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Inorganic Compounds in Water - Melting and Boiling Temperature, Density and Solubility

Physical constants for more than 280 common inorganic compounds. Density is given for the actual state at 25°C and for liquid phase at melting point temperature.

  • Boiling point - the temperature at which a liquid turns into a gas
  • Melting point - the temperature at which a solid turns into a liquid

See Standard state and enthalpy of formation, Gibbs free energy of formation, entropy and heat capacity for thermodynamic data for the same compounds

For full table with Density, Liquid Denity at  Melting Point and Water Solubility- rotate the screen!

Inorganic Compounds in Water - Melting and Boiling Temperature, Density and Solubility
Substance Formula > Melting point
°C 		Boiling temperature
°C 		Density
@25°C
g/cm3 		Liquid density
@Melting point
g/cm3 		Water solubility
@25°C 1)
g/100g H2O 		Comments (*)
Aluminium Al 660.3 2519 2.7 2.77
Aluminium bromide AlBr3 97.5 255 3.2 2.647
Aluminium chloride AlCl3 192.6 sub 180 2.48 1.302 45
Aluminium fluoride AlF3 tp 2250* sub 1276 3.1 0.5 @220 Mpa
Aluminium hydroxide Al(OH)3 2.42
Aluminium iodide AlI3 188.28 382 3.98 3.223
Aluminium oxide Al2O3 2053 2977 3.99
Aluminium phosphate AlPO 4 >1460 2.56
Ammonium NH3 -77.65 -33.33 0.7329* liquid @-77.7°C
Ammonium chloride NH 4 Cl tp 520.1 sub 338 1.519 39.5
Ammonium nitrate NH 4 NO3 169.7 d 200-260 1.72 213
Ammonium sulfate (NH 4 )2SO 4 d 280 1.77 76.4
Boron B 2077 40000 2.34 2.08
Boron fluoride BF3 -126.8 -99.9 0.002772* gas @25°C
Boron sulfide B2S3 563 ~1.7
Barium Ba 727 ~1845 3.62 3.338
Barium bromide BaBr 2 857 1835 4.781 3.991 100
Barium carbonate BaCO3 1555 4.308 0.0014 20
Barium chloride BaCl 2 961 1560 3.9 3.174 37
Barium fluoride BaF 2 1368 2260 4.893 4.14 0.161
Barium hydride BaH 2 1200 4.16
Barium iodide BaI 2 711 5.15 4.26 221
Barium oxide BaO 1973 5.72 1.5 20
Barium sulfate BaSO 4 1580 4.49 0.00031 20
Beryllium Be 1287 2468 1.85 1.69
Beryllium bromide BeBr 2 508 sub 473 3.465
Beryllium chloride BeCl 2 415 482 1.9 1.54 71.5
Beryllium fluoride BeF 2 552 1283 2.1 1.96
Beryllium hydroxide Be(OH) 2 d ~200 1.92
Beryllium iodide BeI 2 480 590 4.32
Beryllium oxide BeO 2578 3.01
Beryllium sulfate BeSO 4 1127 2.5 41.3
Bismuth Bi 271.4 1564 9.79 10.05
Bismuth oxide Bi2O3 825 1890 8.9
Bromine Br 2 -7.2 58.8 3.1028
Bromine chloride BrCl -66 d 5
Bromine fluoride BrF ~-33 d ~20 0.004043* gas @25°C
Bromine trifluoride BrF3 8.77 125.8 2.803
Cadmium Cd 321.1 767 8.69 7.996
Cadmium bromide CdBr 2 568 863 5.19 4.075 115
