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ChemicalBook >> CAS DataBase List >>Iron hydroxide oxide

Iron hydroxide oxide

CAS No.
20344-49-4
Chemical Name:
Iron hydroxide oxide
Synonyms
FERRIC HYDROXIDE;Ferric oxyhydroxide;IRON (III) HYDROXIDE;Ferric oxide hydroxide;Hodgsons Bayferrox Yellow 910;Iron(III) hydroxide, alpha-phase;asdasdas;Gamma-phase;Ferrous acid;a-Iron hydroxide
CBNumber:
CB4243069
Molecular Formula:
FeHO2
Molecular Weight:
88.85
MDL Number:
MFCD00016080
MOL File:
20344-49-4.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 03:21:03
Product description Number Pack Size Price
Iron(III) oxide hydrated, catalyst grade, 30-50 mesh 371254 50g $134
Iron(III) oxide hydrated, catalyst grade, 30-50 mesh 371254 250g $455
Iron(III) oxyhydroxide in water at pH = 3.0 +- 0.5 (FEO-W320) 26-2758 25g $206
Iron(III) oxyhydroxide in water at pH = 3.0 +- 0.5 (FEO-W320) 26-2758 100g $613
Iron(III) oxyhydroxide in water at pH = 3.0 +- 0.5 (FEO-W320) 26-2758 25g $135
More product size

Iron hydroxide oxide 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.
Cosmetics Ingredients Functions COLORANT
LIGHT STABILIZER
InChI InChI=1S/Fe.H2O.O/h;1H2;/q+1;;/p-1
InChIKey AEIXRCIKZIZYPM-UHFFFAOYSA-M
SMILES [Fe](=O)O
CAS DataBase Reference 20344-49-4(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 87PZU03K0K
ATC code B03AB04
NIST Chemistry Reference iron(III) oxide hydroxide(20344-49-4)
EPA Substance Registry System Iron hydroxide oxide (Fe(OH)O) (20344-49-4)
UNSPSC Code 12352303
NACRES NA.23

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Hazard statements  H302-H315-H335
Precautionary statements  P261-P280g-P301+P312a-P304+P340-P405-P501a
PPE Eyeshields, Gloves, type N95 (US)
WGK Germany  -
TSCA  TSCA listed
Storage Class 11 - Combustible Solids
NFPA 704
0
0 0

Iron hydroxide oxide price More Price(34)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 371254 Iron(III) oxide hydrated, catalyst grade, 30-50 mesh 20344-49-4 50g $134 2026-04-30 Buy
Sigma-Aldrich 371254 Iron(III) oxide hydrated, catalyst grade, 30-50 mesh 20344-49-4 250g $455 2026-04-30 Buy
Strem Chemicals 26-2758 Iron(III) oxyhydroxide in water at pH = 3.0 +- 0.5 (FEO-W320) 20344-49-4 25g $206 2026-04-30 Buy
Strem Chemicals 26-2758 Iron(III) oxyhydroxide in water at pH = 3.0 +- 0.5 (FEO-W320) 20344-49-4 100g $613 2026-04-30 Buy
Strem Chemicals 26-2758 Iron(III) oxyhydroxide in water at pH = 3.0 +- 0.5 (FEO-W320) 20344-49-4 25g $135 2024-03-01 Buy
Product number Packaging Price Buy
371254 50g $134 Buy
371254 250g $455 Buy
26-2758 25g $206 Buy
26-2758 100g $613 Buy
26-2758 25g $135 Buy

Iron hydroxide oxide Chemical Properties,Uses,Production

Chemical Properties

reddish-brown crystalline solid

Uses

In purifying water; as absorbent in chemical processing; as pigment; as catalyst.

Uses

Iron(III) hydroxide, γ-phase is used in purifying water and as an absorbent in chemical processes. It is involved in the preparation of iron oxide-hydroxides nanoparticles, which is used as a very good adsorbent for lead removal from aquatic media. It is also used as a pigment, as a catalyst and in aquarium water treatment as a phosphate binder. Further, it is employed in the paints-lacquers-varnishes industry.

