Sinocure® 2425

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Sinocure® 2425

Phosphine oxide photoinitiator, TPO alternative, UV varnishes, free radical photoinitiator

SINOCURE® 2425 is a highly efficient free radical (I) type, with a similar chemical structure to SINOCURE® TPO.It is an economical and environmentally friendly photoinitiator which can completely replace SINOCURE® TPO.Used for initiating UV polymerization of unsaturated prepolymerization systems.

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Sinocure® 2425


Synonym:  [bis(4-methylphenyl)phosphoryl](mesityl)methanone,Speedcure TPO;Irgacure TPO;Sinocure TPO;Darocure TPO;Genocure TPO;Chivacure TPO;JRCure TPO;Photocure TPO; TPO Photoinitiator

Molecular Formula:  C24H25O2P

Molecular Structure:


General Information :

SINOCURE® 2425 is a highly efficient free radical (I) type, with a similar chemical structure to SINOCURE® TPO,It is an economical and environmentally friendly photoinitiator which can completely replace SINOCURE® TPO.Used for initiating UV polymerization of unsaturated prepolymerization systems.

Specification :
AppearanceSlightly yellow powder
Purity≥98.5%
Melting point120 – 135℃


Application :

UV curable inks and varnishes for paper, metal and plastic surfaces.


UV absorption spectrum：

التعبئة والتغليف :

20kg/carton

تخزين :

Being kept in dry, clean warehouse with well ventilation.

Avoid exposing to light and heating.

Protecting the product from leakage, rain and insolation during transportation.


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

توصيات المنتجات ذات الصلة

Sinocure® TPO-L

Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate, TPO-L photoinitiator, liquid photoinitiator

Sinocure®TPO-L is a liquid photoinitiator, used to initiate UV polymerization of unsaturated prepolymerization systems.

  • Chemical Name :

    Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate

  • CAS No. :

    84434-11-7

  • Molecular Formula :

    C18H21O3P

  • Assay :

    95% or 98%

  • Package :

    20kgs or 25kgs/drum

Sinocure® TPO

Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide, TPO photoinitiator, free radical photoinitiator

Sinocure® TPO is a highly efficient free radical (I) type, highly efficient photoinitiator. 

  • Chemical Name :

    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide

  • CAS No. :

    75980-60-8

  • Molecular Formula :

    C22H21O2P

  • Assay :

    ≥99.0%

  • Package :

    20kgs/carton

Sinocure® TBMPS

Phenyl Tribromomethyl Sulfone Photoinitiator for Electronics,photoinitiator TBMPS, PCB photoresist

SINOCURE® TBMPS is a UV curing initiator mainly used in the electronics industry.

  • Chemical Name :

    Phenyl tribromomethyl sulfone

  • CAS No. :

    17025-47-7

  • Molecular Formula :

    C7H5Br3O2S

  • Assay :

    98%min

  • Package :

    20kg/carton;25kg/Drum.

Sinocure® PD-01

1-Phenyl-1,2-propanedione,low toxicity photoinitiator, LED photoinitiator

Sinocure®PD-01, chemical name is 1-Phenyl-1,2-propanedione, 

  • Chemical Name :

    1-Phenyl-1,2-propanedione

  • CAS No. :

    579-07-7

  • Molecular Formula :

    C9H8O2

  • Assay :

    99%

  • Package :

    1kg/bottom or 20kgs/drum

Sinocure® OXE-02

Oxime ester photoinitiator, OXE-02, display spacer material

Sinocure® OXE-02 is an oxime ester photoinitiator with high photosensitivity and a broad absorption peak, 

  • Chemical Name :

    Photoinitiator OXE-02

  • CAS No. :

    478556-66-0

  • Molecular Formula :

    C26H24N2O3

  • Assay :

    99%min

  • Package :

    1kg/bag,10kgs/carton

Sinocure® OXE-01

Oxime ester photoinitiator, OXE-01, display spacer material, photoresist initiator

Sinocure® OXE-01 is an oxime ester photoinitiator with high photosensitivity and a broad absorption peak,

  • Chemical Name :

    Photoinitiator OXE-01; 1-[4-(Phenylthio)phenyl]-1,2-octanedione 2-(O-benzoyloxime)

  • CAS No. :

    253585-83-0

  • Molecular Formula :

    C27H27NO3S

  • Assay :

    98%min

  • Package :

    10kgs/carton

Sinocure® LAP

Lithium phenyl-2,4,6-trimethylbenzoylphosphinate, water-soluble photoinitiator, 405nm blue light initiator

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® DEAP

2,2-Diethoxyacetophenone, DEAP photoinitiator, UV curing adhesive

Sinocure® DEAP is a high-efficiency photoinitiator with fast curing speed, 

  • Chemical Name :

    2,2-Diethoxyacetophenone

  • CAS No. :

    6175-45-7

  • Molecular Formula :

    C12H16O3

  • Assay :

    98%min

  • Package :

    25kgs to 200kgs/drum.

Sinocure® BDK/651

Benzil dimethyl ketal,BDK photoinitiator, UV curing initiator

Sinocure® BDK/651 (Benzil Dimethyl Ketal) is a new type of ultraviolet photosensitizer with excellent performance.