Cadmium chloride CdCl 2 568 964 4.08 3.392 120
Cadmium carbonate CdCO3 d 500 5.026
Cadmium fluoride CdF 2 1075 1750 6.33 4.36
Cadmium sulfide CdS ~1480 4.826
Cadmium sulfate CdSO 4 1000 4.69 76.7
Calcium Ca 842 1484 1.54 1.378
Calcium bromide CaBr 2 742 1815 3.38 3.111 156
Calcium carbonate CaCO3 (aragonite) 450* 2.93 0.00066 20 transformation to calcite
Calcium carbonate CaCO3 (calcite) 800 2.71 0.00066 20
Calcium chloride CaCl 2 775 1935 2.15 2.085 81.3
Calcium cyanamide CaCN 2 ~1340 sub 2.29
Calcium fluoride CaF 2 1418 2500 3.18 2.52 0.0016
Calcium hydride CaH 2 1000 1.7
Calcium hydroxide Ca(OH) 2 ~2.2 0.16 20
Calcium iodide CaI 2 783 1100 3.96 3.443 215
Calcium oxide CaO 2613 3.34
Calcium sulfate CaSO 4 1460 2.96 0.205
Carbon C(diamond) 4440* 3.513 12.4 Gpa
Carbon C(graphite) tp 4489* sub 3825 2.2 10.3 Mpa
Carbon bromide CBr 4 90 190 3.4
Carbon chloride CCl 4 -23 77 1.6 0.08
Carbon dioxide CO 2 tp -56.561 sub -78.464 1.56* solid @-79°C
Carbon disulfide CS 2 -111.7 46.2 1.2632* 20°C
Carbon fluoride CF 4 -184 -128 2.0** 0.0018* *gas @25°C  **liquid
Carbon monoxide CO -205.1 -19151 0.8495* liquid @-205.1°C
Carbon oxychloride CCl2O -104 8 1.4
Cesium Cs 28.5 671 1.873 1.843
Cesium chloride CsCl 646 1297 3.988 2.79 191
Chlorine Cl 2 -101.5 -34.04 1.565* liquid @-34.0°C
Chlorine dioxide ClO 2 -59 11 0.002757* gas @25°C
Chlorine fluoride ClF -155.6 -101.1 0.002226* gas @25°C
Chlorine monoxide Cl2O -120.6 2.2 0.003552* gas @25°C
Chlorine trifluoride ClF3 -76.34 11.75 0.003779* gas @25°C
Chromium Cr 1907 2671 7.15 6.3
Chromium(II) chloride CrCl 2 824 1120 2.88
Chromium(III) chloride CrCl3 827 d 1300 2.76
Chromium(III) oxide Cr2O3 2432 ~3000 5.22
Chromium(IV) oxide CrO 2 d ~400 4.89
Chromium(VI) oxide CrO3 197 d ~250 2.7 169
Cobalt Co 1495 2927 8.89 7.75
Cobalt chloride CoCl 2 737 1049 3.36 56.2
Cobalt nitrate Co(NO3 ) 2 d 100 2.49 103
Copper Cu 1084.6 2560 8.96 7.997
Copper(I) bromide CuBr 483 1345 4.98 0.0012 20
Copper(II) bromide CuBr 2 498 900 4.71 126
Copper(I) chloride CuCl 423 1490 4.14 3.692 0.0047 20
Copper(II) chloride CuCl 2 598 993 3.4 75.7
Copper(I) cyanide CuCN 474 d 2.9
Copper(I) oxide Cu2O 1244 d 1800 6
Copper(II) oxide CuO 1227 6.31
Copper sulfate CuSO 4 d 560 3.6 22
Copper(I) sulfide Cu2S 1129 5.6
Copper(II) sulfide CuS trans 507 4.76
Fluorine F 2 -219.7 -188.1 1.5127* liquid @-188.1°C
Fluorine oxide F2O -223.8 -144.3 0.002207* gas @25°C
Hydrogen H 2 -259.16 -252.9 0.07083* liquid @-252.9°C
Hydrogen bromide HBr -86.8 -66.4 2.603* liquid @-84°C
Hydrogen chloride HCl -114.17 -85 1.187* liquid @-114.1°C
