| Tetramethylammonium borohydride Basic information |
| Product Name: | Tetramethylammonium borohydride |
| Synonyms: | Ammonium, tetramethyl-, tetrahydroborate(1-);Methanaminium, N,N,N-trimethyl-, tetrahydroborate(1-);Nsc164901;Tetra-methyl ammonium boron hydride;Tetramethylammonium tetrahydroborate(1-);Tetramethylammonium borohydride,TMAB;TetraMethylaMMoniuM borohydride 95%;Tetramethylammonium Borohydride  |
| CAS: | 16883-45-7 |
| MF: | C4H16BN |
| MW: | 88.99 |
| EINECS: | 240-917-5 |
| Product Categories: | Ammonium Polyhalides, etc. (Quaternary);B (Classes of Boron Compounds);Quaternary Ammonium Compounds;Reduction;Synthetic Organic Chemistry;metal hydrides;Tetrahydroborates |
| Mol File: | 16883-45-7.mol |
| Tetramethylammonium borohydride Chemical Properties |
| Melting point | 150°C (dec.) |
| density | 0,813 g/cm3 |
| storage temp. | 2-8°C |
| Water Solubility | almost transparency in Water |
| form | crystal |
| color | white |
| Specific Gravity | 0.813 |
| Sensitive | Moisture Sensitive |
| BRN | 3684968 |
| EPA Substance Registry System | Methanaminium, N,N,N-trimethyl-, tetrahydroborate(1-) (16883-45-7) |
| Safety Information |
| Hazard Codes | F,T,Xi |
| Risk Statements | 15-25-36/38-36/37/38 |
| Safety Statements | 26-36/37/39-43-45-36 |
| RIDADR | UN 3134 4.3/PG 2 |
| WGK Germany | 3 |
| RTECS | BS8310000 |
| TSCA | Yes |
| HazardClass | 4.3 |
| PackingGroup | I |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| ALFA | English |
| Tetramethylammonium borohydride Usage And Synthesis |
| Uses | Reactant for:
|
| Purification Methods | Recrystallisation of the borohydride from H2O three times yields ca 94% pure compound. Dry in high vacuum at 100o for 3hours. The solubility in H2O is 48% (20o), 61% (40o), and in EtOH 0.5% (25o) and MeCN 0.4% (25o). It decomposes slowly in a vacuum at 150o, but rapidly at 250o. The rate of hydrolysis of Me4N.BH4 (5.8M) in H2O at 40o is constant over a period of 100hours at 0.04% of original wt/hour. The rate decreases to 0.02%/hour in the presence of Me4NOH (5% of the wt of Me4N.BH4). [Banus et al. J Am Chem Soc 74 2346 1952, Beilstein 4 IV 148.] |
| Tetramethylammonium borohydride Preparation Products And Raw materials |
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