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Diphenyl(2,4,6-Trimethylbenzoyl)Phosphine Oxide

CAS NO.： 75980-60-8

FOB Price： NEGOTIABLE Get Latest Price

Specification： ≥99.0%

Documentation：

COA

Lead Time： 14-30 days

Max Capacity： -

Packing： 20KG/Carton

Product Detail

Properties

JRCure-1108

JRCure No.	JRCure-1108	General No.	TPO
Chemical Name	2,4,6-trimethylbenzoyldiphenyl phosphine oxide
CAS No.	75980-60-8
Appearance	Yellow crystal
Melting Point [℃]	91-95
Absorption Peak [nm]	295,380,393
Package	20KG CARTON
Application	Offset Inks, Flexo Inks, Silkscreen Inks, Overprint Varnishes, Wood Coatings, Electronics, Adhesives, Coating on Plastics

Properties

As photoinitiator, it is mainly used for silk screen printing ink, lithographic printing ink, flexo printing ink and wood coating. TPO can be completely cured on the pigmented surface of white or high titanium dioxide. It is widely used in various coatings. Because of its excellent absorption performance, it is especially suitable for silk screen printing ink, lithography, flexographic ink and wood coating. The coating does not turn yellow, the post polymerization effect is low and there is no residue. It can also be used for transparent coating, especially for products with low odor requirements. When used alone in unsaturated polyester containing styrene system, it has high initiation efficiency. Acrylate systems, especially colored systems, usually need to be combined with amine or acrylamide and other photoinitiators to achieve complete curing of the system, especially for low yellowing, white systems and thick films. When the photoinitiator TPO is used with mob240 or cbp393, the curing efficiency can be improved. It is the best extraction solvent for petroleum aromatics units and is also used as formylation reagent in fine chemical industry.

CAS No.

75980-60-8

Formula

C22H21O2P

Molecular Mass

348.37500

Exact Mass

348.12800

PSA

43.95000

Logp

4.76610

IUPAC

diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone

Matter Classification

organic

Category

Melting Point

88-92 °C

Density

1.12 g/mL

Boiling Point

519.6ºC

Flash Point

>230 °F

Appearance

light yellow powder，weak odor

Acidity and Basicity

neutral

HS Code

29319000

Export Formalities

A,B N,M,R,S

UN No.

3077

Risk Code

R22-62-51/53

Safety Label

Xn,N

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