... delivery 4.Factory direct sale FOOD GRADE SODIUM BICARBONATE 99%MIN (BAKING SODA)sodium bicarbonate characteristics:White powder or tiny crystalls,nodorousand ... Decomposed slowly when exposd to moist air.Uses: Used as food fermentation,detergent ingredient,carbondoxide foamer,pharmacy,leather,ore milling and ... %≤0.0001%Heavy Metal Content≤0.0005%Ammonium Salt—— food grade sodium bicarbonate 99%min