... 1H2/q+1;/p-1 YKey: HEMHJVSKTPXQMS-UHFFFAOYSA-M Y InChI=1/Na.H2O/h;1H2/q+1;/p ... crystalsDensity2.13 g cm−3Melting point318 °C, 591 K, 604 °FBoiling point1388 °C, 1661 K, 2530 °FSolubility in ... water1110 g/L (at 20 °C)Solubility in methanol238 g/LSolubility in ethanol<<139 g ... /LVapor pressure<18 mmHg (at 20 °C)Acidity (pKa)13Refractive index (nD)1.412HazardsMSDSExternal MSDSEU ...