Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
1. Basic Information
Name: Calcium chloride
Alias: Anhydrous calcium dichloride
CAS No.: 10043-52-4
Molecular Formula: Ca1Cl2
Molecular Weight: 110.98
2. Physical and Chemical Properties
Physical Properties
- Appearance: White porous granule, flake or fine powder
- Odor: Odorless, bitter salty taste
- Solubility: Extremely soluble in water with strong exotherm; soluble in methanol, ethanol; slightly soluble in acetone
- Melting Point: 772 °C
- Boiling Point: Above 1600 °C
- Hygroscopicity: Extremely strong hygroscopicity, rapidly absorbs water vapor in air to deliquesce
Chemical Properties
- Molecular Structure: Ionic compound composed of one Ca1 cation and two Cl1 anions
- Precipitation reaction: Reacts with carbonate, sulfate, phosphate to generate insoluble calcium salt precipitates
- Complexation property: Forms soluble coordination complexes with ammonia, ethanol
- Thermal stability: Stable under high temperature, no decomposition below 700 °C
- Photostability: Light stable, no discoloration under natural light
- Compatibility: Compatible with neutral inorganic materials; incompatible with fluorides, strong alkalis, sulfate and phosphate salts
3. Main Application Fields
1. Industrial Desiccant (Core Application)
- Drying agent for industrial gas, organic solvent, pipeline and closed equipment
- Raw material for refrigerant brine in refrigeration and cold storage systems
2. Road Deicing & Antifreeze
Snow melting agent for highway, airport and parking lot; dust suppressant for yard and mine roads
3. Construction Chemical Additive
Concrete antifreeze and early strength accelerator for winter construction to prevent frost damage
4. Food & Pharmaceutical Raw Material
- Food-grade calcium fortifier, tofu coagulant, beverage stabilizer
- Raw material for calcium supplement preparations and medical dialysate
4. Quality Specification Table
| Test Item | Standard Index |
| CAS Number | 10043-52-4 |
| Molecular Formula | Ca1Cl2 |
| Appearance | White porous solid |
| Assay | Industrial Grade ≥94.0%; Food Grade ≥99.0% |
| Water Insoluble Substance | ≤0.20% |
| Heavy Metals (Pb) | ≤10 ppm |
| Arsenic (As) | ≤1 ppm |
| Packaging | 25kg PE lined woven bag / fiber drum |
| Storage Condition | Hermetic dry warehouse below 25 °C; strictly isolated from humid air |
| Transportation Requirement | Non-hazardous goods, heavy moisture-proof packaging |
| Shelf Life | 24 months under intact sealed packaging |
Safety Warning
Low-toxic inorganic salt. Dust irritates eyes and respiratory tract; high-concentration aqueous solution causes skin dehydration irritation. Wear dust mask and protective gloves during operation. Seal tightly to avoid deliquescence and caking. Avoid mixing with fluoride-containing materials to produce insoluble calcium fluoride. Waste residues can be diluted and treated as general inorganic waste.
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