WE ARE XIANGFAN TIANJIU CHEMICAL CO.,LTD,THE ONE OF THE MAIN MANUFACTURER OF SODIUM NITRATE(NaNO3) AND SODIUM NITRITE (NaNO2)IN CHINA sodium nitrate: Molecular Formula: NaNO3,Molecular Weight: 84.99 Physicochemical Properties: white tiny crystal, permissible to light grayish color or light yellow color. Density: 2.25720°C. It is easily soluble in water and aqueous ammonia while slightly dissolves in glycerol and acetone. It is subject to deliquescence. Applications and Usages: primarily used in chemical industry, glass industry, metallurgical industry, machinery and dyestuffs industry. Product Specification:GB/T4553-2002 sodium nitrite: Molecular Formula: NaNO2,Molecular Weight: 68.99 Physicochemical Properties: Light yellow or white crystals specific gravity 2.168 melting point 271,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. )