3D model (JSmol)
CompTox Dashboard (EPA)
FeC2O4 o 2H2O (dihydrate)
|Molar mass||143.86 g/mol (anhydrous)|
179.89 g/mol (dihydrate)
|Melting point|| 190 °C (374 °F; 463 K) |
150-160 °C (302-320 °F; 423-433 K)
|Boiling point|| 365.1 °C (689.2 °F; 638.2 K) |
0.097 g/100ml (25 °C)
|GHS Signal word||Warning|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is ?)(|
Anhydrous iron(II) oxalate is as yet (2020) unknown among minerals. However, the dihydrate is known, as humboldtine. A related, though much more complex mineral is stepanovite, Na[Mg(H2O)6][Fe(C2O4)3]·3H2O - an example of trioxalatoferrate(II).
A number of other iron oxalates are known