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52630 Sigma-Aldrich

Hexamethyldisiloxane

puriss., ≥98.5% (GC)

Synonym: HMDSO

  • CAS Number 107-46-0

  • Linear Formula (CH3)3SiOSi(CH3)3

  • Molecular Weight 162.38

  •  Beilstein/REAXYS Number 1736258

  •  EC Number 203-492-7

  •  MDL number MFCD00008265

  •  PubChem Substance ID 329757863

  •  NACRES NA.22

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Properties

Related Categories Chemical Synthesis, Organometallic Reagents, Organosilicon, Siloxanes
Quality Level   200
vapor density   >1 (vs air)
grade   puriss.
assay   ≥98.5% (GC)
refractive index   n20/D 1.377 (lit.)
  n20/D 1.377
bp   101 °C (lit.)
mp   −59 °C (lit.)
density   0.764 g/mL at 20 °C (lit.)
SMILES string   C[Si](C)(C)O[Si](C)(C)C
InChI   1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
InChI key   UQEAIHBTYFGYIE-UHFFFAOYSA-N

Description

Other Notes

For a facile silylation of carboxylic acids; As chloride anion acceptor in the synthesis of sulphinic esters

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 
WGK 2
RTECS 
JM9237000
Flash Point(F) 
21.2 °F - closed cup
Flash Point(C) 
-6 °C - closed cup
Protocols & Articles
Peer-Reviewed Papers
15

References

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