Calcium Chloride Dihydrate ⏬⏬
By Calcium Chloride Dihydrate is a chemical compound that has gained significant attention due to its versatile applications in various industries. With the molecular formula CaCl2·2H2O, this crystalline salt is known for its hygroscopic nature, meaning it readily absorbs moisture from its surroundings. Calcium Chloride Dihydrate finds application as a drying agent, de-icer, and desiccant, among other uses. Its ability to lower the freezing point of water and accelerate ice melting makes it an indispensable component in road maintenance during winter months. Additionally, it serves as a vital additive in concrete formulations, food preservation, and even for improving the texture of certain fruits and vegetables. The versatility of Calcium Chloride Dihydrate makes it a highly sought-after compound in various industrial sectors, showcasing its significance and widespread utility.
Calcium Chloride Dihydrate: A Versatile Compound with Various Applications
Calcium chloride dihydrate is a chemical compound with the formula CaCl2·2H2O. It is a crystalline solid consisting of calcium ions (Ca2+) and chloride ions (Cl–), combined with two water molecules per formula unit.
This compound has gained significant importance due to its diverse range of applications across several industries. Here are some key points about calcium chloride dihydrate:
1. Deicing and Anti-icing Agent:
Calcium chloride dihydrate is widely used as a deicing and anti-icing agent for roads, highways, and runways during winter. Its ability to lower the freezing point of water allows it to melt ice and prevent its formation, improving safety and mobility in cold climates.
2. Desiccant and Moisture Absorber:
Due to its hygroscopic nature, calcium chloride dihydrate is an effective desiccant and moisture absorber. It finds application in various industries, including manufacturing, pharmaceuticals, electronics, and food preservation. It helps control humidity levels and prevents moisture-related damage.
3. Concrete Additive:
When added to concrete, calcium chloride dihydrate accelerates the setting and hardening process. This characteristic makes it useful in construction projects where rapid strength development is desired, such as in cold weather conditions or when early access to the structure is necessary.
4. Industrial Processes:
The compound serves as a versatile chemical in various industrial processes. It is utilized in wastewater treatment, petroleum refining, metal processing, and the production of dyes, pigments, and textiles. Calcium chloride dihydrate’s diverse properties make it a valuable component in numerous manufacturing operations.
5. Food and Beverage Industry:
Calcium chloride dihydrate is approved for use as a food additive by regulatory agencies. It is commonly employed as a firming agent in the production of canned fruits and vegetables, cheese making, and tofu manufacturing. Additionally, it can enhance the texture and stability of certain food products.
Calcium Chloride Dihydrate Formula
Calcium chloride dihydrate is a chemical compound with the formula CaCl2·2H2O. It is a hydrated form of calcium chloride, meaning it contains two molecules of water (H2O) per molecule of calcium chloride (CaCl2). The compound is commonly found as a white crystalline solid.
The formula indicates that each unit of calcium chloride dihydrate consists of one calcium ion (Ca2+) bonded to two chloride ions (Cl–) and two water molecules. The calcium ion carries a double positive charge, while the chloride ions have single negative charges. The presence of water molecules in the crystal structure gives calcium chloride dihydrate its specific properties.
Calcium chloride dihydrate is highly soluble in water and has various applications across different industries. It is widely used as a desiccant to remove moisture from the air or gases, as well as a drying agent for organic liquids. Additionally, it finds use in de-icing roads and sidewalks during winter due to its ability to lower the freezing point of water.
Calcium Chloride Dihydrate: Material Safety Data Sheet (MSDS)
| Introduction | |
|---|---|
| Product Name: | Calcium Chloride Dihydrate |
| Chemical Formula: | CaCl2·2H2O |
| CAS Number: | 10035-04-8 |
| Description: | Calcium Chloride Dihydrate is a solid compound that appears as white deliquescent crystals. It is highly soluble in water and has numerous applications across various industries. |
| Hazards Identification | |
|---|---|
| Classification: | Calcium Chloride Dihydrate is not classified as hazardous according to regulatory guidelines. |
| Potential Health Effects: | While Calcium Chloride Dihydrate is generally considered safe, prolonged or repeated exposure may cause irritation to the respiratory system and skin. Ingestion or eye contact may lead to discomfort and should be avoided. |
| Safety Measures: | It is recommended to handle Calcium Chloride Dihydrate with appropriate protective equipment, such as gloves and goggles. In case of contact, rinse affected areas thoroughly with water. If symptoms persist, seek medical attention. |
- Fire Hazards: Calcium Chloride Dihydrate is non-flammable.
- Handling and Storage: Store in a cool, dry place away from incompatible substances. Avoid exposure to moisture and direct sunlight.
- First Aid Measures: In case of inhalation, move to fresh air. For skin contact, wash with soap and water. If swallowed, drink plenty of water and seek medical assistance.
Please note that this summary provides a brief overview of the Material Safety Data Sheet (MSDS) for Calcium Chloride Dihydrate. For comprehensive safety information, always consult the official MSDS provided by the manufacturer or supplier.
