Ksp solubility constant for common salts

Below are the values of the Ksp product constant for the most common salts

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Compound Formula Ksp (at 25 oC)
 
Aluminium hydroxide Al(OH)3 3x10-34
Aluminium phosphate AlPO4 9.84 x 10-21
Barium bromate Ba(BrO3)2 2.43 x 10-4
Barium carbonate BaCO3 2.58 x 10-9
Barium chromate BaCrO4 1.17 x 10-10
Barium fluoride BaF2 1.84 x 10-7
Barium hydroxide octahydrate Ba(OH)2 x 8H2O 2.55 x 10-4
Barium iodate Ba(IO3)2 4.01 x 10-9
Barium iodate monohydrate Ba(IO3)2 x H2O 1.67 x 10-9
Barium molybdate BaMoO4 3.54 x 10-8
Barium nitrate Ba(NO3)2 4.64 x 10-3
Barium selenate BaSeO4 3.40 x 10-8
Barium sulfate BaSO4 1.08 x 10-10
Barium sulfite BaSO3 5.0 x 10-10
Beryllium hydroxide Be(OH)2 6.92 x 10-22
Bismuth arsenate BiAsO4 4.43 x 10-10
Bismuth iodide BiI 7.71 x 10-19
Cadmium arsenate Cd3(AsO4)2 2.2 x 10-33
Cadmium carbonate CdCO3 1.0 x 10-12
Cadmium fluoride CdF2 6.44 x 10-3
Cadmium hydroxide Cd(OH)2 7.2 x 10-15
Cadmium iodate Cd(IO3)2 2.5 x 10-8
Cadmium oxalate trihydrate CdC2O4 x 3H2O 1.42 x 10-8
Cadmium phosphate Cd3(PO4)2 2.53 x 10-33
Cadmium sulfide CdS 1 x 10-27
Caesium perchlorate CsClO4 3.95 x 10-3
Caesium periodate CsIO4 5.16 x 10-6
Calcium carbonate (calcite) CaCO3 3.36 x 10-9
Calcium carbonate (aragonite) CaCO3 6.0 x 10-9
Calcium fluoride CaF2 3.45 x 10-11
Calcium hydroxide Ca(OH)2 5.02 x 10-6
Calcium iodate Ca(IO3)2 6.47 x 10-6
Calcium iodate hexahydrate Ca(IO3)2 x 6H2O 7.10 x 10-7
Calcium molybdate CaMoO 1.46 x 10-8
Calcium oxalate monohydrate CaC2O4 x H2O 2.32 x 10-9
Calcium phosphate Ca3(PO4)2 2.07 x 10-33
Calcium sulfate CaSO4 4.93 x 10-5
Calcium sulfate dihydrate CaSO4 x 2H2O 3.14 x 10-5
Calcium sulfate hemihydrate CaSO4 x 0.5H2O 3.1 x 10-7
Cobalt(II) arsenate Co3(AsO4)2 6.80 x 10-29
Cobalt(II) carbonate CoCO3 1.0 x 10-10
Cobalt(II) hydroxide (blue) Co(OH)2 5.92 x 10-15
Cobalt(II) iodate dihydrate Co(IO3)2 x 2H2O 1.21 x 10-2
Cobalt(II) phosphate Co3(PO4)2 2.05 x 10-35
Cobalt(II) sulfide (alpha) CoS 5 x 10-22
Cobalt(II) sulfide (beta) CoS 3 x 10-26
Copper(I) bromide CuBr 6.27 x 10-9
Copper(I) chloride CuCl 1.72 x 10-7
Copper(I) cyanide CuCN 3.47 x 10-20
Copper(I) hydroxide Cu2O 2 x 10-15
Copper(I) iodide CuI 1.27 x 10-12
Copper(I) thiocyanate CuSCN 1.77 x 10-13
Copper(II) arsenate Cu3(AsO4)2 7.95 x 10-36
Copper(II) hydroxide Cu(OH)2 4.8 x 10-20
Copper(II) iodate monohydrate Cu(IO3)2 x H2O 6.94 x 10-8
