SODIUM BOROHYDRIDE
Sodium borohydride is also known as sodium tetrahydroborate and sodium tetrahydridoborate.
Sodium Borohydride, also known as sodium tetrahydridoborate and sodium tetrahydroborate, is an inorganic compound with the formula NaBH₄. This white solid, usually encountered as a powder, is a reducing agent that finds application in chemistry, both in the laboratory and on an industrial scale.
The principal application of sodium borohydride is the production of sodium dithionite from sulfur dioxide: Sodium dithionite is used as a bleaching agent for wood pulp and in the dyeing industry. Sodium borohydride reduces aldehydes and ketones to give the related alcohols.
Sodium borohydride (NaBH4) is one of the handiest reducing agents, especially for organic compounds in nonaqueous solvents.
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USES
- Reducing agent: Used in nonaqueous solvents to reduce aldehydes, ketones, Schiff bases, acids, esters, acid chlorides, disulfides, nitriles, and inorganic anions. For example, it can be used to synthesize cobalt (II, III) oxide from cobalt chloride, reduce aldehydes and ketones to alcohols, and reduce aromatic nitro compounds to aromatic amines.
- Bleaching agent: Used to bleach wood pulp and textiles. In textiles, it can produce soft, durable, and brightly colored fabrics.
- Blowing agent: Used in plastics.
- Wastewater treatment: Used to transform heavy metals like lead, cadmium, and mercury into less harmful forms.
- Paper production: Used to remove lignin, a complex organic polymer in wood, to improve the strength, texture, and color of paper.
- Gold and platinum recycling: Used in the recycling of gold and platinum group metals.
- Gold nanoparticles: Used in the synthesis of gold nanoparticles, which are used in chemotherapy, radiotherapy, electron microscopy, and medical research.
