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C R C logo Handbook of Chemistry and Physics Online


Section: 5 | Solubility Chart for Inorganic Salts |
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John R. Rumble, ed., CRC Handbook of Chemistry and Physics, 103rd Edition (Internet Version 2022), CRC Press/Taylor & Francis, Boca Raton, FL.
If a specific table is cited, use the format: "Physical Constants of Organic Compounds," in CRC Handbook of Chemistry and Physics, 103rd Edition (Internet Version 2022), John R. Rumble, ed., CRC Press/Taylor & Francis, Boca Raton, FL.

SOLUBILITY CHART FOR INORGANIC SALTS

In this chart, qualitative solubility data are given for an array of salts, with the cations as column headers and anions as rows. Each anion in the first half of the chart is numbered, which carries over to the second half of the chart. A few instances of salts with two modifications are indicated by asterisks.

Abbreviations:

W Soluble in water
A Insoluble in water but soluble in acids
w Sparingly soluble in water but soluble in acids
a Insoluble in water and only sparingly soluble in acids
I Insoluble in water and acids
d Decomposes in water

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Solubility Chart for Inorganic Salts



No.AnionAgAlAu (I)Au (II)BaBiCaCdCoCrCuFe (II)Fe (III)HHg (I)Hg (II)KMgMnNH4 NaNiPbPtSbSn (II)Sn (IV)SrZn
Continued on next page...
1Acetate
—(C2H3O2)		   w
Ag(—)		   W
Al(—)3		   W   W   W
Ba(—)2		   W
Bi(—)3		   W
Ca(—)2		   W
Cd(—)2		   W
Co(—)2		   W
Cr(—)3		   W
Cu(—)2
Fe(—)2
Fe2(—)6		   W
C2H4O2		   w
Hg(—)		   W
Hg(—)2		   W
K(—)		   W
Mg(—)2		   W
Mn(—)2		   W
NH4(—)		   w
Na(—)		   W
Ni(—)2		   W
Pb(—)2		   d
Sn(—)2		   W
Sn(—)4		   W
Sr(—)2		   W
Zn(—)2
2Arsenate
—(AsO4)		   A
Ag3(—)		   a
Al(—)		   w
Ba3(—)2		   A
Bi(—)		   w
Ca3(—)2		   A
Cd3(—)2		   A
Co3(—)2		   A
Cu3(—)2		  A
Fe3(—)2		   A
Fe(—)		  W
H3AsO4		   A
Hg3(—)		   w
Hg3(—)2		   W
K3(—)		   A
Mg3(—)		   w
MnH(—)		   W
(NH4)3(—)		   W
Na3(—)		   A
Ni3(—)2		   A
PbH(—)		   A
Sb(—)		   w
SrH(—)		   A
Zn3(—)2
3Arsenite
—(AsO3)		   A
Ag3H(—)		   w
Ca3(—)2		   A
Co3H6(—)4		   A
CuH(—)		   A
Hg3(—)		   A
Hg3(—)		   W
K3AsO3		   W
Mg3(—)2		A
Mn3H6(—)4		   W
NH4AsO2		   W
Na2H(—)		A
Ni3H6(—)4		   A
Sb(—)		   A
Sn3(—)2		   w
Sr3(—)2
