ChemicalBook--->CAS DataBase List--->134340-00-4

134340-00-4

134340-00-4 Structure

134340-00-4 Structure
IdentificationBack 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 PropertiesBack 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
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

10-36/37/38
[Safety Statements ]

26-36
[RIDADR ]

UN 1993 3/PG 3
[WGK Germany ]

3
[F ]

10
[HS Code ]

2931.90.9010
[HazardClass ]

8/3
[PackingGroup ]

II
Hazard InformationBack 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.
Spectrum DetailBack Directory
[Spectrum Detail]

HEPTAMETHYLDISILAZANE(134340-00-4)1HNMR
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