Sodium triacetoxyborohydride
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Sodium triacetoxyborohydride, also known as sodium triacetoxyhydroborate, commonly abbreviated STAB, is a chemical compound with the formula Na[(CH3COO)3BH]. Like other borohydrides, it is used as a reducing agent in organic synthesis. This colourless salt is prepared by protonolysis of sodium borohydride with acetic acid:[1]
- Na[BH4] + 3 CH3COOH → Na[(CH3COO)3BH] + 3 H2
Quick Facts Names, Identifiers ...
Names | |
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Other names
NaBH(OAc)3; STAB; STABH; Sodium triacetoxyhydroborate | |
Identifiers | |
3D model (JSmol) |
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ECHA InfoCard | 100.115.747 |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
Na[(CH3COO)3BH] | |
Molar mass | 211.94 g·mol−1 |
Appearance | White powder |
Density | 1.20 g/cm3 |
Melting point | 116 to 120 °C (241 to 248 °F; 389 to 393 K) decomposes |
decomposition | |
Structure | |
4 at boron atom | |
Tetrahedral at boron atom | |
Hazards | |
NFPA 704 (fire diamond) | |
Safety data sheet (SDS) | External MSDS |
Related compounds | |
Other anions |
Sodium cyanoborohydride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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