Products Description of Calcium chloride CAS#10043-52-4
Calcium chloride (CaCl₂) is a colorless, hygroscopic, and deliquescent solid that exhibits excellent solubility in water and is also soluble in ethanol. It is commonly manufactured through the reaction of calcium carbonate with hydrochloric acid or by reacting calcium hydroxide with ammonium chloride. Due to its versatile properties, calcium chloride is widely used in various fields, including medical applications, antifreeze solutions, and as a coagulation agent.
From a chemical compatibility perspective, calcium chloride aqueous solutions are mildly alkaline. In the presence of moisture, calcium chloride can react with zinc to generate highly flammable hydrogen gas. Its dissolution in water releases a significant amount of heat due to its highly exothermic nature. Calcium chloride should be handled carefully as it is incompatible with certain substances, including bromine trifluoride, 2-furan, and percarboxylic acids. Additionally, prolonged exposure to moisture may cause corrosion of some metals and construction materials.
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Calcium chloride CAS#10043-52-4 Chemical Properties
| Melting point | 772 °C (lit.) |
| Boiling point | 1935 °C/1 atm (lit.) |
| Density | 1.086 g/mL at 20 °C |
| Vapor pressure | 0.01 mm Hg ( 20 °C) |
| Refractive index | n20/D 1.358 |
| Fp | >1600°C |
| Storage temp | Store at +5°C to +30°C. |
| Solubility | H2O: soluble |
| Form | powder |
| Color | White to gray |
| Specific Gravity | 2.15 |
| PH | 8-10 (100g/l, H2O, 20℃) |
| Water Solubility | 740 g/L (20 ºC) |
| Sensitive | Hygroscopic |
| λmax | λ: 260 nm Amax: 0.04 λ: 280 nm Amax: 0.02 |
| Crystal Structure | CaCl2 type |
| Crystal system | Nogata |
| Merck | 14,1659 |
| Space group | Pnnm |
| Lattice constant | a/nmb/nmc/nmα/oβ/oγ/oV/nm30.6240.6430.429090900.1685 |
| Stability | Stable. Incompatible with zinc, water, strong acids, methyl vinyl ether, bromine trifluoride, boron oxide, calcium oxide. Hygroscopic. |
| InChIKey | UXVMQQNJUSDDNG-UHFFFAOYSA-L |
| CAS DataBase Reference | 10043-52-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Calcium dichloride(10043-52-4) |
| EPA Substance Registry System | Calcium chloride (10043-52-4) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38-36-36/38-41-22 |
| Safety Statements | 26-39-24-22-36 |
| WGK Germany | 1 |
| RTECS | EV9810000 |
| F | 3 |
| TSCA | Yes |
| HS Code | 28272000 |
| Hazardous Substances Data | 10043-52-4(Hazardous Substances Data) |
| Toxicity | LD50 i.v. in mice: 42.2 mg/kg (Syed, Hosain) |
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Product Application of Calcium chloride CAS#10043-52-4
Calcium chloride has a broad range of applications across various industries. It is widely used as a drying agent due to its strong moisture-absorbing properties, and is commonly applied for road de-icing, dust suppression, and the thawing of construction materials such as sand, gravel, and concrete. In addition, calcium chloride is utilized in the food and pharmaceutical industries and can also serve as a fungicide in specific applications.
Furthermore, calcium chloride is extensively used as a road salt, desiccant in drying systems, and dehydrating agent for organic liquids and gases. It is also an important component in refrigeration brines, antifreeze formulations, food processing, and concrete acceleration and hardening. Due to its versatile physical and chemical properties, calcium chloride remains an essential chemical material in many industrial and commercial applications.
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