CAS:75980-60-8 TPO(2,4,6-trimethylbenzoyldiphenyl Phosphine Oxide)

CAS:75980-60-8 TPO(2,4,6-trimethylbenzoyldiphenyl Phosphine Oxide)

We can provide certificates COA, MSDS and REACH. If you need a certificate we don't have it, please believe that we have the ability to provide it. The annual supply is about 50,000 tons and has been exported to many countries. In addition to TPO, we can provide initiators such as TPO-L, 819, and so on. In addition, we can also provide monomer, if you want to know more information, please contact me.

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Product Details

tpo

Specification

Items

Technical index

Product name

2,4,6-trimethylbenzoyldiphenyl phosphine oxide

Synonyms

Photoinitiator TPO

CAS No.

75980-60-8

Molecular formula

C22H21O2P

Molecular Weight

348.37

Appearance

light yellow powder

Assay

99%min

Melting Point

90.0-94.0 'C 

Loss Rate:Volatile Matter

0.5%max

Ash Content

0.1%max

Dlarity

10 g / 100 ml toluene


TPO appears light yellow powdermelting point is at 90-94'Cand it has enough solubility in active diluents.

Since it has a wide range of absorptionthe typical absorptions are at 365nm380nm400 nmand the maximum

absorption wavelength is about 425nmits absorption range is wider than conventional photoinitiatorsand

it can absorb well different wavelength UV-lights. It can generate two free radicals——benzoyl and phosphorus

acyl which both caninitiatepolymerizationthereforeits photocuring speed is fastand that it has

light-decolourizatiois suitable for thick film deep curingmoreoverthe coating doesn’t turn to yellowand it is also

fit forwater base with the characteristic of low volatilitymild smell and anti-yellowing.

This product usually be used in the white systemcan be used in UV cure coatingsprinting inkUV curing

adhesivesoptical fiber coatingslight stabilizerlight polymerization formestereosurface plate resincomposite materials and teeth filling material etc..

The usage of this product should base on the results of practicalexperimentsand the suggested volume of addition is 0.5-5 % (w/w).

 In consideration of that TPO also absorbs a little in the visible regionit should be protected from light in the process of storage and transportation.

Advantages:

1. Its photocuring speed is fast

2. Have light-decolourizatio

3. Can be used for thick coating curing  

4. Belongs to low-volatilitymild-smell and environment friendly product

5. Anti-yellowing 

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Transport

快递001

Starting from the day of shipment, it will take about 5-7 days to ship by air in Asia, 7-12 days to ship in Europe, 15 days to ship in Africa and about 20 days to ship further afield.The shipping time shall be determined according to the specific shipping date.

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