Hydrogen cyanide HCN -13.3 25.6 0.6876* liquid @25°C
Hydrogen fluoride HF -83.36 20 1.002* liquid @0°C
Hydrogen iodide HI -50.76 -35.55 2.85* liquid @-47°C
Hydrogen nitrate HNO3 -41.6 83 1.5129* liquid @20°C
Hydrogen peroxide H2O 2 -0.43 150.2 1.44
Hydrogen selenide H2Se -65.73 -41.25 0.00331* gas @25°C
Hydrogen sulfide H2S -85.5 -59.55 0.9923* liquid @-85.5°C
Iodine I 2 113.7 184.4 4.933 0.03 20
Iodic acid HIO3 d 110 4.63 308
Iodine bromide IBr 40 d 116 4.3
Iodine chloride ICl 27.38 d 97.0 3.24
Iodine fluoride IF d -14
Iron Fe 1538 2861 7.87 7.035
Iron(II) bromide FeBr 2 691 d 4.636 120
Iron(III) bromide FeBr3 d 4.5 455
Iron carbide Fe3 C 1227 7.694
Iron(II) carbonate FeCO3 3.944 0.000062 20
Iron(II) chloride FeCl 2 677 1023 3.16 2.348 65
Iron(III) chloride FeCl3 307.6 ~316 2.9 1.2
Iron(I) oxide FeO 1377 6
Iron(III) oxide Fe2O3 1539 5.25
Iron(II,III) oxide Fe3 O 4 1597 5.17
Iron(II) sulfide FeS 2 3.65 29.5
Lead Pb 327.46 1749 11.3 10.66
Lead(II) carbonate PbCO3 d ~315 6.582
Lead(II) chloride PbCl 2 501 951 5.98 4.951 1.08
Lead(II) nitrate Pb(NO3 ) 2 470 4.53 59.7
Lead(II) oxide PbO(red or litharge) 489* 9.35 transformation to massicot
Lead(II) oxide PbO(yellow or massicot) 887 9.64
Lead(IV) oxide PbO 2 d 290 9.64
Lead(II) sulfate PbSO 4 1087 6.29 0.0044
Lead(II) sulfide PbS 1113 7.6
Lithium Li 180.5 1342 0.534 0.512
Lithium bromide LiBr 550 ~1300 3.464 2.528 181
Lithium chloride LiCl 610 1383 2.07 1.02 84.5
Lithium fluoride LiF 848.2 1673 2.64 1.81 0.134
Lithium hydroxide LiOH 473 1626 1.45 12.5
Lithium iodide LiI 469 1171 4.06 3.109 165
Lithium nitrate LiNO3 253 2.38 1.781 102
Lithium oxide Li2O 1438 2.013
Magnesium Mg 650 1090 1.74 1.584
Magnesium bromide MgBr 2 711 3.72 2.62 102
Magnesium chloride MgCl 2 714 1412 2.325 1.68 56
Magnesium fluoride MgF 2 1263 2227 3.148 0.013
Magnesium hydroxide Mg(OH) 2 350 2.37 0.00069 20
Magnesium oxide MgO 2825 3600 3.6
Magnesium sulfate MgSO 4 1137 2.66 35.7
Magnesium sulfide MgS 2226 2.68
Manganese Mn 1246 2061 7.3 5.85
Manganese(II) bromide MnBr 2 698 4.385 151
Manganese(II) chloride MnCl 2 650 1190 2.977 2.353 77.3
Manganese(II) oxide MnO 1842 5.37
Manganese(IV) oxide MnO 2 d 535 5.08
Manganese(II) bromide MnBr 2 698 4.385 151
Manganese(II) chloride MnCl 2 650 1190 2.977 2.353 77.3
Mercury Hg -38.8 356.6 13.5336
Mercury (I) bromide Hg2Br 2 d 345 7.307
Mercury (II) bromide HgBr 2 241 318 6.05 5.126 0.61
Mercury(I) chloride Hg2Cl 2 tp 525 sub 383 7.16 0.0004
Mercury (II) chloride HgCl 2 277 304 5.6 4.368 7.31
Mercury (I) iodide Hg2I 2 290 7.7
Mercury (II) iodide HgI 2 127* / 250 354 6.3 5.222 0.006 transformation to yellow
