Use:Mordant dyeing, silk, linen bleaching agent, metal heat treatment, plating corrosion inhibitors, chemical analysis reagent.\

Property:Appearance of white or slight yellow, orthorhombic crystals or powder. Slight salty taste, easily deliquescence, soluble in water, moisture absorption and strong. And organic matter, sulfur mix can cause a fire and explosion, with the oxidation and reduction. Quality standard:

Item	Indicator
	Excellent	First grade	Qualified
Sodium content(dry basis)	≥99.0%	≥98.5%	≥98.0%
Water content	≤1.4%	≤2.0%	≤2.5%
Chloride (dry basis)	≤0.10%	≤0.17%	-
Water insoluble (dry basis)	≤0.05%	≤0.06%	-
Sodium nitrate (dry basis)	≤0.80%	≤1.00%	≤1.90%

Sodium nitrite