Calcium nitrate

$118
Product name: Calcium nitrate
CAS: 10124-37-5
MF: CaN2O6
MW: 164.09
EINECS:233-332-1
MDL Number:MFCD00010899
Synonyms:nitricacid,calciumsalt ;nitrocalcite ;calciumionchromatographystdsol.fluka ;calciumsaltpeter ;limesaltpeter ;Norwegian saltpetre;Calcium ICP standard concentrate 1,000 g Ca;Calcium nitrate trihydrate, 99.999%

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Sigma-Aldrich

Package

100mL

ManufacturerSigma-Aldrich
Product number1.70308
Product descriptionCalcium ICP Standard traceable to SRM from NIST Ca(NO?)? in HNO? 2-3% 1000 mg/l Ca Certipur?
Packaging100mL
Price$118
Updated2026-04-30
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Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
Sigma-Aldrich	1.70308	Calcium ICP Standard traceable to SRM from NIST Ca(NO?)? in HNO? 2-3% 1000 mg/l Ca Certipur?	100mL	$118	2026-04-30	Buy

Properties

Melting point :561°C
Boiling point :130-140 °C
Density :2.36
storage temp. :15-25°C
solubility :soluble in ethanol, methanol, acetone
form :Liquid
color :white cubic crystals, crystalline; hygroscopic
PH :0.5 (20°C in H2O)
Flame Color :Redish
Water Solubility :Soluble
Specific Heat Capacity :Cp(crystal): 0.91 J/(g·K), at 25℃
Major Application :industrial qc
pharmaceutical LogP :-0.129 (est)
CAS DataBase Reference :10124-37-5(CAS DataBase Reference)
EPA Substance Registry System :Calcium nitrate (10124-37-5)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning		P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning		P264, P280, P305+P351+P338,P337+P313P

Precautionary statements:

P264	Wash hands thoroughly after handling.
P264	Wash skin thouroughly after handling.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352	IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321	Specific treatment (see … on this label).
P332+P313	IF SKIN irritation occurs: Get medical advice/attention.
P362	Take off contaminated clothing and wash before reuse.

Description

Calcium nitrate has the molecular formula of Ca(NO3)2 and the molecular weight of 164.0935 g/mol. Its CAS number is 10124-37-5. Calcium nitrate may be prepared by the reaction of nitric acid with calcium carbonate or calcium sulfide:
CaCO3 + 2HNO3 Ca(NO3)2 + CO +H2O
CaS + 2HNO3 Ca(NO3)2 +H2S
It 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. The trihydrate is known (CAS number 10124-37-5) but not the monohydrate. The anhydrate is a white cubic crystal that is hygroscopic; its density is 2.504 g/cm3 and it melts at 561°C. This salt 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. It decomposes to form nitrogen oxides and CaO similar to the behavior of the other alkaline earth nitrates. The anhydrous salt is soluble at 121.2 g/100 ml at 20°C and 271.2 g/100 ml at 40°C.

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Calcium nitrate

Properties

Safety Information

Description

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