9 votes

Question about the differences of white and grey NaH properties

Sodium hydride on mineral oil is grey. When it reacts with water, for example from air humidity it reacts to NaOH which leads to discolouration which is white. One can wash NaH with hexane or THF to ...
raptorlane's user avatar
5 votes

Question about the differences of white and grey NaH properties

Washing in dry pentane was my first thought, too (already visible from the freely available abstract of eEROS). Regarding the determination of the concentration of the active reagent: in the chapter ...
Buttonwood's user avatar
2 votes

How do I synthesize salicylic acid?

Riemer and Tiemann originally reported that using carbon tetrachloride in place of chloroform gives salicylic acid as major product plus p-hydroxybenzoic acid. It is mentioned in this review by ...
Waylander's user avatar
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