• USA Home
  • 370886 - 1,1,1,3,5,5,5-Heptamethyltrisiloxane

EMAIL THIS PAGE TO A FRIEND
370886 Sigma-Aldrich

1,1,1,3,5,5,5-Heptamethyltrisiloxane

97%

  • CAS Number 1873-88-7

  • Linear Formula [(CH3)3SiO]2SiHCH3

  • Molecular Weight 222.50

  •  Beilstein/REAXYS Number 1748455

  •  EC Number 217-496-1

  •  MDL number MFCD00048000

  •  PubChem Substance ID 24863086

  •  NACRES NA.22

Purchase

Properties

Related Categories Chemical Synthesis, Organometallic Reagents, Organosilicon, Siloxanes
Quality Level   100
assay   97%
refractive index   n20/D 1.382 (lit.)
bp   142 °C (lit.)
density   0.819 g/mL at 25 °C (lit.)
SMILES string   C[SiH](O[Si](C)(C)C)O[Si](C)(C)C
InChI   1S/C7H22O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h10H,1-7H3
InChI key   QNWOFLWXQGHSRH-UHFFFAOYSA-N

Description

Application

1,1,1,3,5,5,5-Heptamethyltrisiloxane can be used for the aromatic C-H silylation of arenes in the presence of a platinum complex catalyst.
It can also be used as a reagent to synthesize:
• 3-Octyl-1,1,1,3,5,5,5-heptamethyltrisiloxane, an agricultural adjuvant and sensory performance enhancer used in cosmetic formulations.
• Isoindigo-based conjugated polymer with siloxane-terminated solubilizing group.
• Monosiloxy esters with a variety of acids.

Packaging

50, 250 mL in glass bottle

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
RIDADR 
UN 1993BF 3 / PGII
WGK Germany 
WGK 3
Flash Point(F) 
71.6 °F - closed cup
Flash Point(C) 
22 °C - closed cup

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number
Protocols & Articles
Peer-Reviewed Papers
15

References

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?