Europium (III) sulfate

Structural formula
${\displaystyle \mathrm {\ {\Biggl [}} }$ ${\displaystyle \mathrm {\ \!\ {\Biggr ]}_{2}} }$ ${\displaystyle \mathrm {\ {\Biggl [}} }$ ${\displaystyle \mathrm {\ \!\ {\Biggr ]}_{3}} }$
General
Surname	Europium (III) sulfate
other names	Europium sulfate
Molecular formula	Eu 2 (SO 4 ) 3 Eu 2 (SO 4 ) 3 · 8H 2 O
Brief description	pale pink crystals
External identifiers / databases
CAS number 13537-15-0 (anhydrous) 10031-55-7 (octahydrate) EC number 236-903-3 ECHA InfoCard 100.033.534 PubChem 9829996 Wikidata Q4445796
properties
Molar mass	592.12 g mol −1 (anhydrous) 736.24 g mol −1 (octahydrate)
Physical state	firmly
density	4.99 g cm −3 (anhydrous)
Melting point	375 ° C (dec.)
solubility	soluble in water, 21 g l −1 (20 ° C)
safety instructions
GHS hazard labeling no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Europium (III) sulfate (Eu ₂ (SO ₄ ) ₃ ) is a salt of the rare earth metal europium with sulfuric acid . As an octahydrate, it forms pale pink crystals that fluoresce intensely red when excited with short-wave UV radiation .

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  Europium (III) sulfate

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  Europium (III) sulfate (fluorescence)

Individual evidence

1. ↑ ^{a b c d} David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Properties of the Elements and Inorganic Compounds, pp. 4-64.
2. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.