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Parchem Is The Exclusive US Distributor Of RainBow Power Photoinitiator TPO, TPO-L And 819!

May 15, 2018

by Mike Wolf

Parchem - fine & specialty chemicals is pleased to announce its exclusive partnership with RainBow Power Development Limited for the distribution of photoinitiator TPO, TPO-L and 819 in the United States.

The combination of RainBow Power's technical expertise and Parchem’s efficient distribution channel will provide a superior and unrivaled service for Parchem customers.

Since 2011, RainBow Power has grown to be the leading manufacturer within the global UV curing industry. Like Parchem, RainBow Power is an ISO 9001 certified company dedicated to delivering world class products and services to customers. To meet its high quality standards, RainBow Powers has three manufacturing and three research and development facilities in China, where continuous testing and improvement takes place, ensuring the highest degree of excellence.

Our Executive Vice President, Luigi Magliaro, is an expert within this industry and has spearheaded the establishment of this relationship. In tight markets, Parchem takes positions that benefit its customers for both the short and long term. UV curing materials is an example of one of those tight markets. Luigi is looking forward to Parchem's newly established position and creating a long-term, stable and reliable distribution channel for years to come, stating:

"We are excited to announce our recent new partnership with RainBow Power Development as their exclusive US distributor and look forward in expanding their reach into the US market for their photoinitiator TPO, TPO-L & 819."

A breakdown of the products is below:

Photo-initiator TPO

Chemical Name: Diphenyl (2,4,6-trimethylbenzoyl)-phosphine oxide
CAS No.: 75980-60-8
Molecular Weight: 348.37
Appearance: Pale Yellow Crystal or Power
Purity: 99.0%
Melting Point: 91-94°C
Absorption (nm): 273, 370

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Photo-initiator TPO-L


Chemical Name: Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate
CAS No.: 84434-11-7
Molecular Weight: 316.33
Appearance: Yellow liquid
Purity: 95.0%
Density (g/cm3, 20°C): 1.1
Absorption (nm): 299, 366

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Photo-initiator 819


Chemical Name: Bis (2,4,6-trimethylbenzoyl) Phenyl phosphine Oxide
EINECS NO.: 423-340-5
CAS No.: 162881-26-7
Molecular Weight: 418.5
Appearance: Yellowish Powder
Purity: 99.0%
Melting Range: 127-133°C
Absorption (nm): 237, 300

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If you have any questions about our products and services, please contact us at 1-800-282-3982 , info@parchem.com or complete the online form.