Ferrous chloride

Jump to navigation Jump to search


Greenish-white, deliquescent crystals. Ferrous chloride occurs naturally as the mineral lawrencite. The hygroscopic crystals are used as a mordant in dyeing, as a reducing agent, and in metallurgy.

Synonyms and Related Terms

iron chloride; iron dichloride; ferrous (II) chloride tetrahydrate


  • Hazardous by ingestion and inhalation.
  • Contact may cause burns.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in water, acetone, ethanol. Slightly soluble in benzene. Insoluble in ether.

Composition FeCl2
CAS 7758-95-3
Melting Point 670-674 C
Density 3.16 g/ml
Molecular Weight mol. wt. = 126.75
Boiling Point 1023 C

Resources and Citations

  • Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4091

Retrieved from "https://cameo.mfa.org/index.php?title=Ferrous_chloride&oldid=90986"