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262021 Sigma-Aldrich

Di-tert-butylsilyl bis(trifluoromethanesulfonate)

97%

Synonym: DTBS ditriflate, Di-tert-butylsilyl ditriflate, Trifluoromethanesulfonic acid di-tert-butylsilylene ester

  • CAS Number 85272-31-7

  • Linear Formula (CF3SO3)2Si[C(CH3)3]2

  • Molecular Weight 440.45

  •  Beilstein/REAXYS Number 3569211

  •  MDL number MFCD00010581

  •  PubChem Substance ID 24855853

  •  NACRES NA.22

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Properties

Related Categories Chemical Reagents, Chemical Synthesis, Development Quantities for Research, Protecting and Derivatizing Reagents, Protection and Derivatization,
Quality Level   200
assay   97%
refractive index   n20/D 1.398 (lit.)
bp   73-75 °C/0.35 mmHg (lit.)
density   1.352 g/mL at 25 °C (lit.)
SMILES string   CC(C)(C)[Si](OS(=O)(=O)C(F)(F)F)(OS(=O)(=O)C(F)(F)F)C(C)(C)C
InChI   1S/C10H18F6O6S2Si/c1-7(2,3)25(8(4,5)6,21-23(17,18)9(11,12)13)22-24(19,20)10(14,15)16/h1-6H3
InChI key   HUHKPYLEVGCJTG-UHFFFAOYSA-N

Description

Packaging

5, 25, 250 g in glass bottle

Application

Protecting group reagent for 1,3-diols used recently in a synthesis of N-homoceramides. Also used for selective α-galactosylation in the synthesis of α-galactosyl ceramides.

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
RIDADR 
UN 3265 8 / PGII
WGK Germany 
WGK 3
Flash Point(F) 
195.8 °F - closed cup
Flash Point(C) 
91 °C - closed cup
Protocols & Articles
Peer-Reviewed Papers
15

References

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