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283134 Aldrich

Hexamethyldisilathiane

synthesis grade

Synonym: (TMS)2S, Bis(trimethylsilyl) sulfide, HMDS, NSC 252160

  • CAS Number 3385-94-2

  • Linear Formula (CH3)3SiSSi(CH3)3

  • Molecular Weight 178.44

  •  Beilstein Registry Number 1698358

  •  EC Number 222-201-4

  •  MDL number MFCD00014851

  •  PubChem Substance ID 24857086

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Properties

Related Categories Chemical Synthesis, Organometallic Reagents, Organosilicon, Other Organosilicon
InChI Key   RLECCBFNWDXKPK-UHFFFAOYSA-N
quality   synthesis grade
refractive index   n20/D 1.4586(lit.)
bp   164 °C(lit.)
density   0.846 g/mL at 25 °C(lit.)

Description

Packaging

1, 5, 500 g in glass bottle

Application

Hexamethyldisilathiane may be used in the bis-O-demethylation of dimethoxy aromatic compounds.
It may also be used as a sulfur source in the following conversion:
• Amides and lactams to their corresponding sulfur analogs.
• Allyl alcohols to diallyl sulfides.
• Transition metal halides to metal sulfides.
• Aryl iodides to diaryl sulfides.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 1992 6.1(3) / PGIII
WGK Germany 
3
Flash Point(F) 
73.4 °F
Flash Point(C) 
23 °C

Bulk Chemicals

Screeing simplified
Protocols & Articles
Peer-Reviewed Papers
15

References

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