<Table> Calcium nitrate <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Names </Th> </Tr> <Tr> <Td_colspan="2"> Other names Kalksalpeter, nitrocalcite, Norwegian saltpeter, lime nitrate </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Td> CAS Number </Td> <Td> <Ul> <Li> 10124 - 37 - 5 </Li> <Li> 13477 - 34 - 4 (tetrahydrate) </Li> </Ul> </Td> </Tr> <Tr> <Td> 3D model (JSmol) </Td> <Td> <Ul> <Li> Interactive image </Li> </Ul> </Td> </Tr> <Tr> <Td> ChemSpider </Td> <Td> <Ul> <Li> 23336 </Li> </Ul> </Td> </Tr> <Tr> <Td> ECHA InfoCard </Td> <Td> 100.030. 289 </Td> </Tr> <Tr> <Td> PubChem CID </Td> <Td> <Ul> <Li> 24963 </Li> </Ul> </Td> </Tr> <Tr> <Td> RTECS number </Td> <Td> EW2985000 </Td> </Tr> <Tr> <Td> UNII </Td> <Td> <Ul> <Li> NF52F38N1N </Li> </Ul> </Td> </Tr> <Tr> <Td> UN number </Td> <Td> 1454 </Td> </Tr> <Tr> <Td_colspan="2"> InChI (show) <Ul> <Li> InChI = 1S / Ca. 2NO3 / c; 2 * 2 - 1 (3) 4 / q + 2; 2 * - 1 Key: ZCCIPPOKBCJFDN - UHFFFAOYSA - N </Li> <Li> InChI = 1 / Ca. 2NO3 / c; 2 * 2 - 1 (3) 4 / q + 2; 2 * - 1 Key: ZCCIPPOKBCJFDN - UHFFFAOYAF </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> SMILES (show) <Ul> <Li> (Ca + 2). (O -) (N+) ((O -)) = O. (O -) (N+) ((O -)) = O </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Properties </Th> </Tr> <Tr> <Td> Chemical formula </Td> <Td> Ca (NO) </Td> </Tr> <Tr> <Td> Molar mass </Td> <Td> 164.088 g / mol (anhydrous) 236.15 g / mol (tetrahydrate) </Td> </Tr> <Tr> <Td> Appearance </Td> <Td> colorless solid hygroscopic </Td> </Tr> <Tr> <Td> Density </Td> <Td> 2.504 g / cm (anhydrous) 1.896 g / cm (tetrahydrate) </Td> </Tr> <Tr> <Td> Melting point </Td> <Td> 561 ° C (1,042 ° F; 834 K) (anhydrous) 42.7 ° C (109 ° F; 316 K) (tetrahydrate) </Td> </Tr> <Tr> <Td> Boiling point </Td> <Td> decomposes (anhydrous) 132 ° C (270 ° F; 405 K) (tetrahydrate) </Td> </Tr> <Tr> <Td> Solubility in water </Td> <Td> anhydrous: 1212 g / L (20 ° C) 2710 g / L (40 ° C) tetrahydrate: 1050 g / L (0 ° C) 1290 g / L (20 ° C) 3630 g / L (100 ° C) </Td> </Tr> <Tr> <Td> Solubility </Td> <Td> soluble in ammonia almost insoluble in nitric acid </Td> </Tr> <Tr> <Td> Solubility in ethanol </Td> <Td> 51.4 g / 100 g (20 ° C) 62.9 g / 100 g (40 ° C) </Td> </Tr> <Tr> <Td> Solubility in methanol </Td> <Td> 134 g / 100 g (10 ° C) 144 g / 100 g (40 ° C) 158 g / 100 g (60 ° C) </Td> </Tr> <Tr> <Td> Solubility in acetone </Td> <Td> 16.8 g / kg (20 ° C) </Td> </Tr> <Tr> <Td> Acidity (pK) </Td> <Td> 6.0 </Td> </Tr> <Tr> <Td> Magnetic susceptibility (χ) </Td> <Td> - 45.9 10 cm / mol </Td> </Tr> <Tr> <Th_colspan="2"> Structure </Th> </Tr> <Tr> <Td> Crystal structure </Td> <Td> cubic (anhydrous) monoclinic (tetrahydrate) </Td> </Tr> <Tr> <Th_colspan="2"> Hazards </Th> </Tr> <Tr> <Td> Safety data sheet </Td> <Td> ICSC 1037 </Td> </Tr> <Tr> <Td> R - phrases (outdated) </Td> <Td> R22, R41 </Td> </Tr> <Tr> <Td> NFPA 704 </Td> <Td> 0 OX </Td> </Tr> <Tr> <Td> Flash point </Td> <Td> Non-flammable </Td> </Tr> <Tr> <Td_colspan="2"> Lethal dose or concentration (LD, LC): </Td> </Tr> <Tr> <Td> LD (median dose) </Td> <Td> 302 mg / kg (rat, oral) </Td> </Tr> <Tr> <Th_colspan="2"> Related compounds </Th> </Tr> <Tr> <Td> Other anions </Td> <Td> Calcium sulfate Calcium chloride </Td> </Tr> <Tr> <Td> Other cations </Td> <Td> Magnesium nitrate Strontium nitrate Barium nitrate </Td> </Tr> <Tr> <Td_colspan="2"> Except where otherwise noted, data are given for materials in their standard state (at 25 ° C (77 ° F), 100 kPa). </Td> </Tr> <Tr> <Td_colspan="2"> N verify (what is?) </Td> </Tr> <Tr> <Td_colspan="2"> Infobox references </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Names </Th> </Tr>

What is the molar mass of calcium nitrate
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