Calcium chloride dihydrate & Anhydrous calcium chloride
Chemical name : calcium chloride,andydrous,technical
Molecular formula : CaCl2
Molecular weight : 110.99 1. Use:
The anhydrous form used as a drying and dehydrating agent for organic liquids and gases, and in desiccators. The dihydrate and hexahydrate forms are used for antifreeze and refrigerating solns, in fire extinguishers, etc. (a 40% soln freezes at -41°C); to preserve wood, stone; manuf ice, glues, cements; fireproofing fabrics; automobile antifreeze mixtures; to melt ice and snow; as coagulant in rubber manuf, as size in admixture with starch paste; in concrete mixes to give quicker initial set and greater strength; freezeproofing of coal and ores; dust control on unpaved roads; sizing and finishing cotton fabrics; as brine for filling inflatable tires on tractors to increase traction.
2. Appearance:
White flakes, lumps, granules or powder
3. Specification
| Technical index |
Anhydrous CaCl2 |
CaCl2.2H2O |
| CaCl2% |
95%-98% |
75%-80% |
Content of magnesium and alkali chloride %≤
|
0.2 |
0.25 |
| Non-soluble in water % |
0.1 |
0.2 |
| PH |
7.5-8.5 |
7.5-8.5 |
| Basicity [Ca(OH)2] |
0.1 |
0.15 |
|
