SINOCURE® CAT-550

Cationic photoinitiator, thioxanthenium salt, packaging ink photoinitiator

SINOCURE® CAT-550 is a cationic photoinitiator with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor. It has a certain absorption at 365nm and can be used for LED curing.

SINOCURE® CAT-550

Synonym: 10-(4-Biphenylyl)-2-isopropyl-9-oxo-9H-thioxanthenium hexafluorophosphate

CAS No: 591773-92-1

Molecular Formula: C28H23OS.PF6

Molecular Structure:

General Information :

Specification :

Appearance	Yellow crystal powder
Purity	≥98%
Melting point	202-210℃
Volatile Matter	≤0.5%

Usage :

Cationic printing inks and overprint varnishes for special applications such as can coatings, coil coatings and pharmaceutical packaging.

UV Absorption Spectrum :

Packaging :

1KG/BAG

Storage :

Store in a dry, clean, ventilated warehouse.
Avoid exposure to light and heat.
Be careful to prevent leakage, rain and sun during transportation.

¿Cómo Podemos Ayudar?

Ofrecemos una variedad de opciones para ayudarle a encontrar el producto adecuado para su aplicación.

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® PSS-DEN

1,4-Diethoxynaphthalene,Anthracure UVS-2171 replacement, photosensitizer, cationic UV curing

SINOCURE® PSS-DEN (CAS 27294-37-7) is 1,4-Diethoxynaphthalene, a photosensitizer manufactured for UV-LED cationic systems. It enables efficient curing at 365-405nm with minimal yellowing, can replace Anthracure UVS-2171.

Chemical Name :

1,4-Diethoxynaphthalene
CAS No. :

27294-37-7
Molecular Formula :

C14H16O2
Assay :

99%min
Package :

10kg,20kg Bag/Carton

Sinocure® MMPI-1477

Macromolecular photoinitiator, CAS 2795319-83-2, low volatility photoinitiator, UV curing for packaging

SINOCURE®MMPI-1477 is a specialized macromolecular photoinitiator with with high activity,

Chemical Name :

Low migration macromolecular photoinitiator
CAS No. :

2795319-83-2
Molecular Formula :

C72H107N3O15S6
Package :

25kg/Drum.

Sinocure® PSS-DBA

9,10-Dibutoxyanthracene, photosensitizer, cationic UV curing

SINOCURE® DBA is often used as a photosensitizer in cationic polymerization,replace Anthracure UVS 1331;PSS 303;UVS 1550;UVS 1331;DBA sensitizer.

Chemical Name :

9,10-Dibutoxyanthracene
CAS No. :

76275-14-4
Molecular Formula :

C22H26O2
Assay :

99%min
Package :

25kgs /drum

Sinocure® PD-01

1-Phenyl-1,2-propanedione, food additive photoinitiator, pharmaceutical intermediate

Sinocure®PD-01, chemical name is 1-Phenyl-1,2-propanedione, usually used as a low-toxic LED photoinitiator and food additive.

Chemical Name :

1-Phenyl-1,2-propanedione
CAS No. :

579-07-7
Molecular Formula :

C9H8O2
Assay :

99%
Package :

1kg/bottom or 20kgs/drum

Sinocure® MPBZ (6012)

Newly Developed PIs, Sinocure® Photoinitiator, Type II Free radical photoinitiator

Sinocure ®MPBZ is a low-odor type II photoinitiator, mainly used in formulation systems with high requirements for low odor and safety,

Chemical Name :

3-methyl-4-phenylbenzophenone；biphenyl-4-yl-(3-methylphenyl)methanone；Pi-MPBZ
CAS No. :

86428-83-3
Molecular Formula :

C20H16O
Assay :

99%min
Package :

20kgs Carton

Sinocure® LAP

Water-soluble photoinitiator, CAS 85073-19-4, LAP photoinitiator, hydrogel curing

SINOCURE® LAP is a water-soluble blue light photoinitiator that can rapidly initiate the curing of photosensitive hydrogel materials or bio-inks under the action of blue light (wavelength 405nm).

Chemical Name :

Lithium phenyl-2,4,6-trimethylbenzoylphosphinate
CAS No. :

85073-19-4
Molecular Formula :

C16H18LiO3P
Assay :

98.5%min
Package :

1kg/bag,10kgs/carton

Sinocure® CAT-551 – New product

Cationic photoinitiator, DETX structure photoinitiator, LED curing photoinitiator

SINOCURE® CAT-551 is a cationic photoinitiator with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor.

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-440

Bis(4-methylphenyl)iodonium hexafluorophosphate,cationic photoinitiator, iodonium salt

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,non-yellowing photoinitiator, UV LED curing

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

Iron-based photoinitiator, CAS 32760-80-8, thermal activation, cationic curing systems

SINOCURE® CAT-261 is a cationic photoinitiator,used in cationic curing systems.Recommended dosage: 0.5-5%(w/w).