Sources:
– Sigma-Aldrich: https://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?country=US&language=en&productNumber=C3881&brand=SIAL&PageToGoToURL=https%3A%2F%2Fwww.sigmaaldrich.com%2Fcatalog%2Fproduct%2Fsial%2Fc3881%3Flang%3Den
– PubChem: https://pubchem.ncbi.nlm.nih.gov/compound/Calcium-chloride-dihydrate
Calcium Chloride Dihydrate Solubility
Calcium chloride dihydrate is a chemical compound with the formula CaCl2·2H2O. It is a crystalline solid that is highly soluble in water. The solubility of calcium chloride dihydrate is influenced by various factors including temperature and the presence of other substances.
The solubility of calcium chloride dihydrate increases with an increase in temperature. At room temperature (around 25°C), approximately 74 grams of calcium chloride dihydrate can dissolve in 100 milliliters of water. However, as the temperature rises, the solubility also increases. For example, at 100°C, about 160 grams of calcium chloride dihydrate can dissolve in the same amount of water.
In addition to temperature, the presence of other substances can affect the solubility of calcium chloride dihydrate. For instance, the presence of certain salts can decrease its solubility. This phenomenon is known as “salting out.” On the other hand, the presence of certain organic compounds can increase the solubility through the formation of complex ions.
The high solubility of calcium chloride dihydrate makes it useful in various applications. It is commonly used as a desiccant to absorb moisture from the air due to its hygroscopic properties. Calcium chloride dihydrate is also utilized in brine solutions for de-icing roads and in the food industry as a firming agent and preservative. Furthermore, it finds applications in industrial processes such as wastewater treatment, concrete setting acceleration, and as a source of calcium ions in chemical reactions.
Calcium Chloride Dihydrate Molar Mass
Calcium chloride dihydrate is a chemical compound with the formula CaCl2·2H2O. It is commonly used in various industries and applications due to its diverse properties.
The molar mass of calcium chloride dihydrate can be calculated by summing the atomic masses of each element in the compound. Calcium (Ca) has an atomic mass of 40.08 g/mol, chlorine (Cl) has an atomic mass of 35.45 g/mol, and water (H2O) has a molar mass of 18.02 g/mol.
To calculate the molar mass of calcium chloride dihydrate, we add the atomic masses:
| Element | Atomic Mass (g/mol) |
|---|---|
| Calcium (Ca) | 40.08 |
| Chlorine (Cl) | 35.45 |
| Water (H2O) | 18.02 |
Adding these values together gives us:
- Calcium: 40.08 g/mol
- Chlorine: 35.45 g/mol
- Water (H2O): 18.02 g/mol
Now, let’s calculate the molar mass:
| Element | Atomic Mass (g/mol) | Number of Atoms | Subtotal (g/mol) |
|---|---|---|---|
| Calcium (Ca) | 40.08 | 1 | 40.08 |
| Chlorine (Cl) | 35.45 | 2 | 70.90 |
| Water (H2O) | 18.02 | 2 | 36.04 |
Adding up the subtotals, we get:
Total Molar Mass: 147.02 g/mol
Therefore, the molar mass of calcium chloride dihydrate is 147.02 grams per mole.
Understanding the molar mass of chemical compounds is crucial for various scientific calculations, such as determining stoichiometry, making solutions, and analyzing reactions.
Calcium Chloride Dihydrate Structure
Calcium chloride dihydrate is a chemical compound with the formula CaCl2·2H2O. It is a crystalline solid that consists of calcium ions (Ca2+) and chloride ions (Cl-) along with two water molecules per formula unit. The structure of calcium chloride dihydrate can be described as an ionic lattice.
In this structure, the calcium ions are surrounded by six water molecules, forming octahedral coordination geometry. Each water molecule is coordinated to the calcium ion through its lone pairs of electrons. The chloride ions are located in the interstitial spaces between the calcium-water units.
The strong electrostatic forces of attraction between the positively charged calcium ions and the negatively charged chloride ions hold the structure together. Additionally, the water molecules contribute to the stability of the crystal lattice through hydrogen bonding interactions.
| Formula | Ionic Compound Name | Structure |
|---|---|---|
| CaCl2·2H2O | Calcium Chloride Dihydrate | Crystalline Ionic Lattice |
Calcium chloride dihydrate is commonly used in various applications such as de-icing roads, accelerating concrete setting, and desiccation. Understanding its structure helps elucidate its properties and behavior in different contexts.
Note: The information provided here is a brief overview of the structure of calcium chloride dihydrate. For a more detailed understanding, further research and consultation of reliable scientific sources is recommended.
Calcium Chloride Dihydrate Uses
Calcium chloride dihydrate is a versatile chemical compound that finds numerous applications in various industries and everyday life. It is commonly used due to its hygroscopic nature and ability to absorb moisture from the air. Here are some important uses of calcium chloride dihydrate:
- Deicing Agent: Calcium chloride dihydrate is widely employed as a deicing agent for roads, highways, and walkways during winter. Its ability to lower the freezing point of water helps prevent ice formation and enhances safety on icy surfaces.
- Drying Agent: Due to its strong affinity for water, calcium chloride dihydrate is utilized as a desiccant in drying processes. It effectively removes moisture from gases and liquids, making it valuable in various industrial applications such as gas purification, dehydration of organic compounds, and drying of solvents.
