Does Sodium Borohydride NaBH4 (CAS. 16940-66-2) react violately with water?
Sodium Borohydride NaBH4 (CAS Number 16940-66-2) is stable under normal temperature and pressure. The alkaline solution of sodium borohydride is brown and one of the most commonly used reducing agents. It is relatively stable to moisture and oxygen in the air, easy to handle, and suitable for industrial scale. Because of solubility problems, methanol and ethanol are usually used as solvents. Under normal circumstances, sodium borohydride cannot reduce esters, amides, carboxylic acids and nitriles, except when there are heteroatoms in the α-position of the carbonyl group of the ester, the ester can be reduced.
Why does Sodium borohydride react with water?
Sodium borohydride will react with water.
The role of BH4-, because hydrogen is -1 valence, is a very strong reducing agent. It is called a universal reducing agent in organic chemistry. It reduces a variety of substances, reacts with water, and reduces +1 valent hydrogen ions in water.
Chemical equation NaBH4+2H2O=NaBO2+4H2 ↑
Precautions to contact with Sodium borohydride !
Sore throat, cough, shortness of breath, headache, abdominal pain, diarrhea, dizziness, conjunctival hyperemia, pain and other symptoms after contact with sodium borohydride. Inhalation or skin contact with the reagent is harmful to humans. Sodium borohydride should be stored in a dry place, and special care should be taken when using it, and the operation should be carried out in a fume hood. Should be stored in a cool, dry warehouse. Moisture-proof, shock-proof, do not store and transport with inorganic acid, keep away from heat, fire and flammable materials.
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Post time: Mar-17-2021