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654027

Sigma-Aldrich

Triarylsulfonium hexafluoroantimonate salts, mixed

50 wt. % in propylene carbonate

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

Quality Level

concentration

50 wt. % in propylene carbonate

refractive index

n20/D 1.502

bp

>220 °C

density

1.410 g/mL at 25 °C

SMILES string

F[Sb-](F)(F)(F)(F)F.F[Sb-](F)(F)(F)(F)F.F[Sb-](F)(F)(F)(F)F.S(c1ccccc1)c2ccc(cc2)[S+](c3ccccc3)c4ccccc4.S(c5ccc(cc5)[S+](c6ccccc6)c7ccccc7)c8ccc(cc8)[S+](c9ccccc9)c%10ccccc%10

InChI

1S/C36H28S3.C24H19S2.18FH.3Sb/c1-5-13-31(14-6-1)38(32-15-7-2-8-16-32)35-25-21-29(22-26-35)37-30-23-27-36(28-24-30)39(33-17-9-3-10-18-33)34-19-11-4-12-20-34;1-4-10-20(11-5-1)25-21-16-18-24(19-17-21)26(22-12-6-2-7-13-22)23-14-8-3-9-15-23;;;;;;;;;;;;;;;;;;;;;/h1-28H;1-19H;18*1H;;;/q+2;+1;;;;;;;;;;;;;;;;;;;3*+5/p-18

InChI key

YASCSMWRFXPFOO-UHFFFAOYSA-A

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General description

Triarylsulfonium hexafluoroantimonate salts, mixed are photoinitiators that are used in the cationic polymerization. These photoinitiators are most effective in the range of 210−350 nm. They are majorly used to initiate epoxy resins.

Application

  • 3D Printing Fabrication of Amorphous Thermoelectric Materials: This study explores the use of triarylsulfonium hexafluoroantimonate salts as cationic photoinitiators in the fabrication of thermoelectric materials with ultralow thermal conductivity, highlighting their role in the processing of thermoelectric polymers (M He et al., 2015).
  • Onium Salts for Cationic Polymerization: Discusses the high yields and functionalities of mixed triarylsulfonium salts in cationic polymerization processes, providing a pathway to synthesize asymmetrical triarylsulfonium salts (DIR Taschner, 2023).
  • Cationic UV-curing of Epoxidized Biobased Resins: This paper investigates the dual UV and visible light curing of biobased resins using triarylsulfonium hexafluoroantimonate salts, emphasizing its applications in sustainable polymer chemistry (C Noè et al., 2020).
  • Photocurable Epoxy Acrylate Coatings: Examines the dual cationic and radical photocrosslinking of epoxy acrylate coatings using triarylsulfonium hexafluoroantimonate salts, focusing on the properties of hybrid polymer networks (P Bednarczyk et al., 2021).
  • Recent Advances in Monocomponent Visible Light Photoinitiating Systems: This study features a system using triarylsulfonium salt as a photoinitiator for advanced polymerization techniques, demonstrating the versatility of these salts in polymer chemistry (F Dumur, 2023).

pictograms

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Warning

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

284.0 °F - closed cup

flash_point_c

> 140 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Photochemistry of triarylsulfonium salts
Dektar JL and Hacker NP
Journal of the American Chemical Society, 112(16), 6004-6015 (1990)
Influence of the initiating mechanism on the cationic photopolymerization of a cycloaliphatic epoxy resin with arylsulfonium salts
Fernandez-Francos X
Journal of Polymer Science Part A: Polymer Chemistry, 45(1), 16-25 (2007)
A study of epoxy resin-acrylated polyurethane semi-interpenetrating polymer networks
Vabrik R, et al.
Journal of Applied Polymer Science, 68(1), 111-119 (1998)
Kinetics study of the UV-initiated cationic polymerization of cycloaliphatic diepoxide resins.
Voytekunas VY, et al.
European Polymer Journal, 44(11), 3640-3649 (2008)

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