Neodymium(III) sulfate

Neodymium(III) sulfate is a salt of the rare earth metal neodymium when mixed with sulfuric acid. Its octahydrate forms violet-red crystals. It is moderately soluble in water and has a monoclinic crystal structure. It can be used to treat water but because of its rarity, it is not used that way.

Neodymium(III) sulfate[1]

Neodymium sulfate crystals
Names
IUPAC name Neodymium(III) trisulfate
Other names Neodyous sulfate
Identifiers
CAS Number	13477-91-3
3D model (JSmol)	Interactive image
ChemSpider	21241399
ECHA InfoCard	100.030.225
EC Number	233-262-1
PubChem CID	165814
UNII	4Q1946CN7K
CompTox Dashboard (EPA)	DTXSID00890625
InChI InChI=1S/2Nd.3H2O4S/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6 Key: OJSWEKSDNUORPG-UHFFFAOYSA-H
SMILES [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Nd+3].[Nd+3]
Properties
Chemical formula	Nd2(SO4)3
Molar mass	576.7 g/mol
Appearance	Pink crystals
Density	2.85 g/cm3
Melting point	1,176 °C (2,149 °F; 1,449 K)
Solubility in water	8 g/100 ml (20 °C)
Solubility	Soluble in mineral acids
Structure
Crystal structure	Monoclinic
Explosive data
Shock sensitivity	Not explosive
Friction sensitivity	Not explosive
Hazards
Main hazards	Irritant
GHS pictograms
GHS hazard statements	H315, H319, H335
GHS precautionary statements	P261, P280, P304, P340, P305+351+338, P405, P501
NFPA 704 (fire diamond)	0 1 1
Flash point	Not flammable
Autoignition temperature	Not flammable
Related compounds
Other anions	Neodymium nitrate
Other cations	Praseodymium(III) sulfate
Related compounds	Neodymium sulfate octahydrate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references