- Concrete Accelerator: In the construction industry, calcium chloride dihydrate is often added to concrete mixtures as an accelerator. It speeds up the curing process by promoting the hydration reaction, resulting in faster setting and increased strength development of concrete.
- Food Additive: Calcium chloride dihydrate has food-grade applications as a firming agent and preservative. It helps maintain the texture and quality of canned fruits and vegetables while extending their shelf life.
- Petroleum Industry: The petroleum industry utilizes calcium chloride dihydrate in various processes, including drilling fluids, well completion, and as a brine additive. It assists in controlling viscosity, maintaining fluid density, and preventing clay swelling.
In addition to these main uses, calcium chloride dihydrate also finds applications in wastewater treatment, dust control, refrigeration systems, and pharmaceutical manufacturing. Its versatility and wide range of applications make it a valuable compound across multiple industries.
Calcium Chloride Dihydrate Hazards
| Hazard | Description |
|---|---|
| Corrosive | Calcium chloride dihydrate is highly corrosive to the skin, eyes, and respiratory system. Direct contact can cause severe burns or damage. |
| Irritant | Exposure to calcium chloride dihydrate can lead to irritation of the skin, eyes, and mucous membranes. It may cause redness, itching, and discomfort. |
| Toxicity | While not considered highly toxic, ingestion or inhalation of large amounts of calcium chloride dihydrate can cause gastrointestinal disturbances, such as nausea, vomiting, and abdominal pain. |
| Environmental Impact | Calcium chloride dihydrate can have negative impacts on the environment. It is harmful to aquatic life and can contaminate water bodies if released in significant quantities. |
| Fire Hazard | Calcium chloride dihydrate is not flammable, but it can release heat when dissolved in water. This exothermic reaction may pose a fire hazard in certain situations. |
Therefore, proper handling, storage, and disposal procedures should be followed to minimize the risks associated with calcium chloride dihydrate and ensure the safety of individuals and the environment.
Properties of Calcium Chloride Dihydrate
| Property | Description |
|---|---|
| Synonyms | Calcium dichloride dihydrate, calcium chloride 2H2O |
| Molecular Formula | CaCl2·2H2O |
| Molar Mass | 147.01 g/mol |
| Physical State | Solid crystals |
| Appearance | White or colorless |
| Solubility | Highly soluble in water |
| Hygroscopicity | Absorbs moisture from the air |
| Melting Point | 176 °C (349 °F) |
| Boiling Point | 1,935 °C (3,515 °F) |
| Density | 2.15 g/cm³ |
| pH Level | Acidic (pH around 4) |
| Odor | Odorless |
| Applications |
|
Calcium chloride dihydrate, also known as calcium dichloride dihydrate or calcium chloride 2H2O, is a white or colorless solid crystal. It has a high solubility in water and is hygroscopic, meaning it readily absorbs moisture from the air. The compound has a molar mass of 147.01 g/mol and a density of 2.15 g/cm³.
The melting point of calcium chloride dihydrate is 176 °C (349 °F), while its boiling point is 1,935 °C (3,515 °F). It has an acidic pH level, typically around 4, and does not have a distinct odor.
Calcium chloride dihydrate finds diverse applications in various industries. It is commonly used as a deicing agent during winter to melt ice on roads and sidewalks. Additionally, it serves as a drying agent, absorbing moisture and controlling humidity. The compound functions as a catalyst in chemical reactions and can be found as an additive in the food and beverage industry. Furthermore, it has applications in medicine and healthcare.
In summary, calcium chloride dihydrate possesses several distinct properties, such as its solubility, hygroscopic nature, melting point, and acidic pH level. It is widely used in different sectors due to its deicing, drying, catalytic, and additive capabilities.
Calcium Chloride Dihydrate Preparation
Calcium chloride dihydrate is a compound commonly used in various industries, including food, pharmaceuticals, and construction. It is primarily prepared through the reaction between calcium hydroxide and hydrochloric acid.
The preparation process involves the following steps:
- Measure and prepare the required amounts of calcium hydroxide (Ca(OH)2) and hydrochloric acid (HCl).
- In a suitable container, slowly add the hydrochloric acid to the calcium hydroxide while stirring continuously. This reaction results in the formation of calcium chloride (CaCl2) and water (H2O).
- Continue the stirring until all the reactants are thoroughly mixed and the reaction is complete.
- Allow the mixture to settle for a short period of time to facilitate the separation of any solid impurities or undissolved materials.
- Carefully decant or filter the clear liquid, which contains the calcium chloride dihydrate solution, into a separate container.
- If desired, additional purification steps, such as crystallization or drying, can be performed to obtain higher-purity calcium chloride dihydrate.
It is important to note that when handling calcium chloride dihydrate or its components, proper safety precautions should be followed, such as wearing protective gloves and goggles, as it can cause irritation or burns upon contact with the skin or eyes.
References:
- “Calcium Chloride.” National Center for Biotechnology Information. PubChem Compound Database, U.S. National Library of Medicine.
- Merck Index. 14th ed., Merck & Co., Inc., 2006.
