Alibaba offers 647 99%min sodium carbonate na2co3 powder products. about 1% of these are food additives, 1% are animal pharmaceuticals, and 1% are vitamins, amino acids and coenzymes. a wide variety of 99%min sodium carbonate na2co3 powder options are available to you, such as medicine grade, food grade, and agriculture grade. China soda ash light, china soda ash light suppliers and manufacturers directorysource a large selection of soda ash light products at soda ash ,soda ash dense ,industrial grade soda ash from china alibaba ... china sodium carbonate 99.2% (soda ash 99.2%) light and dense specification a. 0.003 w ater insolubles % 0.03max. 0.008 storage ... Comments: i use this sodium carbonate (aka washing soda) in laundry detergent. i love that it comes in handy 5 lb bags, and that it is truly fragrance free. if you've bought washing soda at the grocery store (usually arm & hammer brand), take a whiff of it and you'll find it has a bit of a fragrance added to it. 12,477 sodium carbonate products are offered for sale by suppliers on alibaba, of which carbonate accounts for 81%, alkali accounts for 1%, and other chemicals accounts for 1%. a wide variety of sodium carbonate options are available to you, such as agriculture grade, industrial grade, and food grade.