Praseodymium(III) sulfate

Praseodymium(III) sulfate

Praseodymium sulfate octahydrate
Names
IUPAC name
praseodymium(3+); trisulfate
Other names
Praseodymium sulphate, dipraseodymium trisulphate, praseodymium(III) sulfate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.553 Edit this at Wikidata
EC Number
  • 233-622-8
  • InChI=1S/3H2O4S.2Pr/c3*1-5(2,3)4;;/h3*(H2,1,2,3,4);;/q;;;2*+3/p-6
    Key: HWZAHTVZMSRSJE-UHFFFAOYSA-H
  • InChI=1S/3H2O4S.8H2O.2Pr/c3*1-5(2,3)4;;;;;;;;;;/h3*(H2,1,2,3, 4);8*1H2;;/q;;;;;;;;;;;2*+3/p-6 (octahydrate)
    Key: IJXLQIGVGZNKP-UHFFFAOYSA-H (octahyrate)
  • [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Pr+3].[Pr+3]

  • O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-]. [Pr+3].[Pr+3] (octahyrate)
Properties
Pr2(SO4)3
Pr2(SO4)3·nH2O, n=2,5,8
Molar mass 570.0031 g/mol
714.12534 g/mol (octahydrate)
Appearance green crystalline solid
Density 3.72 g/cm3[1]
Melting point 1,010 °C (1,850 °F; 1,280 K) (decomposes)[1]
113.0 g/L (20 °C)
108.8 g/L (25 °C)
+9660·10−6 cm3/mol
Hazards
GHS labelling:[2]
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Flash point Non-flammable
Related compounds
Other anions
 Praseodymium carbonate
Praseodymium chloride
Other cations
 Neodymium sulfate
Related compounds
 Praseodymium(III) oxide
Praseodymium(III) sulfide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Praseodymium(III) sulfate is a praseodymium compound with formula Pr2(SO4)3. It is an odourless whitish-green crystalline salt. The anhydrous substance readily absorbs water forming pentahydrate and octahydrate.[1]

  1. ^ a b c Cite error: The named reference b1 was invoked but never defined (see the help page).
  2. ^ "Dipraseodymium trisulphate". pubchem.ncbi.nlm.nih.gov. Retrieved 27 December 2021.