Preparation

A cold solution of 810 g of Fe(NO3)39H2O in two liters of water is poured slowly, with vigorous stirring, into an ammonia solution prepared by dissolving 120 g of gaseous NH3 in two liters of water (cooling necessary). The hydroxide which precipitates is amorphous to x-ray analysis. It is washed by stirring at least five times with eight-liter portions of cold water, each portion being decanted as completely as possible. The residual slurry is then stirred with sufficient cone. KOH solution to give a mixture approximately 2N and allowed to stand for 3-4 hours. Finally 100℃ steam is bubbled through for two hours. The precipitate is thereby transformed completely into bright-yellow α-FeO(OH), which shows a crystalline x-ray diffraction pattern. Preparation of Iron hydroxide oxide

General Description

contains varying amounts of MgO2, SiO2, CaO, Al2O3

Iron hydroxide oxide Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 169)Suppliers
Supplier Tel Email Country ProdList Advantage
Shaanxi Didu New Materials Co. Ltd 		+86-86-17392712697 +8617792793228 1069@dideu.com China 8609 58
Hebei Zhuanglai Chemical Trading Co Ltd 		+86-16264648883 niki@zlchemi.com China 7245 58
Henan Tianfu Chemical Co.,Ltd. 		+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21587 55
Xiamen AmoyChem Co., Ltd 		+86-86-5926051114 +8615060885618 sales@amoychem.com China 6366 58
BOC Sciences 		+1-631-485-4226 inquiry@bocsci.com United States 19936 58
career henan chemical co 		+86-0371-86658258 +8613203830695 factory@coreychem.com China 29792 58
SIMAGCHEM CORP 		+86-5922680277 +86-13806087780 sale@simagchem.com China 17346 58
Hubei Ipure Biology Co., Ltd 		+8613367258412 ada@ipurechemical.com China 10236 58
RongNa Biotechnology Co.,Ltd 		+86-86-13583358881 +8618560316533 Brad@rongnabiotech.com China 3364 58
AFINE CHEMICALS LIMITED 		+86-0571-85134551 sales@afinechem.com China 15083 58

View Lastest Price from Iron hydroxide oxide manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Iron hydroxide oxide pictures 2026-06-06 Iron hydroxide oxide
20344-49-4
 0.99 RongNa Biotechnology Co.,Ltd
Iron hydroxide oxide pictures 2026-05-15 Iron hydroxide oxide
20344-49-4
 $1.50 1g 99.0% Min 100 Tons Shaanxi Didu New Materials Co. Ltd
Iron hydroxide oxide pictures 2025-05-23 Iron hydroxide oxide
20344-49-4
 $38.00-79.00 1kg 99% 20ton Hebei Zhuanglai Chemical Trading Co Ltd
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 Gamma-phase Iron(III) hydroxide, Nanoparticle dispersion Iron(III) hydroxide, 20% in H IRON(III)OXYHYDROXIDEINWATERATPH=3.0+-0.5(FEO-W320) Iron(III) hydroxide, ^a-phase, 99+% Iron (III) Hydroxide, Crystalline Goethite 30-63% Fe Iron(III) oxide hydrated, catalyst grade, 30-50 Mesh Iron(Ⅲ) Hydroxide iron hydroxide oxide ironhydroxideoxide(fe(oh)o) 313 IRON OXIDE YELLOW 313 IRON OXIDE YELLOW HD718 ferric hydroxide oxide iron(iii) oxyhydroxide Eisen(III)-hydroxidoxid IRON(III)OXIDE, HYDRATED, 50-80 MESH IRON(III)OXIDE, HYDRATED, 30-50 MESH Iron(III) hydroxide, γ-phase Iron(III) hydroxide, ɑ-phase Hodgsons Bayferrox Yellow 930 Hodgsons Bayferrox Yellow 920 Hodgsons Bayferrox Yellow 415 Hodgsons Bayferrox Yellow 420 a-Iron hydroxide Iron OxyhydroxideNanowires A10 Iron OxyhydroxideNanowires A50 Iron Hydroxide Oxide Nanoparticles / Nanopowder asdasdas iron(3+):oxygen(2-):hydroxide Iron(III) hydroxide, alpha-phase IRON (III) HYDROXIDE Hodgsons Bayferrox Yellow 910 Hydrated iron oxide (III) Ferric oxyhydroxide FERRIC HYDROXIDE Ferric oxide hydroxide 20344-49-4 Fe2O3H2O αFe2O3H2O FeOHO Analytical Reagents Analytical Chromatography Product Catalog Metal and Ceramic Science Oxides Inorganics
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