<Table> Potassium aluminium sulfate <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Names </Th> </Tr> <Tr> <Td_colspan="2"> IUPAC name Aluminium potassium sulfate dodecahydrate </Td> </Tr> <Tr> <Td_colspan="2"> Other names Potassium alum Potash alum Alum - (K) phitkari </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Td> CAS Number </Td> <Td> <Ul> <Li> 10043 - 67 - 1 </Li> <Li> 7784 - 24 - 9 (dodecahydrate) </Li> </Ul> </Td> </Tr> <Tr> <Td> 3D model (JSmol) </Td> <Td> <Ul> <Li> Interactive image </Li> </Ul> </Td> </Tr> <Tr> <Td> ChEBI </Td> <Td> <Ul> <Li> CHEBI: 86463 </Li> </Ul> </Td> </Tr> <Tr> <Td> ECHA InfoCard </Td> <Td> 100.030. 116 </Td> </Tr> <Tr> <Td> PubChem CID </Td> <Td> <Ul> <Li> 24856 </Li> </Ul> </Td> </Tr> <Tr> <Td> UNII </Td> <Td> <Ul> <Li> 09OXB01F3O </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> InChI (show) <Ul> <Li> InChI = 1S / Al. K. 2H2O4S / c;; 2 * 1 - 5 (2, 3) 4 / h;; 2 * (H2, 1, 2, 3, 4) / q + 3; + 1;; / p - 4 </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> SMILES (show) <Ul> <Li> (O -) S (= O) (= O) (O -). (O -) S (= O) (= O) (O -). (Al + 3). (K+) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Properties </Th> </Tr> <Tr> <Td> Chemical formula </Td> <Td> KAl (SO) 12H O </Td> </Tr> <Tr> <Td> Molar mass </Td> <Td> 474.3884 g / mol (Hydrate) </Td> </Tr> <Tr> <Td> Appearance </Td> <Td> white small crystals </Td> </Tr> <Tr> <Td> Odor </Td> <Td> watery metallic </Td> </Tr> <Tr> <Td> Density </Td> <Td> 1.725 g / cm </Td> </Tr> <Tr> <Td> Melting point </Td> <Td> 92 to 95 ° C (198 to 203 ° F; 365 to 368 K) </Td> </Tr> <Tr> <Td> Boiling point </Td> <Td> 200 ° C (392 ° F; 473 K) </Td> </Tr> <Tr> <Td> Solubility in water </Td> <Td> 14.00 g / 100 mL (20 ° C) 36.80 g / 100 mL (50 ° C) </Td> </Tr> <Tr> <Td> Solubility </Td> <Td> insoluble in acetone </Td> </Tr> <Tr> <Td> Refractive index (n) </Td> <Td> 1.4564 </Td> </Tr> <Tr> <Th_colspan="2"> Hazards </Th> </Tr> <Tr> <Td> NFPA 704 </Td> <Td> 0 0 </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>

Molar mass of alum kal(so4)2 • 12h2o