxidation, filter press, rinse, dry, crushed to obtain iron oxide yellow. its Fe + H2SO4 → FeSO4 + H2 ↑ FeSO4 + 2NaOH → Fe (OH) 2 + Na2SO4 4Fe (OH) 2 + O2 → 4FeOOH + 2H2O H2SO4 + Fe + 7H2O → FeSO4 · 7H2O + H2 ↑ FeSO4 · 7H2O + O2 → 2Fe2O3 · H2O ↓ + 4H2SO4 + 2H2O Reaction conditions: 74 g iron filings were added to 1000 ml of 15% sulfuric acid until the iron scraps disappeared to produce ferrous sulphate at a concentration of about 200 g / L. To the ferrous sulfate solution prepared above, sufficient 30% sodium hydroxide was added, and 40% of the iron was converted into ferrous hydroxide [Fe (OH) 2] by stirring continuously. , Fe oxidation to Fe to form nuclei. Then, 90 g / L of iron scrap was added to produce 7 g / L of nuclei and 40 g / L of ferrous sulfate. The mixture was heated to 85 ° C and air-oxidized at 600 L / h for 64 h, then filtered and washed , Dry, crushed to obtain water-containing iron oxide yellow. Method 2: Aromatic nitro-oxide method can produce aromatic amino compounds at the same time. The reaction equation is as follows: Fe + H2O + R-NO2 → Fe2O3 · H2O + R-NH2 The reaction conditions were as follows: 560 parts of water, 36.5 parts of 32% hydrochloric acid, 160 parts of iron powder and 10 parts of aluminum powder were added to the reaction vessel. The reaction vessel was charged with 1660 parts of an aqueous solution containing 253 parts of 5-nitro-naphthalene sulfonic acid and 8-nitronaphthalene sulfonic acid at a pH of 6 and a temperature of 80 to 85C. The reaction temperature was 95 ~ 100 ℃ and the pH value was 6 ~ 6.5. Under these conditions, the reaction was carried out for 2 hours, 8 parts of 25% ammonia water was added, the reaction was further carried out for 4 hours, filtered, washed with 560 parts of water three times, The cake was mixed with 1000 parts of water, heated at 95-100 DEG C, 45 parts of 32% hydrochloric acid was added, stirred for 2 hours, filtered, washed with water until acid free, dried to obtain 160 parts of iron oxide yellow pigment, , Yield 96%.
In purifying water; as absorbent in chemical processing; as pigment; as catalyst.
Drug Function and Efficacy
Not yet clear
Registered Holders
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TAPI NL B.V.
Active
France
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Shanghai YIPIN Pigments Co., Ltd.
Active
China
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Ningbo YIPIN BIO-TECHNOLOGY Co., Ltd.
Active
China
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