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Product Details:
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| Item Name: | Calcium Chloride | Chemical Formula: | CaCl2 |
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| Content: | 74% | Package: | 25kg/bag |
| Appearance: | White Flakes | National Standard: | GB/T26520-2011 |
| High Light: | PH7.5 CaCL2 Calcium Chloride,Food Manufacturing CaCL2 Calcium Chloride |
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Calcium Chloride Dihydrate CAS 10035-04-8 Snow Melting Agent Calcium Chloride Dihydrate
Calcium chloride dihydrate is a colorless crystal. The general commercial products are white, off-white or slightly yellow crystals, which are bitter and astringent, and have strong deliquescent properties. The relative density is 1.835. Easily soluble in water, and its aqueous solution is Chemicalbook neutral or slightly alkaline and corrosive. Soluble in alcohol, insoluble in ether. When heated to 260°C, dehydration becomes anhydrous. It is a typical ionic halide, used in salt water, road ice melting agent and desiccant used in refrigeration equipment. Because it is easy to absorb water and deliquesce in the air, anhydrous calcium chloride should be stored in a sealed container. Calcium chloride and its hydrates and solutions have important applications in food manufacturing, building materials, medicine and biology.
| Item | Standard value | Test value |
| Calcium Chloride (CaCl2) content, w/% | ≥74.0 | 75.1 |
| Free base [as Ca(OH)2], w/% | ≤0.20 | 0.1 |
| Total alkali metal chloride (as NaCl), w/% | ≤5.0 | 4.1 |
| Water insoluble matter, w/% | ≤0.15 | 0 |
| Iron (Fe), w/% | ≤0.006 | 0 |
| PH value | 7.5—11.0 | 9.1 |
| Total magnesium (as MgCl2), w/% | ≤0.5 | 0 |
| Sulfate (as CaSO4), w/% | ≤0.05 | 0.02 |
Calcium chloride dihydrate can be used as a multi-purpose desiccant. Its aqueous solution is an important refrigerant for refrigerating mills and ice making. It can accelerate the hardening of concrete and increase the cold resistance of building mortar in construction. It is an excellent antifreeze for buildings. It is used in waste paper processing, deinking and preparation of metal calcium, fabric sizing, road treatment, coal treatment, tanning, medicine, etc.
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