  • Chemical Name :

    2,2-Dimethoxy-2-phenylacetophenone /Benzil Dimethyl Ketal

  • CAS No. :

    24650-42-8

  • Molecular Formula :

    C16H16O3

  • Assay :

    ≥99.0%

  • Package :

    20kgs/carton

Sinocure® BCIM

Hexaarylbisimidazole derivative, CAS 7189-82-4, HABI photoinitiator, UV curing coatings

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® 907

photoinitiator 907, UV ink photoinitiator

Sinocure®907 is a highly active photoinitiator with high photoinitiator efficiency and absorption wavelength of 330~385nm. 

  • Chemical Name :

    2-Methyl-4'-(methylthio)-2-morpholinopropiophenone

  • CAS No. :

    71868-10-5

  • Molecular Formula :

    C15H21NO2S

  • Assay :

    ≥99.0%

  • Package :

    20kgs/carton

Sinocure® 819 DW

Bisacylphosphine oxide dispersion,water-based photoinitiator, 819 DW

Sinocure® 819 DW is a dispersion of Sinocure 819 in water,specially used in water-based systems.

  • Chemical Name :

    Photoinitiator 920;Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide

  • CAS No. :

    162881-26-7

  • Molecular Formula :

    C26H27O3P

  • Assay :

    45%min

  • Package :

    20kgs or 25kgs /drum

Sinocure® 819 (920)

BAPO photoinitiator, thick film curing

Sinocure® 819 can be used as photoinitiator for uv curing system.

  • Chemical Name :

    Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide

  • CAS No. :

    162881-26-7

  • Molecular Formula :

    C26H27O3P

  • Assay :

    99%min

  • Package :

    20kgs/carton

Sinocure® 379

α-Aminoketone photoinitiator, UV curing agent, photoresist initiator

SINOCURE®379 is a highly efficient UV curing agent which is used to initiate the photopolymerisation of chemically prepolymers – e.g.acrylates – in combination with mono- or multifunctional monomers.


  • Chemical Name :

    2-Dimethylamino-2-(4-methyl-benzyl)-1-(4-morpholin-4-yl-phenyl)-butan-1-one

  • CAS No. :

    119344-86-4

  • Molecular Formula :

    C24H32N2O2

  • Assay :

    99% min

  • Package :

    20kgs/carton

Sinocure® 369

2-Benzyl-2-(dimethylamino)-4-morpholinobutyrophenone,UV curing agent, photoresist initiator

Sinocure® 369 is a highly efficient UV curing agent which is used to initiate the photopolymerisation of chemically prepolymers – e.g. acrylates – in combination with mono- or multifunctional monomers.

  • Chemical Name :

    2-Benzyl-2-dimethylamino-1-(4-morpholinophenyl)-butanone-1

  • CAS No. :

    119313-12-1

  • Molecular Formula :

    C23H30N2O2

  • Assay :

    99% min

  • Package :

    20kgs/carton

Sinocure® 2959

Sinocure® Photoinitiator, Type I Free radical photoinitiator

SINOCURE®2959 is a high-efficiency non-yellowing UV photoinitiator, 

  • Chemical Name :

    2-Hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone

  • CAS No. :

    106797-53-9

  • Molecular Formula :

    C12H16O4

  • Assay :

    99% min

  • Package :

    20kgs/carton

Sinocure® 184

1-Hydroxycyclohexyl phenyl ketone,Type I photoinitiator, UV curing initiator

Sinocure®184 is high-efficiency free radical type I photoinitiator, easily soluble in organic solvents and monomers. 

  • Chemical Name :

    1-Hydroxycyclohexyl phenyl ketone

  • CAS No. :

    947-19-3

  • Molecular Formula :

    C13H16O2

  • Assay :

    ≥99.0%

  • Package :

    20kgs/carton

Sinocure® 160

Polymeric photoinitiator, ESACURE KIP 160 alternative, food packaging coating, powder coating initiator

Sinocure® 160 is a specialized polymeric photoinitiator manufactured for UV-curable plastics and optical fibers.

  • 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

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

SINOCURE® 150 (CAS 163702-01-0) is an oligomeric alpha hydroxy ketone photoinitiator manufactured for water-based UV curing systems.

  • Chemical Name :

    Oligomeric alpha hydroxy ketone

  • CAS No. :

    163702-01-0

  • Molecular Formula :

    (C13H16O2)n

  • Assay :

    85%min

  • Package :

    25kg/Drum.

Sinocure® 127

low odor photoinitiator, UV inkjet ink

Sinocure® 127 (CAS 474510-57-1) is a high-efficiency Type I photoinitiator manufactured for UV-curable thin coatings and inkjet inks. 

  • 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

Photoinitiator APi-1206, UV curing initiator, carbon black pigment system, TFT-LCD color filter

 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® 1173

Sinocure® Photoinitiator, Type I Free radical photoinitiator

Sinocure® 1173 (CAS 7473-98-5) is 2-Hydroxy-2-methylpropiophenone, a versatile liquid photoinitiator manufactured for UV-curable coatings and printing inks.

  • Chemical Name :

    2-Hydroxy-2-methylpropiophenone

  • CAS No. :

    7473-98-5

  • Molecular Formula :

    C10H12O2

  • Assay :

    99%

  • Package :

    20kgs or 25kgs/drum

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