| Identification | Back Directory | [Name]
HEPTAMETHYLDISILAZANE | [CAS]
134340-00-4 | [Synonyms]
bis(trimethylsilyl)methanamine
BIS(TRIMETHYLSILYL)METHYLAMINE
bis(trimethylsilyl)methylamine95+%
N-[Bis(trimethylsilyl)methyl]amine
1,1-Bis(trimethylsilyl)methylamine
Bis(trimethylsilyl)methylamine >
bis(trimethylsilyl)-methylamine95+%
Methanamine, 1,1-bis(trimethylsilyl)- | [EINECS(EC#)]
678-035-1 | [Molecular Formula]
C7H21NSi2 | [MDL Number]
MFCD00008262 | [MOL File]
134340-00-4.mol | [Molecular Weight]
175.42 |
| Chemical Properties | Back Directory | [Boiling point ]
144-147 °C(lit.)
| [density ]
0.799 g/mL at 20 °C(lit.)
| [refractive index ]
n20/D 1.421(lit.)
| [solubility ]
sol ether, alcohol, dichloromethane, and most organic
solvents; hydrochloride salt sol in H2O, alcohol, DMF, DMSO. | [form ]
clear liquid | [pka]
11.57±0.29(Predicted) | [color ]
Colorless to Almost colorless |
| Hazard Information | Back Directory | [Physical properties]
colorless liquid, bp 70°Cat 25 mm Hg; its
hydrochloride salt, mp 191 °C. | [Uses]
Methanamine, 1,1-Bis(trimethylsilyl) is reagent used for the preparation of N-bis(trimethylsilyl)methyl
amines, imines, as a synthetic equivalent of N-methyl, N-
(trimethylsilyl)methyl carbanion, and [N-CH] dianion synthons,
as an N-protecting group. | [Preparation]
It is prepared by lithium metal mediated
reductive silylation of trimethylsilyl cyanide. |
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