In case of sodium (Na) salt of this acid [cas 5449-12-7], you can skip first stage of NaOH addition and start from acid hydrolysis.
G.Patton
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There is a question here, it says "the NaOH reflux step can be skipped if using the sodium salt (5449-12-7)", but if so the reaction conditions will be the same as using 41232-97-7 or 80532-66-7 directly Different, because they add distilled water in the NaOH reflux stage, 35% hydrochloric acid or 45% sulfuric acid is added on this basis, the acid concentration will be completely different from skipping this step. So what I want to ask is, if the dry solid sodium salt (5449-12-7) is used here, do I need to add distilled water according to the amount of NaOH reflux step, or directly use 35% hydrochloric acid or 45% sulfuric acid and solid Can sodium salt (5449-12-7) be mixed?
do I need to add distilled water according to the amount of NaOH reflux step