4Benzoate
—(C7H5O2)		  w
Ag(—)		  W
Ba(—)2		  A
Bi(—)3		  W
Ca(—)2		  W
Cd(—)2		  W
Co(—)2		  w
Cu(—)2		  W
Fe(—)2		  A
Fe2(—)6		  W
C7H6O2		  A
Hg2(—)2		  w
Hg(—)2		  W
K(—)		  W
Mg(—)2		  W
Mn(—)2		  W
NH4(—)		  W
Na(—)		  w
Ni(—)2		  w
Pb(—)2		  W
Zn(—)2
5Bromide  a
AgBr		  W
AlBr2		  w
AuBr		  W
AuBr3		  W
BaBr2		  d
BiBr3		  W
CaBr2		  W
CdBr2		  W
CoBr2		  W(I)
CrBr3*		  W
CuBr2		  W
FeBr2		  W
FeBr3		  W
HBr		  A
HgBr		  W
HgBr2		  W
KBr		  W
MgBr2		  W
MnBr2		  W
NH4Br		  W
NaBr		  W
NiBr2		  W
PbBr2		  w
PtBr4		  d
SbBr3		  W
SnBr2		  W
SnBr4		  W
SrBr2		  W
ZnBr2
6Carbonate  A
Ag2CO3		  w
BaCO3		  w
CaCO3		  A
CdCO3		  A
CoCO3		  W
CrCO3		  w
FeCO3		  A
Hg2CO3		  W
K2CO3		  w
MgCO3		  w
MnCO3		  W
(NH4)2CO3		  W
Na2CO3		  w
NiCO3		  A
PbCO3		  w
SrCO3		  w
ZnCO3
7Chlorate
—(ClO3)		  W
Ag(—)		  W
Al(—)3		  W
Ba(—)2		  W
Bi(—)3		  W
Ca(—)2		  W
Cd(—)2		  W
Co(—)2		  W
Cu(—)2		  W
Fe(—)2		  W
Fe(—)3		  W
HClO3		  W
Hg(—)		  W
Hg(—)2		  W
K(—)		  W
Mg(—)2		  W
Mn(—)2		  W
NH4(—)		  W
Na(—)		  W
Ni(—)2		  W
Pb(—)2		  W
Sn(—)2		  W
Sr(—)2		  W
Zn(—)2
8Chloride  a
AgCl		  W
AlCl3		  w
AuCl		  W
AuCl3		  W
BaCl2		  d
BiCl3		  W
CaCl2		  W
CdCl2		  W
CoCl2		I
CrCl3		  W
CuCl2		  W
FeCl2		  W
FeCl3		  W
HCl		  a
HgCl		  W
HgCl2		  W
KCl		  W
MgCl2		  W
MnCl2		  W
NH4Cl		  W
NaCl		  W
iCl2		  W
PbCl2		  W
PtCl4		  W
SbCl3		  W
SnCl2		  W
SnCl4		  W
SrCl2		  W
ZnCl2
9Chromate
—(CrO4)		  w
Ag2(—)		  A
Ba(—)		  W
Ca(—)		  A
Cd(—)		  A
Co(—)		  A
Fe2(—)3		  w
Hg2(—)		  w
Hg(—)		  W
K2(—)		  W
Mg(—)		  W
(NH4)2(—)		  W
Na2(—)		  A
Ni(—)		  A
Pb(—)		  A
Sn(—)		  W
Sn(—)2		  w
Sr(—)		  w
Zn(—)
10Citrate
—(C6H5O7)		  w
Ag3(—)		  W
Al(—)		  w
Ba3(—)2		  A
Bi(—)		  w
Ca3(—)2		  A
Cd3(—)2		  w
Co3(—)2		  W
Fe(—)		  W
C6H8O7		  w
Hg3(—)		  W
K3(—)		  W
Mg3(—)2		  w
MnH(—)		  W
NH4)3(—)		  W
Na3(—)		  W
Ni3(—)2		  W
Pb3(—)2		  A
SrH(—)		  w
Zn3(—)2
11Cyanide  a
AgCN		  w
AuCN		  W
Au(CN)3		  W
Ba(CN)2		  w
Bi(CN)3		  W
Ca(CN)2		  W
Cd(CN)2		  A
Co(CN)2		  A
Cr(CN)3		  A
Cu(CN)2		  a
Fe(CN)2		  W
HCN		  A
HgCN		  W
Hg(CN)2		  W
KCN		  W
Mg(CN)2		  W
NH4CN		  W
NaCN		  a
Ni(CN)2		  w
Pb(CN)2		  I
Pt(CN)2		  W
Sr(CN)2		  A
Zn(CN)2
12Ferricyanide
—(Fe(CN)6)		  I
Ag3(—)		  w
Ba3(—)2		  W
Ca3(—)2		  A
Cd3(—)2		  I
Co3(—)2		  I
Cu3(—)2		  I
Fe3(—)2		  W
H3(—)		  A
Hg3(—)2		  W
