• Name

  YELLOW IRON OXIDE

• EINECS 215-166-1
• CAS No. 1309-33-7
• Article Data1
• CAS DataBase
• Density 3.120
• Solubility insoluble H2O, alcohol, ether; soluble acids [HAW93]
• Melting Point
• Formula FeH₃O₃
• Boiling Point 100 °C at 760 mmHg
• Molecular Weight 103.845
• Flash Point
• Transport Information
• Appearance COA
• Safety
• Risk Codes
• Molecular Structure
• Hazard Symbols
• Synonyms Ferrichydroxide;Ferric hydroxide gel;Ferric trihydroxide;Hydrated ironsesquioxide;Hydrous iron (III) oxide;Iron trihydroxide;Iron(3+) hydroxide;Iron(3+) trihydroxide;Iron(III) hydroxide;Yellow iron oxide;
• PSA 69.18000
• LogP -0.53290

Synthetic route

iron(III) oxide

80937-33-3

oxygen

1309-33-7

iron trioxide

Conditions

Conditions	Yield
In neat (no solvent) Irradiation (UV/VIS); Fe2O3 laser evapd., reacted with O2/Ar mixt., condensed at 6 K onto CsI window, annealed at 25 K, UV-irradiated (mechanism discussed); not isolated, detcd. by IR;

80937-33-3

oxygen

7439-89-6

iron

1309-33-7

iron trioxide

Conditions

Conditions	Yield
In neat (no solvent) Irradiation (UV/VIS); Fe laser evapd., reacted with O2/Ar mixt., condensed at 6 K onto CsI window, annealed at 25 K, UV-irradiated (mechanism discussed); not isolated, detcd. by IR;

Ferric hydroxide Chemical Properties

Ferric hydroxide Uses

Ferric hydroxide Specification