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CAS NUMBER: 10124-37-5
EC NUMBER: 233-332-1
MOLECULAR FORMULA: Ca(NO3)2
MOLECULAR WEIGHT: 164.09
Calcium nitrate is an inorganic compound with the formula Ca(NO3)2.
This colourless salt absorbs moisture from the air and is commonly found as a tetrahydrate.
Calcium nitrate is mainly used as a component in fertilizers but has other applications.
Calcium nitrate is the name for a mineral which is a hydrated calcium nitrate that forms as an efflorescence where manure contacts concrete or limestone in a dry environment as in stables or caverns.
A variety of related salts are known including calcium ammonium nitrate decahydrate and calcium potassium nitrate decahydrate.
Calcium nitrate is also used to control certain plant diseases.
For example, dilute calcium nitrate (and calcium chloride) sprays are used to control bitter pit and cork spot in apple trees.
Calcium nitrate is used in waste water pre-conditioning for odour emission prevention.
The waste water pre-conditioning is based on establishing an anoxic biology in the waste water system.
In the presence of Calcium nitrate, the metabolism for sulfates stops, thus preventing formation of hydrogen sulfide.
Additionally easy degradable organic matter is consumed, which otherwise can cause anaerobic conditions downstream as well as odour emissions itself.
The concept is also applicable for surplus sludge treatment.
Calcium nitrate is used in set accelerating concrete admixtures.
This use with concrete and mortar is based on two effects.
Calcium nitrate accelerates formation of calcium hydroxide and thus precipitation and setting.
This effect is used also in cold weather concreting agents as well as some combined plasticizers.
Calcium nitrate leads to formation of iron hydroxide, whose protective layer reduces corrosion of the concrete reinforcement.
Calcium nitrate is a very common coagulant in latex production, especially in dipping processes.
Dissolved calcium nitrate is a part of the dipping bath solution.
The warm former is dipped into the coagulation liquid and a thin film of the dipping liquid remains on the former.
When now dipping the former into the latex the calcium nitrate will break up the stabilization of the latex solution and the latex will coagulate on the former.
The dissolution of calcium nitrate tetrahydrate is highly endothermic (cooling).
For this reason, calcium nitrate tetrahydrate is sometimes used for regenerable cold packs.
Calcium nitrate can be used as a part of molten salt mixtures.
Typical are binary mixtures of calcium nitrate and potassium nitrate or ternary mixtures including also sodium nitrate.
Those molten salts can be used to replace thermo oil in concentrated solar power plants for the heat transfer, but mostly those are used in heat storage.
Calcium nitrate appears as white to light gray granular solid.
May be either the anhydrous compound or the tetrahydrate.
Used in fertilizers, explosives and pyrotechnics.
Calcium nitrate is inorganic nitrate salt of calcium.
Calcium nitrate has a role as a fertilizer.
Calcium nitrate is an inorganic nitrate salt and a calcium salt.
Calcium nitrate contains a calcium(2+).
Calcium Nitrate is a white granular soluble fertilizer that has two kinds of nutrients and that is easily absorbed by the plant.
Calcium nitrate contains 15,5% nitrogen (N) and 26,5% calcium oxide (CaO).
14% of Calcium nitrate originates from nitrate (NO3) and 15% of nitrogen originates from ammonium (NH4).
Calcium nitrate that is completely soluble in water contains 19% calcium (Ca).
Soluble Calcium nitrate provides various advantages, which other fertilizers do not have, for the plants.
Calcium nitrate fertilizer can be used as a foliar spray.
This is most effective in treating and preventing blossom end rot but also cork spot and bitter pit in apples.
Calcium Nitrate is a highly water soluble crystalline Calcium source for uses compatible with nitrates and lower (acidic) pH.
All metallic Calcium nitrates are inorganic salts of a given metal cation and the nitrate anion.
Calcium nitrate is a univalent (-1 charge) polyatomic ion composed of a single nitrogen atom ionically bound to three oxygen atoms (Formula: NO3) for a total formula weight of 62.05.
Calcium nitrate compounds are generally soluble in water. Nitrate materials are also oxidizing agents.
When mixed with hydrocarbons, nitrate compounds can form a flammable mixture.
Nitrates are excellent precursors for production of ultra high purity compounds and certain catalyst and nanoscale (nanoparticles and nanopowders) materials.
Calcium Nitrate is generally immediately available in most volumes.
Ultra high purity and high purity compositions improve both optical quality and usefulness as scientific standards.
Calcium nitrate is an inorganic compound with the formula Ca(NO3)2.
This colorless salt absorbs moisture from the air and is often found as the tetrahydrate.
Calcium nitrate is mainly used as an ingredient in fertilizers, but there are other applications as well.
