The Vespiary

The Hive => Newbee Forum => Topic started by: FriendlyFinger on May 19, 2003, 12:47:00 PM

Title: aqueous NaBH4?
Post by: FriendlyFinger on May 19, 2003, 12:47:00 PM

When a synth calls for "an aqueous solution of NaBH₄", does that mean NaBH₄ + water, or NaBH₄ + water + NaOH.

Thanks,
FF.

Title: In most procedures I've seen using aqueous...
Post by: Barium on May 19, 2003, 02:27:00 PM

In most procedures I've seen using aqueous borohydride they simply dissolve NaBH₄ in water. If nothing in the reaction mixture is overly sensitive towards hydroxide ions there should be no problems adding the small amounts of NaOH necessary to stablize the borohydride.