1.lower Nacl% 2.stable quality, long term supply at competitive price 3 ... White granular (soda ash dense), white crystalline powder (soda ash light), anhydrous substance, easily Soluble in water, presenting alkaline solution, ... crystal powder Solubility: Easily soluble in water Purity: 99% -99.2%min. Chlorides: 0.7% max. Fe: 0.004% max. ... stored under cover in a cool, dry place. 99.2% soda ash light