CAS12064-62-9
FormulaGd2O3
SynonymGadolinium oxide (Gd2O3)
Rare Earth Metal
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Formula
CAS1314-36-9
FormulaY2O3
Synonymdiyttrium trioxide, yttrium sesquioxide, Yttrium oxide (Y2O3), YTTRIUM OXIDE
AppearanceWhite solid
Solubility in waterinsoluble
Molar Mass225.81 g/mol
Density5.010 g/cm³
Melting Point2425 °C
Boiling Point4300 °C
Specific gravity5.0
Insolubilityin water
Molecular weight225.82
Solubilitydil. acids
CAS12061-16-4
FormulaEr2O3
Synonymerbium(+3) cation, oxygen(-2) anion, Erbium oxide (Er2O3)
Density8.64
Slightly Solublein min. acids
Insolubilityin water
Molecular weight382.52
Specific gravityt 0.065
CAS12014-56-1
FormulaCeH4O4
SynonymCerium tetrahydroxide, Cerium hydroxide (Ce(OH)4), (T-4)-
Colorwhite or yellow
Solubility in waterinsoluble
Formpowder
Odorodorless
Boilin Point@760 mmHg100 deg C
CAS1312-81-8
FormulaLa2O3
Synonymlanthana, lanthanum sesquioxide, lanthanum trioxide, Lanthanum oxide (La2O3)
Molar Mass325.81 g/mol
AppearanceWhite powder, hygroscopic
Density6.51 g/cm3
Melting Point2315 °C
Boiling Point4200 °C
Solubility in waterInsoluble
Insolubilityin water
Molecular weight325.82
Solubilityacids
CAS1308-96-9
FormulaEu2O3
SynonymEuropium oxide (Eu2O3)
Solubility in waterNegligible
Toxicitynon-toxic
Molar Mass351.926 g/mol
AppearanceWhite powder
Specific gravity7.42 g/cc
Melting Point2350 °C
Density7.40 g/cm3
Odorno odor
CAS13709-42-7
FormulaNdF3
SynonymNeodymium fluoride (NdF3)
CAS12032-20-1
FormulaLu2O3
SynonymCID159406, EINECS 234-764-3, Lu2O3, lutetium(3+), oxygen(2-), Lutetium oxide, Lutetium oxide (Lu2O3), Lutetium oxide (Lu2O3)
CAS1314-36-9
FormulaY2O3
SynonymYttria, Yttrium trioxide, Yttrium oxide (Y2O3), YTTRIUM OXIDE
Density4.84
Melting Point2410 c
Insolubilityin water
Molecular weight225.82
Solubilitydil. acids
CAS12036-44-1
FormulaTm2O3
SynonymThulia, Thulium (III) oxide, Thulium oxide (Tm2O3)
Melting Point.p. 0 c
Molecular weight385.87
CAS1314-37-0
FormulaYb2O3
SynonymYtterbia, Ytterbium oxide (Yb2O3)
Density9.2
Melting Point2346 c
Molecular weight394.08
Colorcolorless to yellow-brown mass
Solubilityhot dil. acids
CAS39455-61-3
FormulaHo2O3
CAS1308-87-8
FormulaDy2O3
Synonymdysprosium(+3) cation, oxygen(-2) anion, Dysprosium oxide (Dy2O3)
CAS12037-01-3
FormulaTb4O7
SynonymTerbium oxide, Terbium oxide (Tb4O7)
Molecular weight747.29
Solubilitydil. acids
CAS1308-96-9
FormulaEu2O3
Synonymeuropium(+3) cation, oxygen(-2) anion, Europium oxide (Eu2O3)
CAS1313-97-9
FormulaNd2O3
SynonymNeodymium oxide, Neodymium sesquioxide, Neodymium(III) oxide, Neodymium oxide (Nd2O3)
CAS12037-29-5
FormulaPr6O11
SynonymHexapraseodymium undecaoxide, Praseodymium oxide, Praseodymium undecaoxide, Praseodymium oxide (Pr6O11)
Molecular weight1021.44
CAS1306-38-3
FormulaCeO2
SynonymCeria, Cerium oxide (CeO2), Ceric oxide
Density7.65
Melting Point2600 c
Insolubilityin water and dil. acid
Molecular weight172.115
Solubilitysulfuric acid
CAS7631-86-9
FormulaSiO2
SynonymSilica, Silicon dioxide
AppearanceWhite Solid, odorless
pH6-9
Boiling Point2230° C
Flash PointNon-combustible
Specific Gravity (20°C)2.2
Melting Point1710° C
Solubility in waterInsoluble
CAS5794-28-5
FormulaC2CaO4.H2O
SynonymCalcium oxalate monohydrate, Calcium oxalate hydrate
Molecular weight128.00
InChI1S/C2H2O4.Ca.H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;1H2/q;+2;/p-2
CAS10099-59-9
FormulaLa(NO3)3
Synonymlanthanum trinitrate, Nitric acid, lanthanum(3+) salt (3:1)
Melting Point40 c
Molecular weight324.94
Solubilitywater, alcohol, acids
Boiling Point126 c
CAS7446-33-5
FormulaY2(SO4)3
CAS7440-25-7
FormulaTa
SynonymTantalum ingot, Tantalum Powder, Tantalum
Density14.491 (powd.), 16.6 (worked metal)
Insolubilityin acids except hydrofluoric and fuming sulfuric acids
Melting Point2996 c
Refractive Index2.05
Solubilityfused alkalis
Boiling Point5425 c
CAS7440-28-0
FormulaTl
SynonymPure Thallium, Thallium Ingot, Thallium Powder, Thallium
Density11.85 (20 c)
Insolubilityin water but readily forms sol. compds. when exposed to air or water
Vapor Pressure1 mm (825 c)
Melting Point302 c
Solubilitynitric and sulfuric acids
Boiling Point1457 c
CAS14982-00-4
FormulaDy
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