Calcium chloride dihydrate
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Product Description
Chemical Name: Calcium chloride dihydrate
Molecular Formula: CaCl₂H₄O₂
Molecular Weight: 147.01
CAS No.: 10035-04-8
EINECS: 600-075-5
▏Properties
Calcium chloride dihydrate has a bitter and astringent taste and is highly hygroscopic. Its relative density is 1.835. It is soluble in water, and its aqueous solution is neutral or slightly alkaline and corrosive. It dissolves in alcohols but does not dissolve in ethers. When heated to 260℃, it loses water to form an anhydrous substance. Its other chemical properties are similar to those of anhydrous calcium chloride.
▏Composition
NO. | TEST | SPECIFICATION |
1 | Assay | ≥77% |
2 | NaCl | ≤5.0% |
3 | MgCl | ≤0.5% |
4 | Alkalinity(AS Ca(OH)₂ ) | ≤0.2% |
5 | Sulphate(as CaSO₄) | ≤0.05% |
6 | pH(5% solution) | 7.5-11.0 |
7 | Insoluble in water | ≤0.15% |
8 | Fe | ≤0.006% |
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