... granular Soda Ash Dense and LightCas No.: 497-19-8 Formula: Na2CO3 Molecular weight: 105.99(in accordance with the ... of relative atomic mass in 1999) Application: Mainly used in chemical industry, glass-manufacturing, metallurgy, paper-manufacturing, textile, dyeing, ... dyeing, bleaching, paper making, refined petroleum, metallurgy and other chemical industries Sodium carbonate soda ash 99.2