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
CAS Number	10277-44-8 ; 13510-41-3 (octahydrate);
3D model (JSmol)	Interactive image;
ChemSpider	145346 ;
ECHA InfoCard	100.030.553
EC Number	233-622-8;
PubChem CID	165851; ; 25022097 (octahydrate);
CompTox Dashboard (EPA)	DTXSID70890652 ;
	InChI InChI=1S/3H2O4S.2Pr/c31-5(2,3)4;;/h3(H2,1,2,3,4);;/q;;;2+3/p-6 Key: HWZAHTVZMSRSJE-UHFFFAOYSA-H; InChI=1S/3H2O4S.8H2O.2Pr/c31-5(2,3)4;;;;;;;;;;/h3(H2,1,2,3, 4);81H2;;/q;;;;;;;;;;;2*+3/p-6 (octahydrate) Key: IJXLQIGVGZNKP-UHFFFAOYSA-H (octahyrate);
	SMILES [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
Chemical formula	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
Melting point	1,010 °C (1,850 °F; 1,280 K) (decomposes)
Solubility in water	113.0 g/L (20 °C); 108.8 g/L (25 °C)
Magnetic susceptibility (χ)	+9660·10−6 cm3/mol
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	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). verify (what is ?) Infobox references

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.