Tech Grade. Our sodium nitrite is in granular form, free-flowing powder. Sodium nitrite (NaNO2) is used as a color fixative. It is white to slightly yellowish. It is very soluble in water and is hygroscopic. When exposed to air, it will slowly oxidize into sodium nitrate. This is a strong oxidizing agent. It is also used in manufacturing diazo dyes, nitroso compounds, and other organic compounds. Also in dyeing and printing textile fabrics and bleaching fibers. In photography, it's used as a laboratory reagent and a corrosion inhibitor. It's also used in metal coatings for phosphatizing and detinning and it is also used in the manufacturing of rubber chemicals. It can also be used as an electrolyte in electrochemical grinding manufacturing processes. Packed in double-bagged 4 mil resealable plastic bags MSDS included Plastic Scoop included
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