Calcium nitrate is the name of a mineral, which is a hydrated calcium nitrate that forms a blooming shape where manure contacts concrete or limestone in a dry environment such as a barn or cavern.
Calcium nitrate is a highly soluble source of two plant nutrients.
Calcium nitrates high solubility makes it popular for supplying an immediately available source of nitrate and calcium directly to soil, through irrigation water, or with foliar applications.
Calcium nitrate is very hygroscopic (absorbs water from the air), so when intended for soil application, proprietary coatings are applied to minimize moisture uptake.
Calcium nitrate intended for hydroponics or fertigation does not contain a conditioner, or it may be sold as a clear fluid fertilizer ready for use.
Calcium nitrate is popular in agronomic situations where a readily soluble source of nitrate or calcium is needed. Nitrate moves freely with soil moisture and can be immediately taken up by plant roots.
Unlike many other common N fertilizers, Calcium nitrate application does not acidify soils since there is no acidity producing nitrification of ammonium occurring.
Broadcast applications of Calcium nitrate are desirable in some circumstances because the risk of ammonia volatilization is eliminated with its use.
Applications of Calcium nitrate are also used to provide supplemental Ca for plant nutrition.
Some soils may contain considerable amounts of Ca, but it may not be sufficiently soluble to meet plant demands.
Since Calcium nitrate is not mobile in the plant it is important to apply Ca just-in-time in critical growth stages.
Solutions of Calcium nitrate are commonly added to irrigation water and to foliar and fruit sprays to overcome such shortcomings that can affect yield and/or quality (such as apple bitter pit), or to meet peak Ca demands during critical growth periods. Part of the popularity of Ca(NO3)2 also arises from its chloride-free nature and Ca(NO3)2 can have an ameliorating effect under saline growing conditions, combating the negative effects of Na and Cl-.
Calcium nitrate is used for waste water treatment to minimize the production of hydrogen sulfide.
Calcium nitrate is also added to concrete to accelerate setting and reduce corrosion of concrete reinforcements.
Calcium nitrate is very soluble and forms a tetrahydrate, Ca(NO3) 2·4H2O if the solution is evaporated to dryness.
The CAS number of the anhydrate is 10124-37-5 while that of the tetrahydrate is 13477-34-4.
As with the beryllium nitrate salts, variation of the nitric acid concentration affects the type of hydrate produced.
Calcium nitrate is a white cubic crystal that is hygroscopic; its density is 2.504 g/cm3 and it melts at 561°C.
Calcium nitrate is highly soluble in water and also dissolves in alcohols and acetone.
The tetrahydrate melts in its own waters of hydration at 42.7°C and loses 4H2O molecules at 132°C.
Calcium nitrate decomposes to form nitrogen oxides and CaO similar to the behavior of the other alkaline earth nitrates.
Calcium nitrate salt is soluble at 121.2 g/100 ml at 20°C and 271.2 g/100 ml at 40°C.
Calcium nitrate is mainly used as a component in fertilizers.
Calcium nitrate is the name for a mineral which is a hydrated calcium nitrate that forms as an efflorescence in places where manure contacts limestone (or concrete) in a dry environment such as caverns or stables.
Calcium nitrate is used in explosives, matches and pyrotechnics.
Other applications are in the manufacture of incandescent mantle; and as an additive to diesel fuel for corrosion inhibition.
This calciumnitrate is useful as an oxidizer but its hygroscopic nature, results in extreme deliquescence in air.
Calcium nitrate is mainly used as a flocculent in rubber latex and in refrigerant manufacture.
And Calcium nitrate is also employed in oil exploratory wells and sewage treatment.
In agriculture, Calcium nitrate is used in hydroponic culture and as a fast-effective fertilizer for acid soil.
Calcium nitrate can also be used to make fireworks, to produce explosives in national defense industry, and to paint negative poles in the electronic instrument industry.
Calcium nitrate is also a raw material in making other nitrates.
Calcium nitrate is this usage that calcium nitrate finds most of its employment in industry, other than its use in agriculture.
Calcium nitrate is a strong oxidizing agent.
Mixing Calcium nitrate with organic substances such as fuel oil or hydrocarbons or other oxidizable compounds can cause an explosion.
Calcium nitrate has been evaluated as a component for heat storage devices.
Calcium nitrate is known as Norwegian saltpeter.
Calcium nitrate is a strong oxidizer that is flammable in the presence of organic materials (such as hands).
Calcium nitrate explodes when given a hard shock.
Calcium nitrate is used in fireworks, matches, and fertilizers.
Calcium nitrate [Ca(NO3)2], also known as lime nitrate, nitrocalcite, lime saltpeter and Norwegian saltpeter, was the first chemical nitrogenous fertilizer to be marketed.
Calcium nitrate fertilizer absorbs considerable amount of water, which makes it somewhat difficult to handle.
