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ChemicalBook--->CAS DataBase List--->16883-45-7

16883-45-7

16883-45-7 Structure

16883-45-7 Structure
IdentificationBack Directory
[Name]

Tetramethylammonium borohydride
[CAS]

16883-45-7
[Synonyms]

TMAB
Nsc164901
BISMUTH(III) SUBNITRATE 98%
tetramethylammoniumborohydrate
TETRAMETHYLAMMONIUM BOROHYDRIDE
Tetramethylammoniumborohydride,95%
Tetra-methyl ammonium boron hydride
TetraMethylaMMoniuM borohydride 95%
Tetramethylammonium Borohydride 
tetramethylammonium tetrahydroborate
Tetramethylammonium borohydride,TMAB
TETRAMETHYLAMMONIUM TETRAHYDRIDOBORATE
tetramethyl-ammoniutetrahydroborate(1-)
Tetramethylammonium tetrahydroborate(1-)
Ammonium, tetramethyl-, tetrahydroborate(1-)
n,n,n-trimethylmethanaminiumtetrahydroborate(1-)
n,n,n-trimethyl-methanaminiutetrahydroborate(1-)
Tetramethylammonium Borohydride [Reducing Reagent]
Methanaminium, N,N,N-trimethyl-, tetrahydroborate(1-)
[EINECS(EC#)]

240-917-5
[Molecular Formula]

C4H16BN
[MDL Number]

MFCD00011778
[MOL File]

16883-45-7.mol
[Molecular Weight]

88.99
Chemical PropertiesBack Directory
[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 DataBack Directory
[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
[HS Code ]

2942.00.5000
[HazardClass ]

4.3
[PackingGroup ]

I
Hazard InformationBack Directory
[Uses]

Reactant for:
  • Preparation of iridium tetrahydride complexes bearing a tridentate pincer-type bis(phosphino)silyl ligand
  • Reduction reactions (reducing agent)
[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.]
Spectrum DetailBack Directory
[Spectrum Detail]

Tetramethylammonium borohydride(16883-45-7)MS
Tetramethylammonium borohydride(16883-45-7)IR1
Tetramethylammonium borohydride(16883-45-7)IR2
Tetramethylammonium borohydride(16883-45-7)Raman
Tetramethylammonium borohydride(16883-45-7)ESR
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