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Nitrates and nitrites

Calcium nitrate

Also known as Calcium dinitrate, Lime nitrate, Nitric acid, calcium salt

CAS 10124-37-5Formula CaN2O6Molar mass 164.09 g/molEC 233-332-1
GHS signal word: Danger. Pictograms: Oxidiser, Corrosive, Harmful or irritant 261 suppliers listed
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Calcium nitrate chemical structure, CaN2O6, CAS 10124-37-5
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Deliquescent granules
Melting point
Ca. 560
Density
2.50 g/cm³
Solubility
Very sol in water, freely sol in methanol, ethanol, acetone, almost insol in concn nitri…
HS code
283429
Category
Nitrates and nitrites
UN number
UN 1454
Illustrative photo, a shrink wrapped pallet of kraft paper sacks in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Calcium nitrate?

Plain description, key identifiers and synonyms

Calcium nitrate is inorganic nitrate salt of calcium. It has a role as a fertilizer. It is a calcium salt and an inorganic nitrate salt. It contains a calcium(2+).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
calcium dinitrate
CAS number
10124-37-5 CAS number cross-checked
EC number
233-332-1
Molecular formula
CaN2O6
UNII
NF52F38N1N
MDL number
MFCD00010899
InChIKey
ZCCIPPOKBCJFDN-UHFFFAOYSA-N
InChI
InChI=1S/Ca.2NO3/c;2*2-1(3)4/q+2;2*-1
SMILES (canonical and isomeric)
[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Ca+2]

Synonyms

  • Calcium dinitrate
  • Lime nitrate
  • Nitric acid, calcium salt
  • Norwegian saltpeter
  • Norge saltpeter
  • Lime saltpeter
  • Calcium saltpeter
  • Synfat 1006
  • Calcium(II) nitrate (1:2)
  • Saltpeter [Norway]
  • Nitric acid, calcium salt (2:1)
  • Nitric acid calcium salt (2:1)
  • anhydrous calcium nitrate
  • Saltpeter (norway)
  • calcium, dinitrate
  • Nitrocalcite
  • 10124-37-5(anhydrous), 13477-34-4(tetrahydrate)
  • CaN2O6
  • calcium nitrate salt
  • calcium dinitrate hydrate
  • Calcium nitrate anhydrous
  • Ca(NO3)2.xH2O
  • Ca(NO3)2
  • Calcium nitrate, containing in the anhydrous state more than 16 per cent by weight of nitrogen
  • Calcium nitrate [UN1454] [Oxidizer]
Show all 27 synonyms
  • 10124-37-5(anhydrous)13477-34-4(tetrahydrate)
  • Calcium standard for AAS, analytical standard, ready-to-use, traceable to BAM, in nitric acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Deliquescent granulesexp.
Melting point
Ca. 560exp.
Density
2.50 g/cm³exp.
Solubility
Very sol in water, freely sol in methanol, ethanol, acetone, almost insol in concn nitric acidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
164.09 g/molcalc.
Exact mass
163.9382 Dacalc.
LogP (octanol/water)
-0.86calc.
Topological polar surface area
132.4 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
0calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS03: Oxidiser
Oxidiser
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H272May intensify fire, oxidiser.
  • H290May be corrosive to metals.
  • H302Harmful if swallowed.
  • H314Causes severe skin burns and eye damage.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
Precautionary statements (30)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P220Keep away from clothing and other combustible materials.
  • P234Keep only in original packaging.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P390Absorb spillage to prevent material damage.
  • P405Store locked up.
  • P406Store in a corrosion resistant container with a resistant inner liner.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1454
Transport hazard class
5.1
Packing group
III

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Calcium nitrate suppliers

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All 261 suppliers
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Where suppliers are based

261 suppliers in 39 countries

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Calcium nitrate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

In explosives, fertilizers, matches, pyrotechnics, mfr of incandescent mantles, radio tubes, nitric acid, corrosion inhibitor in diesel fuels.

Powerful oxidizing agent.

Secondary macronutrient (in fertilizer).

Industrial uses: Viscosity modifiers, Soil amendments (fertilizers), Preservative, Surface modifier, Intermediate, Drier, Flocculating agent.

Consumer uses: Anti-freeze agent, Fuel agents, Chemical reaction regulator, Deodorizer, Soil amendments (fertilizers), Adhesion/cohesion promoter, Drier.

Roles

  • agrochemical
  • fertilizer

Functional uses

  • Chemical reaction regulator

How it is made

Preparation: Gmelin's Calcium (8th ed) 28B, 59-69, 341-382 (1956).

Calcium nitrate is obtained by dissolving limestone in nitric acid or through absorption of nitrous gases by milk of lime.

Currently is produced in large quantities as by-product from nitrophosphate manufacture

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Calcium nitrate is traded under.

HS 2834.29Indicative HS code

Nitrates, other

World exports in 2024
$338M
−26.0% vs 2023, imports $353M
2019 to 2024
Top exporters
  1. China28.9%
  2. Malaysia9.2%
  3. Norway * partner reported7.5%
Top importers
  1. United States7.8%
  2. Germany6.2%
  3. Australia4.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Calcium nitrate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Calcium nitrate, based on the data on this page

What is Calcium nitrate?

Calcium nitrate is inorganic nitrate salt of calcium. It has a role as a fertilizer. It is a calcium salt and an inorganic nitrate salt. It contains a calcium(2+).

What is the CAS number of Calcium nitrate?

The CAS registry number of Calcium nitrate is 10124-37-5.

What is the molecular formula and weight of Calcium nitrate?

The molecular formula of Calcium nitrate is CaN2O6 and its molar mass is 164.09 g/mol.

What is Calcium nitrate used for?

In explosives, fertilizers, matches, pyrotechnics, mfr of incandescent mantles, radio tubes, nitric acid, corrosion inhibitor in diesel fuels. Powerful oxidizing agent. Secondary macronutrient (in fertilizer).

Is Calcium nitrate hazardous?

Calcium nitrate carries the GHS signal word "Danger". Main hazards: may intensify fire, oxidiser, may be corrosive to metals, harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Calcium nitrate?

Calcium nitrate is usually classified under HS code 283429 (Nitrates, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Calcium nitrate?

CompoundList lists 261 suppliers of Calcium nitrate in India, China, United States, United Kingdom and 35 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Calcium nitrate in India?

95 suppliers in India list Calcium nitrate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Calcium nitrate?

Suppliers quote Calcium nitrate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Calcium nitrate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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