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Yttrium(III) sulfate
Names
	Other names Yttrium sesquisulfate; Yttrium sulfate
Identifiers
CAS Number	13510-71-9 anhydrous ; 7446-33-5 octahydrate ;
3D model (JSmol)	Interactive image;
ChemSpider	145968;
ECHA InfoCard	100.033.480
EC Number	236-844-3;
PubChem CID	166836;
CompTox Dashboard (EPA)	DTXSID00890706 ;
	InChI InChI=1S/3H2O4S.2Y/c31-5(2,3)4;;/h3(H2,1,2,3,4);;/q;;;2*+3/p-6 Key: RTAYJOCWVUTQHB-UHFFFAOYSA-H;
	SMILES [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Y+3].[Y+3];
Properties
Chemical formula	Y2(SO4)3
Appearance	White solid
Solubility in water	Soluble
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
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Yttrium(III) sulfate is an inorganic compound with the formula Y₂(SO₄)₃. The most common form is the anhydrate and octahydrate.

Reactions

Yttrium sulfate can form double salts such as MY(SO₄)₂^[1]^[2]^[3] and M₃Y(SO₄)₃:^[4]^[5]^[6]

Y₂(SO₄)₃ + M₂SO₄ → 2 MY(SO₄)₂

(SO₄)₃ + 3 M₂SO₄ → 2 M₃Y(SO₄)₃ (M = alkali metals)

Synthesis

Yttrium(III) sulfate can be prepared using either corresponding oxide, hydroxide, or carbonate.^[7]^{[unreliable source?]}

2 Y(OH)₃ + 3 H₂SO₄ → Y₂(SO₄)₃ + 6 H₂O

References

^ Prokof'ev, M. V.; Pokrovskii, A. N.; Kovba, L. M. Double sulfates of rubidium and rare earth elements. Zhurnal Neorganicheskoi Khimii, 1979. 24(8): 2114-2121. ISSN 0044-457X
^ Baldanova, D. D.; Evdokimov, A. A.; Petrov, K. I.; Kondratov, O. I.; Fomichev, V. V. X-ray phase analysis and vibrational spectroscopic study of cesium lanthanide sulfate molybdates (in Russian). Deposited Doc.(Report) 1983, 1316-1384. CAN102:71568
^ Degtiarev, P.A.; Pokrovskii, A.N.; Kovba, L.M.; Korytnaia, F.M. (1977). "Investigation of double sulfates of potassium and rare earth elements with composition KRE(SO₄)₂". Journal of Solid State Chemistry. 22 (4): 419–422. Bibcode:1977JSSCh..22..419D. doi:10.1016/0022-4596(77)90019-6. ISSN 0022-4596.
^ Prokof'ev, M. V.; Pokrovskii, A. N.; Kovba, L. M. X-ray diffraction study of rubidium lanthanide sulfates (Rb₃Ln(SO₄)₃). Vestnik Moskovskogo Universiteta, Seriya 2: Khimiya, 1979. 20 (6): 571-574. ISSN 0579-9384
^ Samartsev, B. G.; Pokrovskii, A. N.; Kovba, L. M. X-ray diffraction study of double sulfates, isostructural with cesium neodymium sulfate (Cs₃Nd(SO₄)₃) (in Russian). Vestnik Moskovskogo Universiteta, Seriya 2: Khimiya, 1980. 21 (2): 190-192. ISSN 0579-9384
^ Kudin, O. V.; Efremov, V. A.; Pokrovskii, A. N.; Degtyarev, P. A.; Trunov, V. K. Synthesis and x-ray diffraction study of double sulfates K₃R(SO₄)₃. Zhurnal Neorganicheskoi Khimii, 1977. 22 (1): 95-97
^ "Y(OH)3 + H2SO4 = Y2(SO4)3 + H2O | Chemical reaction and equation".