Copper(II) oxalate CuC2O4 4.43 x 10-10
Copper(II) phosphate Cu3(PO4)2 1.40 x 10-37
Copper(II) sulfide CuS 8 x 10-37
Europium(III) hydroxide Eu(OH)3 9.38 x 10-27
Gallium(III) hydroxide Ga(OH)3 7.28 x 10-36
Iron(II) carbonate FeCO3 3.13 x 10-11
Iron(II) fluoride FeF2 2.36 x 10-6
Iron(II) hydroxide Fe(OH)2 4.87 x 10-17
Iron(II) sulfide FeS 8 x 10-19
Iron(III) hydroxide Fe(OH)3 2.79 x 10-39
Iron(III) phosphate dihydrate FePO4 x 2H2O 9.91 x 10-16
Lanthanum iodate La(IO3)3 7.50 x 10-12
Lead(II) bromide PbBr2 6.60 x 10-6
Lead(II) carbonate PbCO3 7.40 x 10-14
Lead(II) chloride PbCl2 1.70 x 10-5
Lead(II) chromate PbCrO4 3 x 10-13
Lead(II) fluoride PbF2 3.3 x 10-8
Lead(II) hydroxide Pb(OH)2 1.43 x 10-20
Lead(II) iodate Pb(IO3)2 3.69 x 10-13
Lead(II) iodide PbI2 9.8 x 10-9
Lead(II) oxalate PbC2O4 8.5 x 10-9
Lead(II) selenate PbSeO4 1.37 x 10-7
Lead(II) sulfate PbSO4 2.53 x 10-8
Lead(II) sulfide PbS 3 x 10-28
Lithium carbonate Li2CO3 8.15 x 10-4
Lithium fluoride LiF 1.84 x 10-3
Lithium phosphate Li3PO4 2.37 x 10-4
Magnesium ammonium phosphate MgNH4PO4 3 x 10-13
Magnesium carbonate MgCO3 6.82 x 10-6
Magnesium carbonate trihydrate MgCO3 x 3H2O 2.38 x 10-6
Magnesium carbonate pentahydrate MgCO3 x 5H2O 3.79 x 10-6
Magnesium fluoride MgF2 5.16 x 10-11
Magnesium hydroxide Mg(OH)2 5.61 x 10-12
Magnesium oxalate dihydrate MgC2O4 x 2H2O 4.83 x 10-6
Magnesium phosphate Mg3(PO4)2 1.04 x 10-24
Manganese(II) carbonate MnCO3 2.24 x 10-11
Manganese(II) iodate Mn(IO3)2 4.37 x 10-7
Manganese(II) hydroxide Mn(OH)2 2 x 10-13
Manganese(II) oxalate dihydrate MnC2O4 x 2H2O 1.70 x 10-7
Manganese(II) sulfide (pink) MnS 3 x 10-11
Manganese(II) sulfide (green) MnS 3 x 10-14
Mercury(I) bromide Hg2Br2 6.40 x 10-23
Mercury(I) carbonate Hg2CO3 3.6 x 10-17
Mercury(I) chloride Hg2Cl2 1.43 x 10-18
Mercury(I) fluoride Hg2F2 3.10 x 10-6
Mercury(I) iodide Hg2I2 5.2 x 10-29
Mercury(I) oxalate Hg2C2O4 1.75 x 10-13
Mercury(I) sulfate Hg2SO4 6.5 x 10-7
Mercury(I) thiocyanate Hg2(SCN)2 3.2 x 10-20
Mercury(II) bromide HgBr2 6.2 x 10-20
Mercury(II) hydroxide HgO 3.6 x 10-26
Mercury(II) iodide HgI2 2.9 x 10-29
Mercury(II) sulfide (black) HgS 2 x 10-53
Mercury(II) sulfide (red) HgS 2 x 10-54
Neodymium carbonate Nd2(CO3)3 1.08 x 10-33
Nickel(II) carbonate NiCO3 1.42 x 10-7
Nickel(II) hydroxide Ni(OH)2 5.48 x 10-16
Nickel(II) iodate Ni(IO3)2 4.71 x 10-5
Nickel(II) phosphate Ni3(PO4)2 4.74 x 10-32
