Calcium Chloride Dihydrate

Product Description

Calcium chloride dihydrate is a chemical compound with the molecular formula CaC12 2H2O. It is a white crystalline solid that is highly soluble in water.

Calcium chloride dihydrate is commonly used in a variety of applications, including as a de-icing agent for roads, sidewalks, and other surfaces. It is also used in the food industry as a firming agent, and in the production of paper, textiles, and plastics.

In medicine, calcium chloride dihydrate is used to treat conditions such as hypocalcemia (low calcium levels in the blood), hyperkalemia (high potassium levels in the blood), and as a component of cardioplegic solution during heart surgery.

It is important to handle calcium chloride dihydrate with care, as it is a highly corrosive substance that can cause skin and eye irritation, and may be harmful if ingested or inhaled.

Calcium Chloride Dihydrate Properties:

Here are some properties of Calcium Chloride Dihydrate:

Physical Properties:

• Appearance: White crystalline solid
• Odor: Odorless
• Melting Point: 772 degree centigrade (1,422 degree fahrenheit; 1,045 K)
• Boiling Point: 1,935 degree centigrade (3,515 degree fahrenheit; 2,208 K)
• Density: 1.71 g/cm3 (at 20 degree centigrade)
• Solubility: Highly soluble in water (74.5 g/100 mL at 20 degree centigrade)

Chemical Properties:

• Chemical Formula: CaC122H2O
• Molar Mass: 147.014 g/mol
• pH: Acidic (pH of 4.5 in a 5% solution)
• Hygroscopic: Attracts moisture from the air and readily dissolves in absorbed water.
• Corrosive: Can cause severe skin and eye irritation and may be harmful if ingested or inhaled.

Other properties:

• Calcium chloride dihydrate is a strong desiccant, meaning it has the ability to absorb and retain moisture from the air.
• It can release heat when dissolved in water, making it useful for certain industrial processes such as drying gases or cooling concrete.
• Calcium chloride dihydrate can react with certain metals, such as aluminum, to release hydrogen gas.

Calcium Chloride Dihydrate Applications:

It has a variety of applications in various industries, including:

1. De-icing: It is widely used as a de-icing agent for roads, sidewalks, and other surfaces in cold weather conditions. It is highly effective in melting ice and snow, and can lower the freezing point of water, preventing ice formation.

2. Food industry: It is used as a firming agent, stabilizer, and thickener in various food products such as cheese, canned fruits, and vegetables, and as a coagulant in tofu production.

3. Water treatment: It is used in water treatment to increase water hardness and to remove impurities such as heavy metals and phosphates.

4. Medicine: It is used to treat conditions such as hypocalcemia (low calcium levels in the blood), hyperkalemia (high potassium levels in the blood), and as a component of cardioplegic solution during heart surgery.

5. Industrial processes: It is used in various industrial processes such as concrete cooling, refrigeration, and drying of gases and solvents.

6. Oil and gas industry: It is used in drilling and completion fluids in the oil and gas industry to control well pressure, stabilize shale formations, and to prevent the clogging of pipelines.

7. Dust control: It is used to control dust on unpaved roads and surfaces in mining, construction, and agricultural industries.

Frequently Asked Questions:

Q: What is calcium chloride dihydrate used for?

A: It is used for various purposes, including as a de-icing agent, food preservative, water treatment chemical, medical treatment, and in various industrial processes.

Q: Is calcium chloride dihydrate safe?

A: It can be corrosive and may cause skin and eye irritation if it comes into contact with skin or eyes. It is important to handle it with care and follow proper safety precautions. Ingestion or inhalation of calcium chloride dihydrate can also be harmful.

Q: How is calcium chloride dihydrate made?

A: It is typically made by combining calcium hydroxide or calcium carbonate with hydrochloric acid. The resulting solution is then evaporated to produce the solid calcium chloride dihydrate.

Q: Can calcium chloride dihydrate be used to make ice cream?

A: Yes, it is sometimes used as an ingredient in making ice cream. It acts as a stabilizer and helps to prevent the formation of ice crystals.

Q: Is calcium chloride dihydrate the same as rock salt?

A: No, it is not the same as rock salt. While both substances are used as de-icing agents, they have different chemical compositions and properties. Calcium chloride dihydrate is typically more effective at melting ice than rock salt.

Q: Can calcium chloride dihydrate be recycled or reused?

A: Yes, it can be recycled or reused in certain applications. For example, it can be recovered from de-icing solutions and reused for future de-icing applications. It can also be regenerated and reused in certain industrial processes.

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