Sodium Borohydride Powder CAS 16940-66-2 NaBH4 Supplier
| Product Name: | Sodium borohydride |
| CAS NO: | 16940-66-2 |
| Molecular Weight: | 37.83 |
| Molecular Formula: | NaBH4 |
| Boiling Point: | 500°C |
| Melting point: | >300 °C (dec.) (lit.) |
| Density: | 1.035 g/mL at 25 °C |
| Appearance: | White powder |
| Purity: | >98% |
| Stability: | Water Solubility 550 g/L (25 ºC) |
| Storage: | Store at RT. |
NaBH4 Synonyms
VenPure SF;SodiuM borohydride caplets (18 x 10 x 8 MM), 98%;SodiuM borohydride granular, 10-40 Mesh, 98%;SodiuM borohydride granular, 99.99% trace Metals basis;SodiuM borohydride powder, >=98.0%;SodiuM borohydride puruM p.a., >=96% (gas-voluMetric);SodiuM borohydride ReagentPlus(R), 99%;SodiuM borohydride solution 2.0 M in triethylene glycol diMethyl ether
Reduction By Sodium Borohydride/ Sodium Borohydride Reduction Mechanism
Sodium borohydride is a relatively selective reducing agent. Ethanolic solutions of sodium borohydride reduce aldehydes and ketones in the presence of epoxides, esters, lactones, acids, nitriles, or nitro groups. Reduction of aldehydes is straightforward.Sodium borohydride will reduce aldehydes to primary alcohols and ketones to secondary alcohols. This proceeds via a two-step mechanism consisting of 1) nucleophilic addition, followed by 2) protonation. Esters and amides are not reduced by NaBH4 under normal conditions.
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