<Table> Potassium bisulfite <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Names </Th> </Tr> <Tr> <Td_colspan="2"> IUPAC name Potassium hydrogen sulfite </Td> </Tr> <Tr> <Td_colspan="2"> Other names Potassium bisulfite, potassium bisulphite solution, sulfurous acid, monopotassium salt, monopotassium sulfite </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Td> CAS Number </Td> <Td> <Ul> <Li> 7773 - 03 - 7 </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> 22889 </Li> </Ul> </Td> </Tr> <Tr> <Td> ECHA InfoCard </Td> <Td> 100.028. 973 </Td> </Tr> <Tr> <Td> EC Number </Td> <Td> 231 - 870 - 1 </Td> </Tr> <Tr> <Td> E number </Td> <Td> E228 (preservatives) </Td> </Tr> <Tr> <Td> PubChem CID </Td> <Td> <Ul> <Li> 23663620 </Li> </Ul> </Td> </Tr> <Tr> <Td> UNII </Td> <Td> <Ul> <Li> QJK5LO891P </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> InChI (show) <Ul> <Li> InChI = 1S / K. H2O3S / c; 1 - 4 (2) 3 / h; (H2, 1, 2, 3) / q + 1; / p - 1 </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> SMILES (show) <Ul> <Li> OS (= O) (O -). (K+) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Properties </Th> </Tr> <Tr> <Td> Chemical formula </Td> <Td> KHSO </Td> </Tr> <Tr> <Td> Molar mass </Td> <Td> 120.1561 g / mol </Td> </Tr> <Tr> <Td> Appearance </Td> <Td> White crystalline powder </Td> </Tr> <Tr> <Td> Odor </Td> <Td> SO </Td> </Tr> <Tr> <Td> Melting point </Td> <Td> 190 ° C (374 ° F; 463 K) (decomposes) </Td> </Tr> <Tr> <Td> Solubility in water </Td> <Td> 49 g / 100 mL (20 ° C) 115 g / 100 mL (100 ° C) </Td> </Tr> <Tr> <Td> Solubility </Td> <Td> insoluble in alcohol </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>

Study of effect of potassium bisulphite as a food preservative wikipedia