Erbium(III) acetate

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Erbium(III) acetate
Names
Other names
Erbium acetate
Erbium triacetate
Identifiers
3D model (
JSmol
)
ChemSpider
ECHA InfoCard
 100.042.774 Edit this at Wikidata
EC Number
  • 247-067-4
  • InChI=1S/3C2H4O2.Er/c3*1-2(3)4;/h3*1H3,(H,3,4);/q;;;+3/p-3
    Key: DBUHPIKTDUMWTR-UHFFFAOYSA-K
SMILES
  • CC(=O)[O-].CC(=O)[O-].CC(=O)[O-].[Er+3]
Properties
Er(CH3COO)3
Appearance light pink solid
soluble
Hazards
GHS labelling:[1]
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501
Related compounds
Other cations
Holmium(III) acetate
Thulium(III) acetate
Related compounds
Erbium oxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Erbium(III) acetate is the acetate salt of erbium, with the proposed chemical formula of Er(CH3COO)3. It can be used to synthesize some optical materials.[2]

Physical properties

The tetrahydrate of erbium(III) acetate is thermally decomposed at 90 °C, giving a proposed anhydride:

Er(CH3COO)3·4H2O → Er(CH3COO)3 + 4 H2O

Continued heating to 310 °C will form ketene:

Er(CH3COO)3 → Er(OH)(CH3COO)2 + CH2=C=O

At 350 °C, the proposed Er(OH)(CH3COO)2 loses

Er2O3 at 590 °C.[3]

References

  1. ^ "Erbium(3+) acetate". pubchem.ncbi.nlm.nih.gov. Retrieved 22 July 2022.
  2. doi:10.1016/j.matlet.2007.10.014
  3. ISSN 0032-5910
    . Retrieved 2019-02-01.
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