Sinocure® 6976

Cationic photoinitiator, Sinocure® Photoinitiator

Sinocure® 6976 is a cationic photoinitiator, which is a mixture of triarylsulphonium hexafluoroantimonate salts in propylene carbonate.

SINOCURE® 6976

Synonym: UV Cationic Photoinitiator 6993;UVI-6993;UVI-6976; Mixed type triarylsulfonium hexafluoro antimonate salts
CAS NO: 71449-78-0 & 89452-37-9 & 108-32-7
Molecular Structure：

Standard :

Appearance	Yellow Liquid
Active Content	50% min
Gardner Color	4 max
Water	1.0% max
Ε¦ at λ 291 nm	101 (Solvent: acetonitrile)
Ε¦ at λ 279 nm	96 (Solvent: acetonitrile)

UV Absorption Spectrum :

Applications :

1、Clear coatings and thicker films.

2、Used to cure cycloaliphatic epoxy resins such as Sinepoxy® CER-421 and Sinepoxy® CER-4299, vinyl ethers and other cationically cured materials.

3、A starting formulation would contain 1.5 – 3.0 % w/w of SINOCURE® 6993 in a clear coating.

Package :

Packing:25kgs to 200kgs/drum.
Delivery:with in 5-7 working days.

Storage :

Stored in a cool dry place out of direct sunlight.

How Can We Help?

We offer a variety of options to help you find the right product for your application

WHY CHOOSE SINOCURE?

Customized development

Provide formulation optimization support for water-based/solvent-based systems
Global compliance

Full coverage of REACH, FDA, and GB standards
Stable supply

99.8% on-time delivery rate, 10,000-ton production capacity guarantee

Sinocure® CAT-551

Cationic photoinitiator, Newly Developed PIs, Sinocure® Photoinitiator

SINOCURE® CAT-551 is a cationic photoinitiator with high photoinitiator activity,

Chemical Name :

10-(4-Biphenylyl)-2,4-Diethylthioxanthone-10- sulfonium hexafluorophosphate
CAS No. :

91773-90-9
Molecular Formula :

C29H25OS.PF6
Assay :

98%min
Package :

1KG/BAG,20kgs/carton

Sinocure® CAT-550

Cationic photoinitiator, Newly Developed PIs, Sinocure® Photoinitiator

SINOCURE® CAT-550 is a cationic photoinitiator with high photoinitiator activity,

Chemical Name :

10-(4-Biphenylyl)-2-isopropyl-9-oxo-9H-thioxanthenium hexafluorophosphate
CAS No. :

591773-92-1
Molecular Formula :

C28H23OS.PF6
Assay :

98%min
Package :

1KG/BAG,20kgs/carton

Sinocure® CAT-440

Cationic photoinitiator, Newly Developed PIs, Sinocure® Photoinitiator

SINOCURE®CAT-440 is an iodonium salt cationic photoinitiator with the characteristics of high initiator activity,

Chemical Name :

Bis(4-methylphenyl)iodonium hexafluorophosphate
CAS No. :

60565-88-0
Molecular Formula :

C14H14F6IP
Assay :

99%min
Package :

20kgs/carton

Sinocure® CAT-263

Cationic photoinitiator, Newly Developed PIs, Sinocure® Photoinitiator

SINOCURE®CAT-263 is a triarylsulfonium salt photoinitiator.

Chemical Name :

4-Thiophenyl phenyl diphenyl sulfonium phenylborate
CAS No. :

203573-06-2
Molecular Formula :

C24H19S2.C24BF20
Assay :

99%min
Package :

1kg/bag,10kgs/carton

Sinocure® CAT-261

Cationic photoinitiator, Newly Developed PIs, Sinocure® Photoinitiator

SINOCURE® CAT-261 is a cationic photoinitiator,used in cationic curing systems.

Chemical Name :

cyclopentadienyliron(II)hexafluorophosphate
CAS No. :

32760-80-8
Molecular Formula :

C14H17FePF6
Assay :

98%min
Package :

1KG/BAG,20kgs/carton

Sinocure® 938

Cationic photoinitiator, Sinocure® Photoinitiator

Sinocure ®938 is cationic photoinitiator of the iodonium hexafluorophosphate family,

Chemical Name :

Bis(4-t-butyl phenyl)lodonium hexafluorophosphate
CAS No. :

61358-25-6
Molecular Formula :

C20H26F6IP
Assay :

98%min
Package :

Carton /drum

Sinocure® 937

Cationic photoinitiator, Sinocure® Photoinitiator

SINOCURE® 937 is a cationic photoinitiator with high photoinitiation activity,

Chemical Name :

Bis(4-dodecylphenyl)iodonium hexaflurorantimonate
CAS No. :

71786-70-4
Molecular Formula :

C36H58I.SbF6
Assay :

≥45%
Package :

25kg/Drum; 200kg/Drum

Sinocure® 6993

Cationic photoinitiator, Sinocure® Photoinitiator

Sinocure® 6993 is a cationic photoinitiator,

Chemical Name :

4-Thiophenyl phenyl diphenyl sulfonium hexafluoroantimonate
CAS No. :

71449-78-0
Molecular Formula :

C24H19S2.SbF6
Assay :

99% min
Package :

25kgs/drum;200kgs/drum

Sinocure® 6992S

Cationic photoinitiator, Sinocure® Photoinitiator

The triarylsulfonium salt photoinitiator has a sulfur atom that can be conjugated with three aromatic rings,

Chemical Name :

Diphenyl[(phenylthio)phenyl]sulfonium hexafluorophosphate
CAS No. :

75482-18-7 or 68156-13-8
Molecular Formula :

C24H19F6PS2
Assay :

98.5%min
Package :

bag or carton

Sinocure® 6992

Cationic photoinitiator, Sinocure® Photoinitiator

Sinocure® 6992 is a mixed triphenyl sulfonium hexafluorophosphate soluble in propylene carbonate.

Chemical Name :

Mixed type triarylsulfonium hexafluorophosphate salts;Cationic Photoinitiator UVI-6992
CAS No. :

68156-13-8(75482-18-7) & 74227-35-3 & 108-32-7
Molecular Formula :

C24H19F6PS2,C36H28S3.2F6P, C4H6O3
Assay :

40%min
Package :

25kgs 、200kgs/drum

Sinocure® 250

Cationic photoinitiator, Newly Developed PIs, Sinocure® Photoinitiator

Sinocure® 250 is a versatile photoinitiator for cationic polymerization of epoxy- or oxetane-based photocurable systems upon light exposure.

Cas No. :

344562-80-7 + 108-32-7
Chemical Name :

Photoinitiator 250
Content :

75%
Package :

20kg/drum

Sinocure® 6976

Sinocure® 6976

SINOCURE® 6976

WHY CHOOSE SINOCURE?

Related product recommendations

Sinocure® CAT-551

Sinocure® CAT-550

Sinocure® CAT-440

Sinocure® CAT-263

Sinocure® CAT-261

Sinocure® 938

Sinocure® 937

Sinocure® 6993

Sinocure® 6992S

Sinocure® 6992

Sinocure® 250