The chemical formula for calcium chloride is CaCl2.
Physical Properties of Calcium Chloride:
| Properties | Details |
| Appearance | White, crystalline powder or flakes |
| Boiling Point | 1,935 °C (3,515 °F) |
| Conductivity | Conducts electricity when dissolved in water |
| Density | 2.15 g/cm³ |
| Hygroscopicity | Hygroscopic (absorbs moisture from the air) |
| Melting Point | 772 °C (1,422 °F) |
| Odor | Odorless |
| Solubility in Water | Highly soluble, forms a clear, colorless solution |
| State of Matter | Solid at room temperature |
Chemical Properties of Calcium Chloride:
| Properties | Details |
| Chemical Formula | CaCl₂ |
| Corrosiveness | Corrosive to some metals, such as aluminum |
| Dehydration | Can act as a desiccant by removing water from substances |
| Deliquescence | Absorbs water from the air and forms a solution |
| Exothermic Heat Generation | Generates heat when mixed with water |
| Freezing Point Depression | Lowers the freezing point of water when used as a de-icer |
| Ionization | Dissociates into calcium ions (Ca²⁺) and chloride ions (Cl⁻) |
| Reaction with Water | Exothermic reaction, dissolves readily in water |
| Reactivity | Reactive with certain metals and organic compounds |
Reaction of calcium chloride with Alkaline Earth Metal
| Alkaline Earth Metal | Reaction with Calcium Chloride | Reaction equation |
| Beryllium (Be) | no product | |
| Magnesium (Mg) | Formation of magnesium chloride | CaCl2 + Mg react and convert into MgCl2 + Ca |
| Calcium (Ca) | no product | |
| Strontium (Sr) | Formation of strontium chloride | CaCl2+ Sr react and convert into SrCl2 + Ca |
| Barium (Ba) | Formation of barium chloride | CaCl2+ Ba react and convert into BaCl2 + Ca |
| Radium (Ra) | Formation of radium chloride (radioactive product) | CaCl2+ Ra react and convert into RaCl2 + Ca |
Reaction of calcium chloride with Non-Transition Metal
| Non-Transition Metal | Reaction with Calcium Chloride | Reaction equation |
| Hydrogen (H) | Formation of hydrogen chloride gas | CaCl2+ 2HCl react and convert into CaCl2 + H2(g) |
| Boron (B) | no product | |
| Carbon (C) | Formation of calcium carbide and carbon dioxide gas | CaCl2+ 2C react and convert into CaC2 + 2Cl2(g) + CO2(g) |
| Nitrogen (N) | no product | |
| Oxygen (O) | Formation of calcium oxide and chlorine gas | CaCl2+ O2 react and convert into 2CaO + 2Cl2(g) |
| Fluorine (F) | Formation of calcium fluoride | CaCl2+ 2HF react and convert into CaF2 + 2HCl |
| Neon (Ne) | no product |
Reaction of calcium chloride with Non-Metal
| Non-Metal | Reaction with Calcium Chloride | Reaction equation |
| Hydrogen (H) | Formation of hydrogen chloride gas | CaCl2+ 2HCl react and convert into CaCl2 + H2(g) |
| Carbon (C) | Formation of calcium carbide and carbon dioxide gas | CaCl2+ 2C react and convert into CaC2 + 2Cl2(g) + CO2(g) |
| Nitrogen (N) | no product | |
| Oxygen (O) | Formation of calcium oxide and chlorine gas | CaCl2+ O2 react and convert into 2CaO + 2Cl2(g) |
| Fluorine (F) | Formation of calcium fluoride | CaCl2+ 2HF react and convert into CaF2 + 2HCl |
| Chlorine (Cl) | no product (both are already chloride compounds) | |
| Bromine (Br) | Formation of calcium bromide | CaCl2+ 2HBr react and convert into CaBr2 + 2HCl |
| Iodine (I) | Formation of calcium iodide | CaCl2 + 2KI react and convert into CaI2 + 2KCl |
| Sulfur (S) | Formation of calcium sulfide and hydrogen chloride | CaCl2+ H2S react and convert into CaS + 2HCl |
| Phosphorus (P) | Formation of calcium phosphate | 3 CaCl2 + 2Na3PO4 react and convert into Ca3(PO4)2 + 6NaCl |
| Selenium (Se) | Formation of calcium selenide and hydrogen chloride | CaCl2+ H2Se react and convert into CaSe + 2HCl |
| Tellurium (Te) | Formation of calcium telluride and hydrogen chloride | CaCl2+ H2Te react and convert into CaTe + 2HCl |
Reaction of calcium chloride with Metalloid
| Metalloid | Reaction with Calcium Chloride | Reaction equation |
| Boron (B) | no product | |
| Silicon (Si) | Formation of calcium silicide and hydrogen chloride gas | CaCl2+ Si react and convert into CaSi + 2Cl2(g) + H2(g) |