K3(—)		  W
Mg3(—)2		  W
NH4)3(—)		  W
Na3(—)		  I
Ni3(—)2		  w
Pb3(—)2		  A
Sn3(—)2		  W
Sr3(—)2		  A
Zn3(—)2
13Ferrocyanide
—(Fe(CN)6)		  I
Ag4(—)		  w
Al4(—)3		  W
Ba2(—)		  W
Ca2(—)		  A
Cd2(—)		  I
Co2(—)		  I
Cu2(—)		  I
Fe2(—)		  a
Fe4(—)3		  W
H4(—)		  I
Hg2(—)		  W
K4(—)		  W
Mg2(—)		  A
Mn2(—)		  W
NH4)4(—)		  W
Na4(—)		  I
Ni2(—)		  a
Pb2(—)		  a
Sn2(—)		  W
Sr2(—)		  I
Zn2(—)
14Fluoride  W
AgF		  W
AlF3		  w
BaF2		  W
BiF3		  w
CaF2		  W
CdF2		  W
CoF2		  W(a)
CrF3*		  w
CuF2		  w
FeF2		  w
FeF3		  W
HF		  d
HgF		  d
HgF2		  W
KF		  w
MgF2		  A
MnF2		  W
NH4F		  W
NaF		  w
NiF2		  w
PbF2		  W
PtF4		  W
SbF3		  W
SnF2		  W
SnF4		  w
SrF2		  w
ZnF2
15Formate
—(CHO2)		  W
Ag(—)		  W
Al(—)3		  W
Ba(—)2		  W
Bi(—)3		  W
Ca(—)2		  W
Cd(—)2		  W
Co(—)2		  W
Cu(—)2		  W
Fe(—)2		  W
Fe(—)3		  W
CH2O2		  w
Hg(—)		  W
Hg(—)2		  W
K(—)		  W
Mg(—)2		  W
Mn(—)2		  W
NH4(—)		  W
Na(—)		  W
Ni(—)2		  W
Pb(—)2		  W
Sr(—)2		  W
Zn(—)2
16Hydroxide  A
Al(OH)3		  W
AuOH		  A
Au(OH)3		  W
Ba(OH)2		  A
Bi(OH)3		  W
Ca(OH)2		  A
Cd(OH)2		  A
Co(OH)2		  A
Cr(OH)3		  A
Cu(OH)2		  A
Fe(OH)2		  A
Fe(OH)3		  A
Hg(OH)2		  W
KOH		  A
Mg(OH)2		  A
Mn(OH)2		  W
NH4OH		  W
NaOH		  w
Ni(OH)2		  w
Pb(OH)2		  A
Pt(OH)4		  A
Sn(OH)2		  w
Sn(OH)4		  W
Sr(OH)2		  A
Zn(OH)2
17Iodide  I
AgI		  W
AlI3		  a
AuI		  a
AuI3		  W
BaI2		  A
BiI3		  W
CaI2		  W
CdI2		  W
CoI2		  W
CrI3		  a
CuI		  W
FeI2		  W
FeI3		  W
HI		  A
HgI		  w
HgI2		  W
KI		  W
MgI2		  W
MnI2		  W
NH4I		  W
NaI		  W
NiI2		  w
PbI2		  I
PtI2		  d
SbI3		  W
SnI2		  d
SnI4		  W
SrI2		  W
ZnI2
18Nitrate  W
AgNO3		  W
Al(NO3)3		  W
Ba(NO3)2		  d
Bi(NO3)3		  W
Ca(NO3)2		  W
Cd(NO3)2		  W
Co(NO3)2		  W
Cr(NO3)3		  W
Cu(NO3)2		  W
Fe(NO3)2		  W
Fe(NO)3		  W
HNO3		  W
HgNO3		  W
Hg(NO3)2		  W
KNO3		  W
Mg(NO3)2		  W
Mn(NO3)2		  W
NH4NO3		  W
NaNO3		  W
Ni(NO3)2		  W
Pb(NO3)2		  W
Pt(NO3)4		  d
Sn(NO3)2		  W
Sr(NO3)2		  W
Zn(NO3)2
19Oxalate
—(C2O4)		  a
Ag2(—)		  A
Al2(—)3		  w
Ba(—)		  A
Bi2(—)3		  A
Ca(—)		  w
Cd(—)		  A
Co(—)		  W
Cr(—)		  A
Cu(—)		  A
Fe(—)		  W
Fe2(—)3		  W
C2H2O4		  a
Hg2(—)		  A
Hg(—)		  W
K2(—)		  w
Mg(—)		  w
Mn(—)		  W
(NH4)2(—)		  W
Na2(—)		  A
Ni(—)		  A
Pb(—)		  A
Sn(—)		  w
Sr(—)		  A
Zn(—)
  • *Indicates two modifications of the salt.


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