Borohydride Reagent

Potassium Borohydride, KBH4

Caution
IRRITANT. Avoid contact with eyes and skin. Wear
impervious gloves and eye protection when using. Avoid
inhalation. Use with adequate ventilation only.

Preparation

1. Carefully add 100 mL of 0.20 N sodium hydroxide to
   a 250 mL beaker; stir on a magnetic stirrer.
2. Add 3.0 g of potassium borohydride to the beaker;
   stir to dissolve.