Calcium Chloride Anhydrous, Calcium Dichloride, 10043-52-4

Calcium Chloride Anhydrous, Calcium Dichloride, 10043-52-4

CALCIUM CHLORIDE (CACL₂)
CALCIUM CHLORIDE ANHYDROUS / CALCIUM DICHLORIDE
1. PRODUCT IDENTIFICATION AND CHEMICAL IDENTITY

2. CHEMICAL STRUCTURE
2.1. Molecular Structure
Calcium chloride is an ionic compound of calcium and chlorine. Calcium ions (Ca²⁺) and chloride ions (Cl⁻) are present in a 1:2 ratio. It is known for its highly hygroscopic nature; it strongly absorbs moisture from the air. It exhibits high solubility in water and the dissolution is exothermic (releases heat).

Structural Features:

                    CALCIUM CHLORIDE [CaCl₂]
                          |
                Ca²⁺ - Cl⁻ Ionic Bonds
                          |
        +----------------+----------------+
        |                |                |
    Ionic Crystal     Highly           Strong
    Structure         Hygroscopic      Desiccant

2.2. Structural Properties

3. PHYSICAL AND CHEMICAL PROPERTIES

4. PURITY GRADES

5. STABILITY AND REACTIVITY

5.1. Chemical Reactions

• Behavior in Aqueous Solution:
  CaCl₂(aq) → Ca²⁺(aq) + 2Cl⁻(aq)

• Heat of Solution:
  CaCl₂ + H₂O → CaCl₂·2H₂O + Heat (exothermic)

• Reaction with Sulfates:
  CaCl₂ + Na₂SO₄ → CaSO₄↓ + 2NaCl

• Reaction with Carbonates:
  CaCl₂ + Na₂CO₃ → CaCO₃↓ + 2NaCl

6. APPLICATION AREAS
6.1. Desiccant and Moisture Absorber

6.2. De-icer and Road Salt

6.3. Food Additive (E509)

6.4. Construction

6.5. Other Applications

6.6. Sectoral Suitability Table

7. PRODUCTION PROCESS

7.1. Major Producing Countries

8. ALTERNATIVE / SUBSTITUTE PRODUCTS

9. SAFETY AND TOXICOLOGY

9.1. GHS Classification

Signal Word: WARNING

Hazard Pictograms: GHS07 (Exclamation Mark)

10. PRECAUTIONARY STATEMENTS (P-CODES)

11. FIRST AID MEASURES

12. STORAGE AND SHELF LIFE

13. PACKAGING OPTIONS

14. TRANSPORT INFORMATION

15. REGULATORY STATUS

16. OTHER NAMES AND SYNONYMS

17. QUICK REFERENCE TABLE

18. CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

• Highly Hygroscopic Nature: Calcium chloride has a very high moisture absorption capacity. When exposed to air, it rapidly absorbs moisture, liquefies, and loses its quality. Extreme care must be taken to avoid moisture during storage and handling.

• Exothermic Dissolution: Releases heat upon contact with water; caution must be taken against splashing and burning when mixing with large amounts of water.

• Incompatibility: Contact with metals such as zinc, aluminum, and magnesium causes corrosion.

• Eye and Skin Irritation: Causes irritation to skin and eyes. Protective equipment is mandatory during use.

• Food Grade: Only food grade (E509) should be used for food applications; industrial grade must not come into contact with food.

BEST PRACTICE RECOMMENDATIONS:

• Storage:

  • Store in a cool, dry, and well-ventilated area.

  • Use moisture-proof, tightly closed containers.

  • Keep away from metals to prevent corrosion.

  • Store at room temperature (15-25°C).

• Handling:

  • Immediately close containers tightly when not in use.

  • Use a dust mask (N95 or better), protective goggles, and chemically resistant gloves.

  • Avoid dust formation and inhalation.

  • Wash hands thoroughly after handling.

  • When mixing with water, add slowly and allow for temperature increase of the mixing vessel.

  • For food applications, only use food grade product.

• Waste Management:

  • Dispose of in accordance with local regulations.

  • Can be disposed of by dilution with water.

  • Do not discharge into water sources in high concentrations.

LEGAL DISCLAIMER
This Technical Data Sheet (TDS) is for informational purposes only and has been prepared based on available technical data. The user is solely responsible for determining the suitability of the product for their specific applications and for complying with all local, national, and international regulations. For complete safety, storage, handling, transport, disposal, and regulatory compliance information, the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier must be consulted. This document does not substitute professional advice. Calcium chloride requires careful handling and storage due to its highly hygroscopic nature and exothermic dissolution; it is a versatile chemical widely used in food, construction, drying, and de-icing applications.