. 2020 May 7;12(5):1073. doi: 10.3390/polym12051073

Table 1.

Comparison of spectroscopic properties, solubility, and toxicity of water-soluble monoacylphosphine oxide (MAPO) and bisacylphosphine oxide (BAPO) derivatives [142].

Initiator	Derivative of	Spectroscopic Properties		Solubility [g/dm³]	Toxicity LC₅₀ [mmol/dm³]
Initiator	Derivative of	λ_max-ab [nm]	ε _@λmax-ab [dm³·mol^-1·cm^-1]	Solubility [g/dm³]	Toxicity LC₅₀ [mmol/dm³]
LAP	MAPO	380.5	191	47	3.1
TPO-Na	MAPO	380.5	250	29	< 0.56
BAPO-OLi	BAPO	383.5	197	54	2.6
Bapo-ONa	BAPO	383.5	256	60	2.8

LC₅₀ – determines cytotoxicity in the cell culture. LC₅₀ corresponds to the concentration of a given medium, which is fatal for 50% of cells.