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CAS 162881-26-7

:

phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide

Description:
Phenyl bis(2,4,6-trimethylbenzoyl)phosphine oxide, with the CAS number 162881-26-7, is a chemical compound commonly used as a photoinitiator in polymerization processes, particularly in UV-curable systems. This substance features a phosphine oxide functional group, which is crucial for its ability to generate free radicals upon exposure to UV light, initiating the polymerization of monomers. Its structure includes two 2,4,6-trimethylbenzoyl groups attached to a central phosphorus atom, contributing to its effectiveness as a photoinitiator. The presence of bulky trimethylbenzoyl groups enhances its solubility in various organic solvents and improves its performance in formulations. Additionally, this compound is characterized by its stability under ambient conditions, making it suitable for various industrial applications, including coatings, adhesives, and inks. Safety data indicates that, like many chemical substances, it should be handled with care, following appropriate safety guidelines to mitigate any potential health risks. Overall, phenyl bis(2,4,6-trimethylbenzoyl)phosphine oxide is a valuable component in modern photopolymerization technologies.
Formula:C26H27O3P
InChI:InChI=1S/C26H27O3P/c1-16-12-18(3)23(19(4)13-16)25(27)30(29,22-10-8-7-9-11-22)26(28)24-20(5)14-17(2)15-21(24)6/h7-15H,1-6H3
InChI key:InChIKey=GUCYFKSBFREPBC-UHFFFAOYSA-N
SMILES:P(C(=O)C1=C(C)C=C(C)C=C1C)(C(=O)C2=C(C)C=C(C)C=C2C)(=O)C3=CC=CC=C3
Synonyms:
  • (Phenylphosphoryl)Bis[(2,4,6-Trimethylphenyl)Methanone]
  • (Phenylphosphoryl)bis(mesitylmethanone)
  • 1,1′-(Phenylphosphinylidene)bis[(2,4,6-trimethylphenyl)methanone]
  • 1,1′-(Phenylphosphinylidene)bis[1-(2,4,6-trimethylphenyl)methanone]
  • 819Dw
  • Basf 819
  • Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide
  • Boxing 819
  • Cgi 819Xf
  • Chivacure 789
  • See more synonyms
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