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67373-56-2 - Dimethylthexylchlorosilane, 95% - Chlorodimethylthexylsilane - Dimethyl(2,3-dimethylbutyl)chlorosilane - A19140 - Alfa Aesar

A19140 Dimethylthexylchlorosilane, 95%

CAS-Nummer
67373-56-2
Synonyme
Chlorodimethylthexylsilane
Dimethyl(2,3-dimethylbutyl)chlorosilane

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Dimethylthexylchlorosilane, 95%

MDL
MFCD00012175

Chemische Eigenschaften

Formel
C8H19ClSi
Molmasse
178.78
Schmelzpunkt
14-15°
Siedepunkt
55-56°/10mm
Flammpunkt
51°(124°F)
Dichte
0.911
Brechungsindex
1.4500
Sensitivität
Moisture Sensitive

Literaturverweise

Reagent for the introduction, in the presence of a base such as triethylamine or imidazole in DMF, of the thexyldimethylsilyl (TDS) group for protection of hydroxyl functions. The greater steric hindrance of the TDS group compared with TBDMS confers greater (at least 2-3x) stability to acid or base hydrolysis. Cleavage with F- is also about 2-3x slower than for TBDMS: Tetrahedron Lett., 26, 5511 (1985); 32, 2135 (1991). TDS is also an extremely useful protecting group for nitrogen functions, providing readily purifiable derivatives which survive a variety of chemical transformations, but are readily cleaved by F-: Tetrahedron Lett., 26, 5515 (1985); J. Chem. Soc., Perkin 1, 423 (1998).

/n

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H314-H318-H226

Causes severe skin burns and eye damage. Causes serious eye damage. Flammable liquid and vapour.

Sicherheitshinweise: P210-P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. 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. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
3647960
Gefahrenklasse
8
Verpackungsgruppe
II
Harmonized Tariff Code
2931.90
TSCA
No

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