Anhydrous Calcium Chloride
Basic Information
Name: Calcium Chloride (Anhydrous)
Other names: Calcium dichloride; CaCl2
Molecular formula: CaCl2
Molecular weight: 110.98
CAS number: 10043-52-4
2.Physical and Chemical Properties
- Appearance: White granules, pellets or powder
- Melting point: Approximately 772 °C Boiling point: Approximately 1935 °C Density: Approximately 2.15 g/cm³
- Solubility: Highly soluble in water (about 74.5 g/100 mL at 20 °C, strongly exothermic); soluble in ethanol and acetone
- Hygroscopicity: Strongly hygroscopic and deliquescent
- Stability: Chemically stable under normal conditions
3.Main Functions and Applications (What are its uses?)
- Desiccant (core application): A powerful drying agent for gases, liquids and packaging, as well as desiccant packs for moisture-sensitive goods.
- De-icing and dust control (core application): A road de-icer and snow-melting agent in winter maintenance, and a dust suppressant on roads and mine sites.
- Oil and gas: Used in brine-based drilling, completion and workover fluids to adjust density and prevent clay swelling.
- Concrete: Serves as an early-strength agent and antifreeze admixture for cold-weather construction. Refrigeration brine: A key component of low-temperature brine for refrigeration and ice-making systems. Food industry: Acts as a firming agent (e.g., in tofu) and as food additive E509.
- Water treatment: Employed for hardness adjustment, softening and flocculation in water systems.
- Swimming pools: Used to supplement calcium hardness and protect pool surfaces.
4.A Benchmark-Level Industrial Masterpiece - A Meticulously Crafted "Premium-Grade" Multi- Purpose Chloride!
CaCl2 content reaches 96.0% or higher, meeting the premium grade of GB/T 26520 and delivering dependable performance in every application.
Low alkalinity, low sulfate and low water-insoluble matter ensure clean dissolution and consistent operation. High purity and strong hygroscopicity deliver superior drying, de-icing and brine performance.
Available in granule, pellet and powder forms to match specific handling requirements. "What you see is what you get" - every lot ships with a complete certificate of analysis.
Product Specification - Anhydrous Calcium Chloride
|
Product model |
Anhydrous Calcium Chloride (Premium Grade) |
|
Appearance |
White granules / pellets / powder |
|
CaCl2 content (%) |
≥ 96.0 |
|
Alkalinity (as Ca(OH)2, %) |
≤ 0.25 |
|
Water-insoluble matter (%) |
≤ 0.05 |
|
Sulfate (as CaSO4, %) |
≤ 0.10 |
|
Magnesium & alkali metals (as NaCl, %) |
≤ 2.0 |
|
pH (aqueous solution) |
7.0 – 9.0 |
|
Packaging |
25 kg / 1000 kg woven bag or jumbo bag |
- Test methods reference: CaCl2 content by complexometric titration (EDTA, GB/T 26520); alkalinity by acid-base titration; water-insoluble matter by gravimetric method (GB/T 9738); sulfate by turbidimetric method; magnesium and alkali metals by flame photometry / gravimetric method.
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