... NO. 7632-00-0Formula NaNO2 Molecular Weight 69.01Melting point (°C) 271 boiling point (°C)320 (decomposition) relative density (water = 1) 2 ... spring color crystal, the relative density of 2.16, melting point 271 °C, soluble in water, soluble in alcohol and ... Solubility soluble in water, slightly soluble in methanol, ethanol, ethyl ether.Application used in the manufacture of dyes, medicine, etc, also ...