COMMERCIAL
3277-26-7

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1,1,3,3-TETRAMETHYLDISILOXANE, 98%

Product Code: SIT7546.0

Cas No: 3277-26-7

R&D quantities:

1.5kg
$324.00
250gm
$146.00
25gm
$21.00

Boiling Point: 70-1°

EINECS Number: 221-906-4

Molecular Weight: 134.33

Specific Gravity: 0.757

Flashpoint: -12°C (10°F)

HMIS Key: 2-4-1-X

Hydrolytic Sensitivity: 3: reacts with aqueous base

Formula: C4H14OSi2

Refractive Index: 1.3669

TSCA: TSCA

Application: Employed in reductive halogenation of aldehydes and epoxides.1
Used to link ferrocenylsilane, polyolefin block copolymers into stable cylindrical forms.2
Employed in the high-yield reduction of amides to amines in the presence of other reducible groups.3
Reduces anisoles to arenes.4
Hydrosilylates terminal alkynes to form alkenylsilanes capable of cross-coupling w/ aryl and vinyl halides.5
Employed in the reduction of an acetopheone derivative to the methylene in the synthesis of ziprasidone.6

Reference: 1. Azipura et al. Tetrahedron Lett. 1984, 25, 3123.
2. Wang, X.-S. et al. J. Am. Chem. Soc. 2003, 125, 12686.
3. Hanada, S. et al. J. Am. Chem. Soc. 2009, 131, 15032.
4. Alvarez-Bercedo, P.; Martin, R. J. Am. Chem. Soc. 2010, 132, 17352.
5. Denmark, S. E.; Wang, Z. Org. Lett. 2001, 3, 1073.
6. Nadkami, D.; Hallissey, J. F. Org. Proc. Res. Dev. 2008, 12, 1142.

Additional Properties: 208
?Hcomb: 1,047 kcal/mole
?Hvap: 7.25 kcal/mole
Endcapper for polymerization of hydride terminated silicones
Vapor pressure, 27°: 194.8 mm