Mercury(II) oxide HgO d 500 11.14
Mercury(I) sulfate Hg2SO 4 7.56 0.051
Mercury (II) sulfate HgSO 4 6.47
Mercury(II) sulfide HgS(red) 344* 8.17 tranformation to black HgS
Mercury (II) sulfide HgS(black) 820 7.7
Molybdenum Mo 2622 4639 10.2 9.33
Molybdenum(IV) oxide MoO 2 d ~1800 6.47
Molybdenum(VI) oxide MoO3 802 1155 4.7 0.14 20
Molybdenum(IV) sulfide MoS 2 1750 5.06
Molybdenum(VI) sulf ide MoS3 d 350
Nitrogen N 2 -210 -195.79 0.8061* liquid @-195.8°C
Nitrogen dioxide NO 2 0.003575* gas @25°C
Nitrogen oxide NO -163.6 -151.74 0.001226* gas @25°C
Nitrogen tetroxide N2O 4 -9.3 21.15 1.45* liquid @20°C
Nitrogen trifluoride NF3 -206.79 -128.75 0.002902* gas @25°C
Nitrous oxide N2O -90.8 -88.48 0.001799* gas @25°C
Nickel Ni 1455 2913 8.9 7.81
Nickel(II) bromide NiBr 2 963 sub 5.1 131 20
Nickel(II) chloride NiCl 2 1031 sub 985 3.51 2.653 67.5
Nickel(II) fluoride NiF 2 1380 4.7 2.56
Nickel(II) hydroxide Ni(OH) 2 d 230 4.1 0.00015 20
Nickel(III) oxide Ni2O3 ~600
Osmium Os 3033 5008 22.587* 20 @20°C
Osmium(VIII) oxide OsO 4 40.6 131.2 5.1 6.44 20
Oxygen O 2 -218.79 -182.96 1.141* liquid @-183.0°C
Ozone O3 -193 -111.35 0.001962* gas @25°C
Phosphine PH3 -133.8 -87.75 0.001390* gas @25°C
Phosphonic acid H3 PO 4 42.4 407 1.8 548 20
Phosphorus P(black) 610 2.69
Phosphorus P(red) 579.2 sub 431 2.16
Phosphorus P(white) 44.15 280.5 1.823
Phosphorus(III) chloride PCl5 tp 167 sub 160 2.1
Phosphorus(V) oxide P2O5 562 605 2.3
Phosphorus trichloride PCl3 -93 76 1.574
Phosphoryl chloride POCl3 1.18 105.5 1.645
Potassium K 63.5 759 0.89 0.828
Potassium bromide KBr 734 1435 2.7467.8 2.127 25
Potassium carbonate K2CO3 899 d 2.29 111
Potassium chlorate KClO3 357 d 2.34 8.61
Potassium chloride KCl 771 1.98835.5 1.527 25
Potassium cyanide KCN 622 1.55 69.9 20
Potassium fluoride KF 858 1502 2.48 1.910 102
Potassium iodide KI 681 1323 3.12 2.448 148
Potassium manganate KMnO 4 d 2.7 7.6
Potassium nitrate KNO3 334 d 400 2.105 1.865 38.3
Potassium nitrite KNO 2 438 e 537 1.915 312
Potassium oxide K2O 740 2.35
Potassium peroxide K2O 2 545 d
Potassium sulfate K2SO 4 1069 2.66 12
Rubidium Rb 39.3 688 1.53 1.46
Rubidium chloride RbCl 724 1390 2.76 2.248 93.9
Silver Ag 961.8 2162 10.5 9.32
Silver bromide AgBr 430 1502 6.47 5.577 0.000014
Silver carbonate Ag2CO3 218 6.077 0.0036 20
Silver chloride AgCl 455 1547 5.56 4.83 0.00019
Silver cyanide AgCN d 320 3.95 0.0000011
Silver fluoride AgF 435 1159 5.852 172 20
Silver iodide AgI 558 1506 5.68 5.58 0.000003
Silver nitrate AgNO3 210 d 440 4.35 3.970 234
Silver oxide Ag2O 827 7.2 0.0025
Silver sulfate Ag2SO 4 660 4.84
