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205389 Aldrich

Hexamethyldisiloxane

≥98%

Synonym: HMDSO

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Properties

Related Categories Chemical Synthesis, Organometallic Reagents, Organosilicon, Siloxanes
vapor density   >1 (vs air)
InChI Key   UQEAIHBTYFGYIE-UHFFFAOYSA-N
assay   ≥98%
refractive index   n20/D 1.377(lit.)
bp   101 °C(lit.)
  101 °C
mp   −59 °C(lit.)
density   0.764 g/mL at 20 °C(lit.)

Description

Packaging

5, 100, 500 mL in glass bottle

Application

Hexamethyldisiloxane may be used to fabricate a gas diffusion layer (GDL) with controlled hydrophobic silicone nano-layer by ′dry′ deposition process.

General description

Hexamethyldisiloxane (HMDSO), a linear polydisiloxane, is an organosilicon reagent commonly utilized as a source for plasma enhanced chemical vapor deposition (PE-CVD) of thin films of silicon compounds. It is also employed as a substitute to silane in silicon integrated circuit technology. Its dissociative ionization by electron impact has been studied by Fourier transform mass spectrometry. Synthesis of plasma-polymerized HMDSO thin films by atmospheric pressure glow (APG) discharge has been reported. Crystals of HMDSO at 148K are monoclinic. Addition of HMDSO to P4S10, improves its efficiency as thionating agent.

Price and Availability


Laboratory Gloves

Cross-Coupling Guide
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN1993 - class 3 - PG 2 - EHS - VP <= 110kPa - Flammable liquids, n.o.s., HI: all
WGK Germany 
1
RTECS 
JM9237000
Flash Point(F) 
32 °F
Flash Point(C) 
0 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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