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90135

p-Tolyl [2-(trimethylsilyl)ethynyl] sulfone

Name: <I>p</I>-Tolyl [2-(trimethylsilyl)ethynyl] sulfone
Brand: SIAL

purum, ≥97.0% (CHN)

Synonym(s):

1-(p-Toluenesulfonyl)-2-(trimethylsilyl)acetylene, 2-(Trimethylsilyl)ethynyl p-tolyl sulfone

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About This Item

Linear Formula:

(CH₃)₃SiC≡CSO₂C₆H₄CH₃

CAS Number:

34452-56-7

Molecular Weight:

252.40

PubChem Substance ID:

329769853

UNSPSC Code:

12352100

Beilstein/REAXYS Number:

2650368

MDL number:

MFCD00192508

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Properties

grade

purum

assay

≥97.0% (CHN)

mp

80-83 °C (lit.)

SMILES string

Cc1ccc(cc1)S(=O)(=O)C#C[Si](C)(C)C

InChI

1S/C12H16O2SSi/c1-11-5-7-12(8-6-11)15(13,14)9-10-16(2,3)4/h5-8H,1-4H3

InChI key

MMUNNGUGQXEUBR-UHFFFAOYSA-N

Description

Other Notes

Powerful Michael acceptor for vinylations; Sterically hindered dipolarophile for cycloadditions

pictograms

GHS07

signalword

Warning

hcodes

H315,H319,H335

pcodes

P261 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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A. Padwa et al.

Tetrahedron, 46, 1145-1145 (1990)

Tetrahedron Letters, 27, 219-219 (1986)