Iron(III) hydroxide, alpha-phase

Description

For Use in Purifying Water, As Absorbent in Chemical Processes, As a Pigment | CAS: 20344-49-4 | FeHO2 | 88.851 g/mol

Iron(III) hydroxide is used in purifying water and as an absorbent in chemical processes. It is also used as a pigment and as a catalyst. Further, it is used in some tattoo ink and in aquarium water treatment as a phosphate binder.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 20344-49-4
• Molecular Formula: FeHO2
• Molecular Weight (g/mol): 88.851
• MDL Number: MFCD00064782
• InChI Key: AEIXRCIKZIZYPM-UHFFFAOYSA-M
• Synonym: hydroxy oxo iron, goethite, lepidocrocite, iron hydroxide oxide, goethite fe oh o, iron hydroxide oxide fe oh o, iron iii oxide-hydroxide, ferric acid, iron pigment yellow, ferric hydroxide oxide
• PubChem CID: 91502
• IUPAC Name: hydroxy(oxo)iron
• SMILES: O[Fe]=O

• Color: Brown
• Physical Form: Powder
• Quantity: 5 g
• Solubility Information: Soluble in mineral acids. Insoluble in water and ethanol.
• Formula Weight: 88.85
• Appearance: Brown powder
• Density: 3.4 to 3.9 g/cm³
• Chemical Name or Material: Iron(III) hydroxide

Safety and Handling

EINECSNumber	243-746-4
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only