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8.18414 Sigma-Aldrich

1,1,3,3-Tetramethyldisiloxane

for synthesis

Synonym: 1,1,3,3-Tetramethyldisiloxane

  • CAS Number 3277-26-7

  • Linear Formula ((CH3)2SiH)2O

  • Molecular Weight 134.32

  •  MDL number MFCD00008256

  •  EC Index Number 221-906-4

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Properties

Quality Level   200
vapor pressure   250 hPa ( 20 °C)
assay   ≥97.0% (GC)
autoignition temp.   240 °C
expl. lim.   0.8-62.9 % (v/v)
bp   70-71 °C/1013 hPa
mp   -78 °C
transition temp   flash point -26 °C
density   0.76 g/cm3 at 20 °C
InChI   1S/C4H12OSi2/c1-6(2)5-7(3)4/h1-4H3
InChI key   KWEKXPWNFQBJAY-UHFFFAOYSA-N
storage conditions   Store at <= 20°C.

Description

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.757 - 0.759
Identity (IR): passes test

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