Insights into Phosphorus-Containing Flame Retardants …
247
Table 1
(continued)
OPFRs classes
Chemical structures
PH
O
HO
O
p-Methoxyphenylphosphinic
acid (PMPPA)
P
O
HO
O
HO
Carboxyethyl-phenylphosphinic acid (CEPPA)
P
O
OH
OH
Hydroxymethylphenylphosphinic acid (HMPPA)
P
O
HO
Dibenzylphosphinic acid (DBPA)
P
O
HO
N
N
Bis(2-cyanoethyl)phosphinic acid (BCEPA)
P
O
HO
O
OH
4-Carboxyphenylphenylphosphinic acid (CPPPA)
(continued)