Calcium Nitrate

Other Trading Names:

  • Calcium dinitrate
  • Calcium saltpeter
  • Calcium(II) nitrate

CAS Number: 10124-37-5

HS Code: 2834299090

Types of Packaging:

  • 25kg/bag
  • 1000kg/bags
Inquiry right-arrow $100.00
Availability: In stock
Calcium Nitrate

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Chemical Name

Calcium nitrate



Molecular Formula


CAS Number



White crystal

Grade Standard

Food Grade


soluble in ethanol, methanol, acetone

Melting Point

561 ºC

Boiling Point

130-140 ºC


2.36 g/cm3

Chemical Description

  • Calcium Nitrate, known chemically as Ca(NO3)2, is a versatile inorganic compound that is highly soluble in water. It is most commonly encountered as a tetrahydrate, Ca(NO3)2·4H2O, which appears as white granules or crystals. This compound has a dual role, serving both as a source of calcium and nitrogen, two essential nutrients for plant growth.
  • In agriculture, Calcium Nitrate is extensively used as a nitrogen fertilizer. It provides a readily available source of nitrate nitrogen, which is easily absorbed by plants, promoting vigorous growth and helping to enhance crop yield and quality. The calcium component is crucial for maintaining cell integrity, thus preventing diseases and aiding in the growth of fruits and vegetables.
  • In the construction industry, Calcium Nitrate is added to concrete mixtures as a setting accelerator. It improves the strength of concrete, reduces setting time, and helps prevent the formation of ice in cold weather, making it essential for winter construction projects.
  • Calcium Nitrate also finds applications in wastewater treatment, where it acts as a coagulant to remove contaminants and impurities from water. Its use in this sector helps in maintaining cleaner water systems and reduces environmental pollution.
  • In the manufacturing of explosives, Calcium Nitrate serves as an oxidizing agent, contributing to the production of smokeless powders and other explosive materials.
  • The compound is employed in the production of cold packs. When dissolved in water, Calcium Nitrate absorbs heat, providing an endothermic reaction that is used for first-aid treatment to reduce swelling and pain.
  • In the food industry, Calcium Nitrate is utilized as a firming agent in canned vegetables and as a source of calcium in various food products, contributing to the nutritional value of foods.
  • Its application extends to the prevention of odor in sewage systems by inhibiting the formation of hydrogen sulfide, a toxic and foul-smelling gas.
  • Due to its highly soluble nature, Calcium Nitrate is also used in hydroponics and aquaponics systems, providing essential nutrients in a form that is readily available to plants grown in water-based environments.
  • Overall, Calcium Nitrate is a vital component across various sectors, offering benefits in agriculture, construction, water treatment, and beyond. Its versatility and effectiveness make it a valuable resource in industrial and agricultural applications alike.
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Calcium Nitrate