Silver sulfide Ag2S 836 7.23
Sodium Na 97.794 882.94 0.97 0.927
Sodium azide NaN3 d 300 1.846 40.8 20
Sodium bromide NaBr 747 1390 3.2 2.342 94.6
Sodium carbonate Na2CO3 856 2.54 1.972 30.7
Sodium chloride NaCl 802.02 1465 2.17 1.556 36
Sodium cyanide NaCN 562 1.6 58.2 20
Sodium fluoride NaF 996 1704 2.78 1.948 4.13
Sodium hydride NaH 638 1.39
Sodium hydroxide NaOH 323 1388 2.13 100
Sodium nitrate NaNO3 306.5 0.261 1.90 91.2
Sodium oxide Na2O 1134 2.27
Sodium peroxide Na2O 2 675 2.805
Sodium sulfate Na2SO 4 884 2.7 2.069 28.1
Sodium superoxide NaO 2 284 d >320 2.17 84.8
Sulfur S(rhombic) 92.5* 444.61 2.07 transformation to monoclinic
Sulfur S(monoclinic) 115.21 444.61 2 1.819
Sulfuric acid H2SO 4 10.31 337 1.8305 liquid @20°C
Sulfur dioxide SO 2 -75.45 10.02 1.60* liquid @-75.5°C
Sulfur trioxide SO3 (γ-form) 16.8 44.5 1.9
Sulfuryl chloride SO2Cl 2 -51 69.4 1.68
Selenium Se(gray) 220.8 685 4.809 3.99
Silicon Si 1414 3265 2.3296 2.57
Silicon carbide SiC(hexagonal) 2830 3.16
Silicon tetraboride SiB 4 d 1870 2.4
Siliane SiH 4 -185 -111.9 0.001313 gas @25°C
Tin Sn(gray) 13.2* 2586 5.769 transformation to white
Tin Sn(white) 231.9 2586 7.287 6.979
Tin(IV) chloride SnCl 4 -34.07 114.15 2.234 2.37
Tin(IV) oxide SnO 2 1630 6.85
Titanium Ti 1670 3287 4.506 4.11
Titanium(II) chloride TiCl 2 1035 1500 3.13
Titanium(III) chloride TiCl3 d 425 960 2.64
Titanium(IV) chloride TiCl 4 -24.12 136.45 1.73 1.807
Titanium(IV) oxide TiO2(rutile)
1912 ~3000 4.17
Uranium U 1135 4131 19.1 17.3
Uranium (IV) fluoride UF 4 1036 1417 6.7 6.485 0.01
Uranium (VI) fluoride UF6 tp 64.06 sub 56.5 5.09
Uranium (IV) oxide UO 2 2847 10.97
Vanadium V 1910 3407 6 5.5
Vanadium(III) chloride VCl3 d 500 3
Vanadium(IV) chloride VCl 4 -28 151 1.816
Vanadium(V) oxide V2O5 681 1750 3.35 0.07
Water H2O 0.00 99.974 0.9970
Zinc Zn 419.5 907 7.134 6.57
Zinc bromide ZnBr 2 402 ~670 4.5 3.47 488
Zinc chloride ZnCl 2 325 732 2.907 2.54 408
Zinc fluoride ZnF 2 872 1500 4.9 1.55
Zinc iodide ZnI 2 450 625 4.74 3.878 438
Zinc oxide ZnO 1974 5.6
Zinc nitrate Zn(NO3 ) 2 d
Zinc sulfate ZnSO 4 d 680 3.8 3.14 57.7
Zinc sulfide ZnS(sphalerite) 1020* 4.04 transformation to wurtzite
Zinc sulfide ZnS(wurtzite) 1827 sub 4.09
Zirconium Zr 1854 4406 6.52 5.8
Zirconium(II) chloride ZrCl 2 722 3.16
Zirconium(IV) chloride ZrCl 4 tp 437 sub 331 2.8 1.643
1) : Solubility at 25°C unless other temperature in °C is indicated with superscript,     * : comment is given in the last column
d : decomposes,    e : explodes,     tp : triple point,       sub : sublimates (solid to gas)

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