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Boiling point

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Description of key information

Anhydrous form

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
1 023 °C

Additional information

Testing for this endpoint has been waived in accordance with column 2 restrictions.

Aqueous solutions

The boiling point of watery iron salt solutions can be approximated based on the molarity by:

delta T(boiling) = bs∙Ke,

where delta T(boiling) is the boiling point elevation [K], Ke is the ebullioscopic constant for water (= 0.521 K∙kg/mol) and bs is the combined molarity of the salts [mol/kg].

Table: Boiling points of the registered category member salt forms under standard pressure (ISO 5011, i.e. 101.3 kPa)

Category member, Molecular Formula  Anhydrous form Solid hydrate form Aqueous solution
Ferrous chloride, FeCl2 1023 °C