Skip to Content
Merck

Key Documents

View All Documentation

746959

Ethenesulfonyl fluoride

95%

Synonym(s):

ESF, Vinyl sulfonyl fluoride

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C2H3FO2S
CAS Number:
677-25-8
Molecular Weight:
110.11
NACRES:
NA.22
PubChem Substance ID:
329765803
UNSPSC Code:
12352101
MDL number:
MFCD00051388
Assay:
95%
Form:
liquid
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

100

assay

95%

form

liquid

reaction suitability

reaction type: click chemistry

refractive index

n20/D 1.385

density

1.328 g/mL at 25 °C

SMILES string

O=S(F)(C=C)=O

InChI

1S/C2H3FO2S/c1-2-6(3,4)5/h2H,1H2

InChI key

BYPHZHGVWNKAFC-UHFFFAOYSA-N

General description

Ethenesulfonylfluoride is a Michael acceptor used in dyestuffs, functional materials,photoresist materials, lubricating oil additives, and medicinal chemistry. Itexhibits extraordinary reactivity in SuFEx click chemistry and organicsynthesis.

Application

Ethenesulfonyl fluoride can be used as a reactant to synthesize:
  • β-Arylethenesulfonyl fluorides via palladium(II) acetate-catalyzed Heck-Matsuda reaction with arenediazonium tetrafluoroborates.
  • Bisalkylsulfonyl fluoride(BSF) monomers via Michael addition reaction with amines/anilines. BSF monomers are applicable in the synthesis of polysulfonates.
  • Cyclobutane-fused pyridinyl sulfonyl fluorides by photocatalytic [2 + 2] cycloaddition with pyridones or isoquinolones.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 3 - Muta. 2 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

104.0 °F - closed cup

flash_point_c

40 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Group 4: Flammable liquids + Type 2 petroleums + Hazardous rank III + Water insoluble liquid

fsl

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library