... is also slowly oxidized by oxygen in the air to sodium nitrate, NaNO3. The compound is a strong oxidizing agent. Greenish yellow orthorhombic ... agent of fabric dyeing, used as the metal heat treatment agent, the cement early strength agent, the antifreeze, etc. It is also used ... dry storehouse. Keep away from kindling material and heat source, the packaging should be sealed, can not keep in touch with ...