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415952

Sigma-Aldrich

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

97%

Sinónimos:

(2,4,6-Trimethylbenzoyl)diphenylphosphine oxide, (Diphenylphosphoryl)(mesityl)methanone, 2,4,6-Trimethylbenzoylphenyl phosphinate

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About This Item

Fórmula lineal:
(CH3)3C6H2COP(O)(C6H5)2
Número de CAS:
75980-60-8
Peso molecular:
348.37
EC Number:
278-355-8
MDL number:
MFCD00192110
UNSPSC Code:
12162002
PubChem Substance ID:
24866046
NACRES:
NA.23

Quality Level

200

assay

97%

form

powder

mp

88-92 °C (lit.)

SMILES string

Cc1cc(C)c(c(C)c1)C(=O)P(=O)(c2ccccc2)c3ccccc3

InChI

1S/C22H21O2P/c1-16-14-17(2)21(18(3)15-16)22(23)25(24,19-10-6-4-7-11-19)20-12-8-5-9-13-20/h4-15H,1-3H3

InChI key

VFHVQBAGLAREND-UHFFFAOYSA-N

General description

Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide (TPO) is a monoacylphosphine oxide based photoinitiator that can be incorporated in a variety of polymeric matrixes for efficient curing and color stability of the resin.

Application

TPO can be used in the photo-crosslinking of PMMA composite, which can further be used as a gate insulator in organic thin film transistors (OTFTs). It can also be used in the formation of UV curable urethane-acrylate coatings. It may also be used in the photoinduced reaction for the formation of organophosphine compounds, which potentially find their usage as ligands with metal catalysts and reagents.

Storage and Stability

light sensitive

signalword

Warning

Hazard Classifications

Aquatic Chronic 2 - Repr. 2 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
MKCK2344
MKCK1542
MKCJ7769
MKCJ1267
MKCF5681

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Monomer-to-polymer conversion and micro-tensile bond strength to dentine of experimental and commercial adhesives containing diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide or a camphorquinone/amine photo-initiator system
Miletic V, et al.
Journal of Dentistry, 41(10), 918-926 (2013)
Frederik Kotz et al.
Advanced materials (Deerfield Beach, Fla.), 31(26), e1805982-e1805982 (2019-02-19)
3D printing has emerged as an enabling technology for miniaturization. High-precision printing techniques such as stereolithography are capable of printing microreactors and lab-on-a-chip devices for efficient parallelization of biological and biochemical reactions under reduced uptake of reactants. In the world
Pamela Robles Martinez et al.
AAPS PharmSciTech, 19(8), 3355-3361 (2018-06-28)
Additive manufacturing (3D printing) permits the fabrication of tablets in shapes unattainable by powder compaction, and so the effects of geometry on drug release behavior is easily assessed. Here, tablets (printlets) comprising of paracetamol dispersed in polyethylene glycol were printed
PMMA-based patternable gate insulators for organic thin-film transistors
Kim TG, et al.
Synthetic Metals, 159(7-8), 749-753 (2009)
Gavin Burke et al.
Polymers, 12(9) (2020-09-10)
Stereolithography (SLA)-based 3D printing has proven to have several advantages over traditional fabrication techniques as it allows for the control of hydrogel synthesis at a very high resolution, making possible the creation of tissue-engineered devices with microarchitecture similar to the
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