CAS 795-43-7

Bis(4-hydroxyphenyl)phenylphosphine oxide

Description:

Bis(4-hydroxyphenyl)phenylphosphine oxide, with the CAS number 795-43-7, is an organophosphorus compound characterized by its unique structure, which includes a phosphorus atom bonded to two 4-hydroxyphenyl groups and one phenyl group. This compound typically appears as a solid and is known for its thermal stability and potential applications in polymer chemistry, particularly as a photoinitiator in UV-curable systems. The presence of hydroxyl groups contributes to its reactivity and ability to form hydrogen bonds, enhancing its solubility in various organic solvents. Additionally, the phosphine oxide functionality imparts significant properties such as flame retardancy and improved mechanical strength to materials in which it is incorporated. Its synthesis often involves the reaction of phenolic compounds with phosphorus-containing reagents, and it is important to handle this compound with care due to potential toxicity associated with organophosphorus compounds. Overall, Bis(4-hydroxyphenyl)phenylphosphine oxide is a versatile compound with valuable applications in advanced materials and coatings.

Formula: C₁₈H₁₅O₃P

InChI: InChI=1S/C18H15O3P/c19-14-6-10-17(11-7-14)22(21,16-4-2-1-3-5-16)18-12-8-15(20)9-13-18/h1-13,19-20H

InChI key: InChIKey=FYXPKOPFEGFWHG-UHFFFAOYSA-N

SMILES: P(=O)(C1=CC=C(O)C=C1)(C2=CC=C(O)C=C2)C3=CC=CC=C3

Synonyms:

• 4,4'-(Phenylphosphoryl)Diphenol
• 4,4′-(Phenylphosphinylidene)bis[phenol]
• Bis(4-Hydroxyphenyl)Phenylphosphine Oxide
• Di-(p-hydroxyphenyl)phenyl phosphine oxide
• Phenol, 4,4′-(phenylphosphinylidene)bis-
• Phenol, 4,4′-(phenylphosphinylidene)di-