Chemical Name :

cyclopentadienyliron(II)hexafluorophosphate
CAS No. :

32760-80-8
Molecular Formula :

C14H17FePF6
Assay :

98%min
Package :

1KG/BAG,20kgs/carton

Sinocure® BCIM

HABI photoinitiator, PCB photoresist

Hexaarylbisimidazole(HABI) is a class of organic compounds, usually hexaphenylbisimidazole.

Chemical Name :

2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole
CAS No. :

7189-82-4
Molecular Formula :

C42H28Cl2N4
Assay :

99%min
Package :

20kg/carton;25kg/Drum.

Sinocure® 784

Newly Developed PIs, Sinocure® Photoinitiator, Type I Free radical photoinitiator

Sinocure®784 is a very active orange solid photoinitiator with good photoactivity, thermal stability and low toxicity.

Chemical Name :

BIS(2,6-DIFLUORO-3-(1-HYDROPYRROL-1-YL)PHENYL)TITANOCENE
CAS No. :

125051-32-3
Molecular Formula :

C30H22F4N2Ti10*
Assay :

99%
Package :

1kg/bag,5kgs/drum

Sinocure® 754

Photoinitiator 754, CAS 211510-16-6, low odor photoinitiator, plastic coatings

Sinocure® 754 is a liquid photoinitiator which is used to efficiently initiate the photo polymerization of unsaturated prepolymers – e.g., acrylates –in combination with mono- or multifunctional vinyl monomers.

Chemical Name :

Photoinitiator 754;Oxy-phenyl-acetic acid 2-[2-oxo-2-phenyl-acetoxy-ethoxy]-ethyl ester and Oxy-phenyl-acetic acid 2-[2-hydroxy-ethoxy]-ethyl ester
CAS No. :

211510-16-6 & 442536-99-4
Molecular Formula :

/
Assay :

98%min
Package :

20kgs or 25 kgs /drum

Sinocure® 250

Iodonium photoinitiator, CAS 344562-80-7, UV curing catalyst, flexo inks

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® 2425

Bis(4-methylbenzoyl)phenylphosphine oxide, TPO replacement, economical photoinitiator, UV curing

SINOCURE® 2425 is a highly efficient free radical (I) type, with a similar chemical structure to SINOCURE® TPO.

Chemical Name :

di-p-tolyl(2,4,6-trimethylbenzoyl)phosphine oxide
CAS No. :

270586-78-2
Molecular Formula :

C24H25O2P
Assay :

≥98.5%
Package :

20kgs/carton

Sinocure® 160

Difunctional alpha hydroxy ketone, CAS 71868-15-0, ESACURE KIP 160 alternative, food packaging photoinitiator

Sinocure® 160 is a high-performance polymeric photoinitiator manufactured for food packaging and powder coatings.

Chemical Name :

Difunctional alpha hydroxy ketone;2-Hydroxy-1-[4-[4-(2-hydroxy-2-methylpropionyl)phenoxy]phenyl]-2-methylpropanone
CAS No. :

71868-15-0
Molecular Formula :

C20H22O5
Assay :

99%min
Package :

20kgs/carton

Sinocure® 150

Macromolecular photoinitiator, CAS 163702-01-0, water-based UV curing, low yellowing photoinitiator

SINOCURE® 150 is a specialized oligomeric photoinitiator manufactured for wood coatings and printing inks.

Chemical Name:

Oligomeric alpha hydroxy ketone
CAS No. :

163702-01-0
Molecular Formula :

(C13H16O2)n
Assay :

85%min
Package :

25kg/Drum.

Sinocure® 127

Type I photoinitiator, CAS 474510-57-1, clear coating initiator, low volatility photoinitiator

SINOCURE® 127 is a highly efficient free radical type I photoinitiator with low volatility,

Chemical Name:

2-hydroxy-1-[4-[4-(2-hydroxy-2-methylpropionyl)benzyl)phenyl)-2-methylpropan-1-one
CAS No. :

474510-57-1
Molecular Formula :

C21H24O4
Assay :

98%min
Package :

20kg/carton;25kg/Drum.

Sinocure® 1206

UV photoinitiator 1206, electronic material inks, display color filter, high pigment loading

Sinocure® 1206 is a specialized photoinitiator manufactured for display color filters and electronic inks. This product enables curing in high-pigment systems up to 35% carbon black loading, offering excellent sensitivity at 365nm.

Chemical Name :

Photoinitiator APi-1206
CAS No. :

Undisclosed
Molecular Formula :

Undisclosed
Assay :

99%min
Package :

20kgs or 25kgs /drum/carton

Sinocure® CAT-550

Sinocure® CAT-550

SINOCURE® CAT-550

WHY CHOOSE SINOCURE?

Related product recommendations

Sinocure® PSS-DEN

Sinocure® MMPI-1477

Sinocure® PSS-DBA

Sinocure® PD-01

Sinocure® MPBZ (6012)

Sinocure® LAP

Sinocure® CAT-551 – New product

Sinocure® CAT-440

Sinocure® CAT-263

Sinocure® CAT-261

Sinocure® BCIM

Sinocure® 784

Sinocure® 754

Sinocure® 250

Sinocure® 2425

Sinocure® 160

Sinocure® 150

Sinocure® 127

Sinocure® 1206