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Anhydrous calcium chloride

CAS number : 10043-52-4

Molecular weight :110.98

Molecular formula/chemical symbol : CaCl2

Description :
 

Calcium chloride, CaCl2, is a salt of calcium and chloride. It behaves as a typical ionic halide, and is solid at room temperature. Common applications include brine for refrigeration plants, ice and dust control on roads, and desiccation. Because of its hygroscopic nature, anhydrous calcium chloride must be kept in tightly sealed, air-tight containers.

 

 

KeywordsChloride



USES :

Desiccant: Drying tubes are frequently packed with calcium chloride. Kelp is dried with calcium chloride for use producing sodium carbonate. Adding solid calcium chloride to liquids can remove dissolved water. Calcium chloride is also used in products such as DampRid and Dri-Z-Air which is advertised as an air moisture absorber. Anhydrous calcium chloride has been approved by the FDA as a packaging aid to ensure dryness (CPG 7117.02).

These hygroscopic properties are also applied to keep a liquid layer on the surface of the roadway, which holds dust down.

Medicine: Calcium chloride can be injected as intravenous therapy for the treatment of hypocalcaemia. It can be used for magnesium intoxication. Calcium chloride injection may antagonize cardiac toxicity as measured by electrocardiogram. It can help to protect the myocardium from dangerously high levels of serum potassium in hyperkalemia. Calcium chloride can be used to quickly treat calcium channel blocker toxicity, from the side effects of drugs such as diltiazem (Cardizem) — helping avoid potential heart attacks.

Aqueous calcium chloride is used in genetic transformation of cells by increasing the cell membrane permeability, inducing competence for DNA uptake (allowing DNA fragments to enter the cell more readily).

Report :

Items

Dihydrate

Anhydrous

Optimal level

Level 1

optimal

Level 1

(CaCL2)

≥74%

≥68%

≥95%

≥90%

Total alkali metal chloride (Nacl)

≤5.0%

≤5.0%

≤4.0%

≤4.0%

Total magnesium

≤0.5%

≤0.5%

≤0.5%

≤0.5%

water-insoluble

≤0.3%

≤0.30%

≤0.10%

≤0.10%

Alkalinity (Ca(OH)2)

≤0.3%

≤0.35%

≤0.20%

≤0.20%

Sulfate (CaSO4)

≤0.3%

≤0.30%

≤0.20%

≤0.20%

PH value

8-10

8-10

8-10

8-10

packaging

25Kg

50kg

25kg

50kg

Appearance shape

sheet

Sheet/block

ball

ball/block