Calcium nitrate contains 15 % nitrogen and 21 % calcium.
In a prilled form, Calcium nitrate becomes suitable for bulk mixing and the powdered form is useful in sprays.
Calcium nitrate controls the blossom-end rot of tomatoes and is used in Europe as a major source of nitrogen.
Calcium nitrate used on saline soils displaces sodium with calcium.
In addition, calcium nitrate is a non-acid forming fertilizer and improves physical properties of acidic and exhausted soils.
However, Calcium nitrates advantage as a fertilizer is offset by its extreme hygroscopic nature.
This calls for Calcium nitrates production in air-conditioned plants and the use of sealed moisture proof bags.
Calcium nitrate, in addition to its usage as a fertilizer, finds application in explosives, pyrotechnics, and inorganic chemical operations.
Calcium nitrate is another name for calcium nitrate.
Calcium nitrate was the first chemical nitrogenous fertilizer to be marketed.
Calcium nitrate process for calcium carbonate
In manufacturing nitrophosphate fertilizers by Odda process, calcium nitrate is left behind in the solution.
Calcium nitrate is highly hygroscopic and is thus very inconvenient to use as a fertilizer.
Calcium nitrate has, therefore, to be removed or modified to some other form, which is done by the nitrocarbonic process.
The process converts calcium nitrate to calcium carbonate by injecting carbon dioxide into the calcium nitrate solution.
USES:
Calcium nitrate fertilizer contains nitrate nitrogen and calcium, which are two major essential nutritious elements needed by the plants.
Calcium nitrate is the most appropriate choice for upper fertilizing for any kind of plantation, any kind of soil and every weather condition.
As Calcium nitrate provides calcium and nitrate together, it does not cause formation of remnants in the roots of plants.
These two symbatic acting does not cause high levels of electrolyte formation in the soil.
Calcium nitrate in the form of nitrate elevates absorption of soluble calcium by the roots; thereby supports the supply of calcium to the plant.
Calcium nitrate contains nitrogen in the form of nitrates.
Calcium nitrate originating from nitrates is the preferred form for plants.
Calcium nitrate facilitates absorption of nutrients such as calcium.
Especially in soil with clay may interfere with abruption of nitrogen coming from ammonium and indirectly prevents development of plants.
On the other hand Calcium nitrate is not bound by such types of soil.
When plants are in need of nitrogen the roots can easily take nitrogen originating from nitrates from the soil.
So Calcium nitrate enables fast supply of nitrogen to the plants.
Calcium nitrate is a macro nutrient consumed in large amounts by plants.
Calcium nitrate forms the infrastructure of cell wall in plants.
Calcium nitrate is usually found in soil in the form of compounds, which cannot be absorbed by plants.
Circulation of Calcium nitrate is generally low inside the plants.
Calcium nitrates found in soil may not satisfy the needs of plants.
Calcium nitrate has a low solubility.
Due to the above mentioned reasons we need to use fertilizers containing calcium.
Plants cannot grow without calcium.
Calcium nitrate is one of the most consumed nutritious elements by plantations together with nitrogen and potassium.
Calcium nitrate has refreshing effects on the soil as well as being a good nutrient for plants.
Calcium nitrate enables absorption of other nutrients that are bound clay minerals in soil.
Calcium nitrate particles may be pressed together in soil types, which contain too little calcium or too much sodium or which are being watered.
As a result movement of water and oxygen is slowed down and plant growth is impaired.
Water soluble calcium helps separation of clay particles and maintains porous structure of the soil.
Calcium nitrate is used in wastewater preconditioning to prevent odor emission.
Wastewater preconditioning is based on establishing an anoxic biology in the wastewater system.
Calcium nitrate is used in accelerating concrete admixtures.
This use of concrete and mortar is based on two effects.
The calcium ion accelerates the formation of calcium hydroxide and thus accelerates precipitation and precipitation.
Calcium nitrate is a very common coagulant in latex production, especially in dipping processes.
Dissolved calcium nitrate is part of the immersion bath solution.
Calcium nitrate is immersed in the heat-generating coagulation liquid and a thin film of the immersion liquid remains on the former.
The dissolution of Calcium nitrate is extremely endothermic (cooling).
For this reason, Calcium nitrate is sometimes used for renewable cold packs.
Calcium nitrate can be used as part of molten salt mixtures.
Typically there are binary mixtures of calcium nitrate and potassium nitrate, or ternary mixtures, including sodium nitrate.
These molten salts can be used to replace thermo oil in concentrated solar power plants for heat transfer, but they are mostly used for heat storage.
Calcium nitrate is used in fertilizers, explosives and pyrotechnics.