Nickel(II) sulfide (alpha) NiS 4 x 10-20
Nickel(II) sulfide (beta) NiS 1.3 x 10-25
Palladium(II) thiocyanate Pd(SCN)2 4.39 x 10-23
Potassium hexachloroplatinate K2PtCl6 7.48 x 10-6
Potassium perchlorate KClO4 1.05 x 10-2
Potassium periodate KIO4 3.71 x 10-4
Praseodymium hydroxide Pr(OH)3 3.39 x 10-24
Radium iodate Ra(IO3)2 1.16 x 10-9
Radium sulfate RaSO4 3.66 x 10-11
Rubidium perchlorate RuClO4 3.00 x 10-3
Scandium fluoride ScF3 5.81 x 10-24
Scandium hydroxide Sc(OH)3 2.22 x 10-31
Silver(I) acetate AgCH3COO 1.94 x 10-3
Silver(I) arsenate Ag3AsO4 1.03 x 10-22
Silver(I) bromate AgBrO3 5.38 x 10-5
Silver(I) bromide AgBr 5.35 x 10-13
Silver(I) carbonate Ag2CO3 8.46 x 10-12
Silver(I) chloride AgCl 1.77 x 10-10
Silver(I) chromate Ag2CrO4 1.12 x 10-12
Silver(I) cyanide AgCN 5.97 x 10-17
Silver(I) iodate AgIO3 3.17 x 10-8
Silver(I) iodide AgI 8.52 x 10-17
Silver(I) oxalate Ag2C2O4 5.40 x 10-12
Silver(I) phosphate Ag3PO4 8.89 x 10-17
Silver(I) sulfate Ag2SO4 1.20 x 10-5
Silver(I) sulfite Ag2SO3 1.50 x 10-14
Silver(I) sulfide Ag2S 8 x 10-51
Silver(I) thiocyanate AgSCN 1.03 x 10-12
Strontium arsenate Sr3(AsO4)2 4.29 x 10-19
Strontium carbonate SrCO3 5.60 x 10-10
Strontium fluoride SrF2 4.33 x 10-9
Strontium iodate Sr(IO3)2 1.14 x 10-7
Strontium iodate monohydrate Sr(IO3)2 x H2O 3.77 x 10-7
Strontium iodate hexahydrate Sr(IO3)2 x 6H2O 4.55 x 10-7
Strontium oxalate SrC2O4 5 x 10-8
Strontium sulfate SrSO4 3.44 x 10-7
Thallium(I) bromate TlBrO3 1.10 x 10-4
Thallium(I) bromide TlBr 3.71 x 10-6
Thallium(I) chloride TlCl 1.86 x 10-4
Thallium(I) chromate Tl2CrO4 8.67 x 10-13
Thallium(I) hydroxide Tl(OH)3 1.68 x 10-44
Thallium(I) iodate TlIO3 3.12 x 10-6
Thallium(I) iodide TlI 5.54 x 10-8
Thallium(I) thiocyanate TlSCN 1.57 x 10-4
Thallium(I) sulfide Tl2S 6 x 10-22
Tin(II) hydroxide Sn(OH)2 5.45 x 10-27
Yttrium carbonate Y2(CO3)3 1.03 x 10-31
Yttrium fluoride YF3 8.62 x 10-21
Yttrium hydroxide Y(OH)3 1.00 x 10-22
Yttrium iodate Y(IO3)3 1.12 x 10-10
Zinc arsenate Zn3(AsO4)2 2.8 x 10-28
Zinc carbonate ZnCO3 1.46 x 10-10
Zinc carbonate monohydrate ZnCO3 x H2O 5.42 x 10-11
Zinc fluoride ZnF 3.04 x 10-2
Zinc hydroxide Zn(OH)2 3 x 10-17
Zinc iodate dihydrate Zn(IO3)2 x 2H2O 4.1 x 10-6
Zinc oxalate dihydrate ZnC2O4 x 2H2O 1.38 x 10-9
Zinc selenide ZnSe 3.6 x 10-26
Zinc selenite monohydrate ZnSe x H2O 1.59 x 10-7
Zinc sulfide (alpha) ZnS 2 x 10-25
Zinc sulfide (beta) ZnS 3 x 10-23