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Diphenyl (2,4,6-trimethylbenzoyl)- phosphine oxide_75980-60-8

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

  • CAS:


  • Synonym:

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


Product Name: Diphenyl (2,4,6-trimethylbenzoyl)- phosphine oxide
Other Name: Diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone
CAS No: 75980-60-8
MF: C22H21O2P
MW: 348.37500
Density: 1.12 g/mL at 25 °C(lit.)
Boiling point: 519.6ºC at 760 mmHg
Melting point: 88-92 °C(lit.)
Flash point: >230 °F
Refractive index: n20/D 1.475(lit.)
UN Number: UN3077
Transport hazard class: 9
Packing group: III
Appearance: Light yellow crystalline powder
Assay: ≥99%
Volatile matter: ≤0.30%
TPO is a highly efficient, general-purpose UV photoinitiator for printing inks and adhesives on wood, metal, plastic, paper and fiber surfaces.
TPO exhibits good solubility in some common UV formulations such as acrylates, unsaturated polyester systems.
It can be used alone or in combination with other photoinitiators.
TPO cures very fast photoinitiators.
TPO is a highly efficient free radical (I) type photoinitiator, especially suitable for the field of colored systems and film thickness curing.
TPO is widely used in various coatings due to its wide absorption range.
Due to its excellent absorption properties, it is particularly suitable for screen printing inks, lithographic printing, flexographic inks, wood coatings, and 184 for use in adhesive products.
The use of this product should be based on the results of the actual experiment, the recommended addition amount is 0.5-4% w/w.
Package: 25kg/drum, can also be designed according to customer requirements.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

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Laboratory in Ningbo
Our company's R&D company, Ningbo Gino Chemical Co., Ltd. was established in December 2011. we have several fume hoods and kilogram laboratory, and have purchased 20L, 50L reactors and as a preliminary pilot manufacturing of the products. At the same time, We mobilized external resources to establish a pilot facility in Henan Zhumadian and Anhui Anqing, and cooperating with Shandong Zibo and Jiangsu Changzhou factories as a large production facility for our products.

Factory in Shanxi Province
At the end of 2017, We invested workshop in Xinjiang County Longzhou Chemical Co., Ltd., Xinjiang County Coal Mine Park, Yuncheng, Shanxi. The first phase of the reactors were 30* 2000L~5000L, The contract output value is 50 million annually, factory has passed the audit from public listed company domestic and abroad.

Factory in Shandong Province
The production base of liquid rectification chemical products located in Liaocheng, Shandong Province is the main outsourcing production base of our company. The products are sold to leading enterprises and listed companies in the carcass industry for many years. The production, quality and service are stable, delivery is timely, and some individual products are covering 90% of the market.

Factory in Henan Province
In year 2020, We invested workshop in Henan province, the workshop consists of 50*2000L~5000L reactors, The types of reactions that can be manufacturer there are: bromination, cyanidation, and conventional reactions.

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