タイトルまたは説明

sodium nitrite: Molecular Formula: NaNO2，Molecular Weight: *8.*9 Physicochemical Properties: Light yellow or white crystals specific gravity 2.**8 melting point **1℃, easily soluble in water difficultly soluble in alcohol and acetic acid hygroscopes , poisonous. Applications and Usages: Making nitra-compounds and azo dyes, fabric dye , fabric dye mordant and bleaching agent , metal heat treating agent , cement pre-strong agent , antifreezer etc, medicine-making and chemical industry.