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Send EmailCalcium Chloride Anhydrous, Calcium Chloride Monohydrate, Calcium Chloride Dihydrate, Calcium Chloride Tetrahydrate, Calcium Chloride Hexahydrate, 10043-52-4, 22691-02-7, 10035-04-8, 25094-02-4, 7774-34-7
Calcium chloride forms and their CAS numbers:
| Form | Chemical Formula | CAS Number |
|---|---|---|
| Anhydrous | CaCl₂ | 10043-52-4 |
| Monohydrate | CaCl₂·H₂O | 22691-02-7 |
| Dihydrate | CaCl₂·2H₂O | 10035-04-8 |
| Tetrahydrate | CaCl₂·4H₂O | 25094-02-4 |
| Hexahydrate | CaCl₂·6H₂O | 7774-34-7 |
Notes:
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The anhydrous form is highly hygroscopic and widely used as a desiccant in industrial applications.
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Dihydrate and hexahydrate forms are more common in food, pharmaceutical, and laboratory uses.
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CAS numbers are unique identifiers assigned to chemical substances for precise global reference.
Calcium chloride forms, highlighting their technical properties and typical applications:
| Form | Chemical Formula | CAS No. | Physical Properties | Typical Applications |
|---|---|---|---|---|
| Anhydrous | CaCl₂ | 10043-52-4 | White, hygroscopic, crystalline or granular; very strong moisture absorber | Industrial desiccant, gas drying, concrete accelerator, de-icing |
| Monohydrate | CaCl₂·H₂O | 22691-02-7 | Crystalline, moderately hygroscopic | Laboratory use, specialty chemical synthesis |
| Dihydrate | CaCl₂·2H₂O | 10035-04-8 | White crystals, hygroscopic, highly soluble in water | Food additive (firming agent), pharmaceuticals, animal feed additive, road de-icing |
| Tetrahydrate | CaCl₂·4H₂O | 25094-02-4 | Crystalline, less common | Specialized chemical applications |
| Hexahydrate | CaCl₂·6H₂O | 7774-34-7 | White crystals, also known as Antarcticite; highly soluble in water | Agriculture (soil conditioner), food (additive), pharmaceuticals (formulations), industrial solutions |
Key Points:
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Anhydrous calcium chloride is the strongest moisture absorber, making it ideal for industrial drying and dehumidification.
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Dihydrate and hexahydrate forms are more common in food, pharma, and agricultural applications.
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As the number of water molecules increases (higher hydrates), solubility generally increases, while hygroscopic strength decreases.
Chemical and Physical Properties
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Chemical Formula: CaCl₂·6H₂O
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Molecular Weight: 219.08 g/mol
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CAS Number: 7774-34-7
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Appearance: White crystalline powder
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Solubility: Soluble in water
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Density: 1.71 g/cm³
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Melting Point: 30°C (86°F)
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Boiling Point: 100°C (212°F) (with loss of water)
Uses
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Agriculture: Used as a calcium source in fertilizers.
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Industry: Utilized in detergents and textiles.
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Cooling Baths: Mixed with crushed ice to lower the temperature of cooling baths below -50°C.
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Desiccant: Used to dry gases and liquids.
Calcium Chloride 6-Hydrate, also known as Kalsiyum Klorür 6-Hidrat in Turkish, is a chemical compound with the formula CaCl₂·6H₂O. Here are some key points about it:
Calcium Chloride 6-Hydrate is known by several other names, including:
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Calcium chloride hexahydrate
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Antarcticite
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Calcium chloride hydrate (1:2:6)
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Dichlorocalcium hexahydrate
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Calcium dichloride hexahydrate
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Calcium (II) chloride, hydrous