| Germanium (Ge) | Formation of calcium germanide and hydrogen chloride gas | CaCl2+ Ge react and convert into CaGe + 2Cl2(g) + H2(g) |
| Arsenic (As) | Formation of calcium arsenide and hydrogen chloride gas | CaCl2+ As react and convert into CaAs + 2Cl2(g) + H2(g) |
| Antimony (Sb) | Formation of calcium antimonide and hydrogen chloride gas | CaCl2+ Sb react and convert into CaSb + 2Cl2(g) + H2(g) |
| Tellurium (Te) | Formation of calcium telluride and hydrogen chloride gas | CaCl2+ H2Te react and convert into CaTe + 2HCl |
Reaction of calcium chloride with Lanthanide
| Lanthanide | Reaction with Calcium Chloride | Reaction equation |
| Cerium (Ce) | Formation of cerium(III) chloride | CeCl3 + 3 CaCl2 react and convert into 3CaCl2CeCl3 |
| Praseodymium (Pr) | Formation of praseodymium(III) chloride | PrCl3 +3 CaCl2 react and convert into 3CaCl2PrCl3 |
| Neodymium (Nd) | Formation of neodymium(III) chloride | NdCl3 + 3 CaCl2 react and convert into 3CaCl2NdCl3 |
| Samarium (Sm) | Formation of samarium(III) chloride | SmCl3 + 3 CaCl2 react and convert into 3CaCl2SmCl3 |
| Europium (Eu) | Formation of europium(III) chloride | EuCl3 + 3 CaCl2 react and convert into 3CaCl2EuCl3 |
| Gadolinium (Gd) | Formation of gadolinium(III) chloride | GdCl3 + 3 CaCl2 react and convert into 3CaCl2GdCl3 |
| Terbium (Tb) | Formation of terbium(III) chloride | Tb Cl3+ 3 CaCl2 react and convert into 3CaCl2TbCl3 |
| Dysprosium (Dy) | Formation of dysprosium(III) chloride | DyCl3 + 3 CaCl2 react and convert into 3CaCl2DyCl3 |
| Holmium (Ho) | Formation of holmium(III) chloride | Ho Cl3 + 3 CaCl2 react and convert into 3CaCl2HoCl3 |
| Erbium (Er) | Formation of erbium(III) chloride | ErCl3 + 3 CaCl2 react and convert into 3CaCl2ErCl3 |
| Thulium (Tm) | Formation of thulium(III) chloride | TmCl3 + 3 CaCl2 react and convert into 3CaCl2TmCl3 |
| Ytterbium (Yb) | Formation of ytterbium(III) chloride | YbCl3 + 3 CaCl2 react and convert into 3CaCl2YbCl3 |
| Lutetium (Lu) | Formation of lutetium(III) chloride | Lu Cl3 + 3 CaCl2 react and convert into 3CaCl2LuCl3 |
Reaction of calcium chloride with Actinide
| Actinide | Reaction with Calcium Chloride | Reaction equation |
| Thorium (Th) | Formation of thorium(IV) chloride | ThCl4 + 2 CaCl2 react and convert into 2CaCl2ThCl4 |
| Protactinium (Pa) | Formation of protactinium(V) chloride | PaCl5 + 5 CaCl2 react and convert into 5CaCl2PaCl5 |
| Uranium (U) | Formation of uranium(IV) chloride | UCl4 + 2 CaCl2 react and convert into 2CaCl2UCl4 |
| Formation of uranium(V) chloride | UCl5 + 5 CaCl2 react and convert into 5CaCl2UCl5 | |
| Formation of uranium(VI) chloride | UCl6 + 3 CaCl2 react and convert into 3CaCl2UCl6 | |
| Neptunium (Np) | Formation of neptunium(IV) chloride | NpCl4 + 2 CaCl2 react and convert into 2CaCl2NpCl4 |
| Formation of neptunium(V) chloride | NpCl5 + 5 CaCl2 react and convert into 5CaCl2NpCl5 | |
| Plutonium (Pu) | Formation of plutonium(III) chloride | PuCl3 + 3 CaCl2 react and convert into 3 CaCl2MdCl3 |
| Formation of plutonium(IV) chloride | PuCl4 + 2 CaCl2 react and convert into 2CaCl2PuCl4 | |
| Formation of plutonium(V) chloride | PuCl5 + 5 CaCl2 react and convert into 5CaCl2PuCl5 | |
| Americium (Am) | Formation of americium(III) chloride | AmCl3 + 3 CaCl2 react and convert into 3 CaCl2MdCl3 |
| Curium (Cm) | Formation of curium(III) chloride | CmCl3 + 3 CaCl2 react and convert into 3 CaCl2MdCl3 |
| Californium (Cf) | Formation of californium(III) chloride | CfCl3 + 3 CaCl2 react and convert into 3 CaCl2MdCl3 |
| Formation of californium(IV) chloride | CfCl4 + 2 CaCl2 react and convert into 2CaCl2CfCl4 | |
| Formation of californium(VI) chloride | CfCl6 + 3 CaCl2 react and convert into 3CaCl2CfCl6 | |
| Einsteinium (Es) | Formation of einsteinium(III) chloride | EsCl3 + 3 CaCl2 react and convert into 3 CaCl2MdCl3 |
| Fermium (Fm) | Formation of fermium(III) chloride | FmCl3 + 3 CaCl2 react and convert into 3 CaCl2MdCl3 |
| Mendelevium (Md) | Formation of mendelevium(III) chloride | MdCl3 + 3 CaCl2 react and convert into 3CaCl2MdCl3 |