Description
Sodium Borohydride
Sodium Borohydride also known as sodium tetrahydridoborate and sodium tetrahydroborate is a versatile reducing agent used in many industrial applications, including the production of pharmaceuticals, polymers, and specialty chemicals.
This 98+% pure product is highly reactive and should be handled with care. It must be stored in a cool, dry place away from sources of heat or ignition. Sodium Borohydride reacts violently with water and acidic substances, so it should not come into contact with these materials.
Soluble in water. Reacts slowly with ethanol. Aqueous solutions are most stable in the presence of small amounts of NaOH (0.2% for a nearly saturated solution containing 44% sodium borohydride) and can be kept for several days. Solutions are rapidly decomposed by boiling.
Using Sodium Tetrahydridoborate
Sodium borohydride is an excellent reducing agent. It is used to generate diborane, as a foaming agent, as a scavenger for traces of aldehyde, ketones and peroxides in organic chemicals. Nanocrystalline superlattices in gold colloid solution have been prepared by ligand-induction using AuCl3 reduced with sodium borohydride. Nucleophilic addition of hydride ion from sodium borohydride is an inexpensive alternative method for the Baylis-Hillman reaction to form [E]-α-methylcinnamic acids.
Safety Precautions Of Sodium Tetrahydroborate
Sodium borohydride safety precautions includes wearing protective clothing, gloves, and eye protection when handling this substance. Proper waste disposal guidelines must also be followed to prevent environmental contamination.
Synonyms:
Sodium tetrahydridoborate, Sodium tetrahydroborate
| Formula: NaBH₄ MW: 37.83 g/molMelting Point : decomposes at approximately 400°C Boiling Point : Approximately 400°C (decomposes slowly) Freezing Point : decomposes at approximately 400°C Molecular Weight: 37.84 g/mol |
MDL Number: MFCD00003518 CAS Number: 16940-66-2 UN: 1426 ADR: 4.3,IFlash Point: 69°C Density: 1.074 at 68 °F (USCG, 1999) Appearance & Physical State : White to gray solid |
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