Sodium bicarbonate
Sodium bicarbonate is a white crystal or an opaque monoclinic fine crystal. The proportion is 2.15. Odorless, non-toxic, salty, soluble in water, slightly soluble in ethanol. It is soluble in 10 parts of water at 25 ° C and 12 parts of water at about 18 ° C. The aqueous solution is slightly alkaline due to hydrolysis, stable at room temperature, easily decomposed by heat, gradually decomposes above 50 ° C, completely loses carbon dioxide at 270 ° C, does not change in dry air, and slowly deliquesces in humid air.
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