... 4[Appearance]Odorless, colorless, transparent crystals, white granules or powder, hygroscopic, deliquescent.[Solubility in water]815 g/L[Melting ... in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.[Handling]Wash ... Standards:GB2367-2006) ItemUnitMolten salt GHigh GFirst GQualified GDry powder GAssay%≥99.399.098.598.098.5Sodium nitrate%≤0.60 ...