MW:69.00 CAS number: 7632-00-0 Standard:GB2367-90 Formula: NaNO2 Physical property data: SG:2.168 MP:271degree Celsius Appearance: Sodium Nitrite is white or slight yellow crystal Product Feature: Sodium Nitrite is white or slight yellow crystal Applications: mordant ,bleaching agent, heat treatment agent, inhibitor, reagent, vasodilator and material of chemicals . Packing: PE bag lined PP woven bag,sealed by mechanical sewing. Net wt.50kg or 25kg.