What is Calcium nitrate?
{{chembox | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 477003207 | Name = Calcium nitrate | ImageFile = calcium nitrate.png | ImageSize = 150px | ImageFile2 = Dusičnan vápenatý.JPG | ImageSize2 = 220px | ImageName = picture of constituent ions | IUPACName = | OtherNames = Kalksalpeter, nitrocalcite, Norwegian saltpeter, lime nitrate |Section1={{Chembox Identifiers | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID = 23336 | InChI = 1/Ca.2NO3/c;2*2-1(3)4/q+2;2*-1 | SMILES = [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O | InChIKey = ZCCIPPOKBCJFDN-UHFFFAOYAF | StdInChI_Ref = {{stdinchicite|correct|chemspider}} | StdInChI = 1S/Ca.2NO3/c;2*2-1(3)4/q+2;2*-1 | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey = ZCCIPPOKBCJFDN-UHFFFAOYSA-N | CASNo = 10124-37-5 | CASNo_Ref = {{cascite|correct|CAS}} | CASNo2_Ref = {{cascite|changed|??}} | CASNo2 = 13477-34-4 | CASNo2_Comment = (tetrahydrate) | UNII_Ref = {{fdacite|changed|FDA}} | UNII = NF52F38N1N | PubChem = 24963 | RTECS = EW2985000 | UNNumber = 1454 }} |Section2={{Chembox Properties | Formula = Ca(NO<sub>3</sub>)<sub>2</sub> | MolarMass = 164.088 g/mol (anhydrous) <br> 236.15 g/mol (tetrahydrate) | Appearance = colorless solid <br> [[hygroscopic]] | Density = 2.504 g/cm<sup>3</sup> (anhydrous)<br/>1.896 g/cm<sup>3</sup> (tetrahydrate) | Solubility = ''anhydrous:'' <br> 1212 g/L (20&nbsp;°C) <br/> 2710 g/L (40&nbsp;°C) <hr> ''tetrahydrate:'' <br> 1050 g/L (0&nbsp;°C) <br> 1290 g/L (20&nbsp;°C) <br> 3630 g/L (100&nbsp;°C) | Solubility1 = 51.4 g/100 g (20&nbsp;°C)<br> 62.9 g/100 g (40&nbsp;°C)<ref name=chemister>{{cite web|last = Anatolievich|first = Kiper Ruslan|url = http://chemister.ru/Database/properties-en.php?dbid=1&id=558|title = Properties of substance: calcium nitrate|access-date = 2015-09-09|archive-date = 2015-06-24|archive-url = https://web.archive.org/web/20150624025121/http://chemister.ru/Database/properties-en.php?dbid=1&id=558|url-status = dead}}</ref> | Solvent1 = ethanol | Solubility2 =