Calcium nitrate can be applied in irrigation systems (especially drip irrigation) in the form of direct soil application or foliar application in order to eliminate and treat calcium deficiency in agricultural plants.
Calcium nitrate can be applied directly from the leaves or soil in all kinds of vegetables and fruits.
Since Calcium nitrate dissolves in 100% water and leaves no residue, Calcium nitrate does not clog drip irrigation pipes.
Calcium nitrate accelerates the combustion of non-flammable but combustible materials.
An explosion may occur if large quantities contain fire or if combustible material is finely divided.
Prolonged exposure to fire and heat may cause an explosion.
May explode if shocked or heated Heating causes the release of toxic nitrogen oxides.
Mixtures with alkyl esters may explode due to formation of alkyl nitrates; mixtures with phosphorus, tin(II) chloride or other reducing agents may react explosively
Calcium nitrate is a speciality fertiliser with high concentrations of nitrogen (N; 15.2%) and calcium (CaO; 27.5%).
Owing to a patented production process, Calcium nitrate is characterised by several unique properties.
The solubility of the product is 2.4kg/l at 20oC and its rapid and complete dissolution in water makes the nutrients quickly available to plants.
The fertiliser is formulated as fully water-soluble, free-flowing flakes without any impurities or an anticaking agent.
As a result of relatively low hygroscopicity, there is still no risk of caking.
Another advantage of the product is its low ammonia content (0.7%).
Calcium nitrate is an effective source of calcium and nitrate-nitrogen.
Calcium nitrate is mainly recommended for foliar application, hydroponics and fertigation.
Calcium nitrate ensures quick and effective fertilisation of plants with macro- and secondary-nutrients.
Calcium nitrate is the main building block of proteins; it therefore plays a crucial role in plants’ vegetative growth and impacts yield productivity.
Calcium nitrate in this product ensures its fast uptake by plants, resulting in quick deficiency correction.
Calcium is a structural component of cell walls.
Calcium nitrates deficiency reduces the mechanical strength of plants and their resistance to pests and diseases, especially at the post-harvest stage.
Calcium nitrate enables growers to correct calcium deficiency quickly and eliminate the physiological diseases it causes (such as bitter pit, glassiness and blossom-end rot).
Calcium nitrate contributes to firmness and uniform ripening in fruits and vegetables; it also extends their storage capacity and durability during transportation.
The high concentration of nutrients in this fertiliser meets the needs of even the most demanding plants.
APPLICATIONS:
Calcium nitrate is used in the following conditions and applications.
Calcium nitrate is a very common coagulant in latex production, especially in dipping processes.
Calcium nitrate can be used as part of the fused salt mixtures.
Can be used in fertilizers, explosives and pyrotechnics.
Calcium nitrate can be applied in irrigation systems (especially drip irrigation) with direct soil application or foliar for the treatment and treatment of calcium deficiency in agricultural crops.
Calcium nitrate is used in wastewater to prevent odor emission.
In the presence of Calcium nitrate, metebolism is stopped for sulfates, thus formation of hydrogen sulfide is prevented.
PHYSICAL AND CHEMICAL PROPERTIES:
-Density: 1.82 g/cm3
-Melting Point: 45 °C
-pH value: 5.5 - 7.0 (H₂O)
-Bulk density: 1000 kg/m3
-Solubility: 2710 g/l
PROPERTIES:
-Quality Level: 300
-grade: ACS reagent
-assay: 99.0-102.0% (complexometric)
-form: solid
-potency: 3900 mg/kg LD50, oral (Rat)
-pH: 5.0-7.0 (25 °C, 50 g/L in H2O)
-mp: 45 °C
-solubility: 2710 g/L
-density: 1.82 g/cm3 at 20 °C
-bulk density: 1000 kg/m3
ADVANTAGES:
-Increases productivity and quality of products.
-Increases resistance to diseases and pests.
-Increases durability when the products are transported.
-Increases lifetime for storage of fruits.
-Facilitates calcium and nitrate absorption.
-Contains no additives or fillers.
-Will not evaporate, be washed away or cause burns.
-Will not cause an alkali soil.
-Will not increase the salts in soil.
STORAGE:
Separated from combustible substances and reducing agents.
Dry.
SYNONYM:
Calcium dinitrate
Lime nitrate
Nitric acid, calcium salt
Norwegian saltpeter
Lime saltpeter
Norge saltpeter
Calcium saltpeter
calcium;dinitrate
Calcium(II) nitrate (1:2)
UNII-NF52F38N1N
NF52F38N1N
Nitrocalcite
CHEBI:64205
Saltpeter
Synfat 1006
HSDB 967
UN1454
calcium nitrate salt
Calcium Nitrate ACS
anhydrous calcium nitrate
CaN2O6
EC 233-332-1
DSSTox_CID_19719
DSSTox_RID_79435
