SPECIFICATION Molecular formula: NaNO2 Molecular weight: 69.00 Specific gravity: 2.168 Melting point: 271 Appearance: White or light yellow crystal Packaging: Woven bags with vinyon outside,film moistureproof bags inside. NW:25kg /bag NaNO2 content % (dry basis) min 99.0 NaNO3 content % (dry basis) max 0.80 Moisture content % max 2.0 Water insoluble substance % max 0.05