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15933-59-2 - Tetramethyldisilazane, 97% - A14304 - Alfa Aesar

A14304 Tetramethyldisilazane, 97%

CAS-Nummer
15933-59-2
Synonyme

Größe Preis ($) Menge Verfügbarkeit
10g 59,12
50g 196,07
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Tetramethyldisilazane, 97%

MDL
MFCD00025626
EINECS
240-072-2

Chemische Eigenschaften

Formel
C4H15NSi2
Molmasse
133.34
Siedepunkt
99-100°
Flammpunkt
-3°(26°F)
Dichte
0.768
Brechungsindex
1.4055
Sensitivität
Moisture Sensitive
Löslichkeit
Miscible with common organic solvents.

Anwendungen

Tetramethyldisilazane is used as a gas chromatographic derivatizing reagent. Further, it reacts with phenol to prepare dimethylphenoxysilane. In addition, it is used in electronic, polymer and pharmaceutical industries.

Bemerkungen

Moisture sensitive. Incompatible with strong oxidizing agents.

Literaturverweise

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):

Sanli, D.; Erkey, C. Silylation from supercritical carbon dioxide: a powerful technique for modification of surfaces. J. Mater. Sci. 2015, 50 (22), 7159-7181.

Fainer, N. I.; Kosyakov, V. I. Phase composition of thin silicon carbonitride films obtained by plazma endanced chemical vapor deposition using organosilicon compounds. J. Struct. Chem. 2015, 56 (1), 163-174.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H225-H314-H318

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

Sicherheitshinweise: 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.

Weitere Referenzen

Beilstein
741869
Gefahrenklasse
3
Verpackungsgruppe
II
Harmonized Tariff Code
2931.90
TSCA
Yes

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