A14304

Tetramethyldisilazane, 97+%

CAS Number 15933-59-2

 
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Tetramethyldisilazane, 97+%

MDL: MFCD00025626
EINECS: 240-072-2

Chemical Properties

Formula: C4H15NSi2  Density: 0.768
Formula weight: 133.34  Refractive Index: 1.4055
Boiling point: 99-100° Sensitivity: Moisture Sensitive
Flash point: -3°(26°F) 

Literature References

Reagent for the preparation (see Appendix 4) of dimethylsilyl (DMS) derivatives, compare Hexamethyl­disilazane, A15139. With allylic and homoallylic alcohols, the products can undergo Pt- or Rh-catalyzed intramolecular hydrosilylation, providing a regioselective route to 1,3-diols: J. Am. Chem. Soc., 108, 6090 (1986). For an example of this reaction, see Chlorodimethyl­silane, A13113.

The potassium derivative, formed by reaction with KH in THF, reacts with alkyl halides to give, after hydrolysis, high yields of primary amines, thus providing a convenient alternative to the classical Gabriel method. Other silazanes, including hexamethyldisilazane, give lower yields: Synthesis, 150 (1995):

GHS Hazard and Precautionary Statements

Hazard Statements : H225-H314-H318

Highly flammable liquid and vapour. Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements : P210-P280-P303+P361+P353-P305+P351+P338-P310

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician.

FlammableCorrosive

Other References

Beilstein: 741869
UN#: UN2924
Hazard Class: 3
Packing Group: II
Harmonized Tariff Code: 2931.90
TSCA: Yes
Tetramethyldisilazane, 97+% - CAS 15933-59-2 - Formula C4H15NSi2

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