Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 231-843-4 | CAS number: 7758-94-3
Melting point / freezing point
Administrative data
Link to relevant study record(s)
Description of key information
FeCl2: Anhydrous ca. 674 to 677 ºC
Key value for chemical safety assessment
Additional information
“Sublimation”
It should be noted that all the soluble iron salt category members decompose at elevated temperatures to give toxic gases. This is sometimes noticed as “sublimation”.
Ferrous chloride, FeCl2
The melting point of the anhydrous salt is high, based on evidence from a reliable published handbook.
Table: Melting points under standard pressure (ISO 5011, i.e. 101.3 kPa)
| Category member, Molecular Formula | Anhydrous form | Solid hydrate form | Aqueous solution |
| Ferrous chloride, FeCl2 | 674 -677 °C |
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
