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Encyclopedia > Ferrous oxide

Iron(II) oxide, also called ferrous oxide, is a black-colored powder with the chemical formula FeO. It consists of the element iron in the oxidation state of 2 bonded to oxygen.

  • Molecular weight: 71.85
  • Melting Point: 1370C
  • CAS number: 1345-25-1

Iron oxide powder combined with aluminium powder forms a mixture called thermite. When ignited, thermite produces aluminium oxide and molten iron in a highly exothermic reaction. Thermite reactions are extremely hazardous unless appropriate precautions are taken.

Iron(II) oxide should not be confused with rust, which usually consists of iron(III) oxide.

  Results from FactBites:
T-11 Flared Cups (296 words)
4/3 x 2 x 5/8-11 T-11 flared cup - A16-O4B aluminum oxide for ferrous metal grinding - 9,070 RPM
A16-O4B is a general purpose aluminum oxide specification for grinding ferrous metals.
A16-Q4B is a longer life aluminum oxide specification for grinding ferrous metals with high power tools.
  More results at FactBites »



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