Originally Posted by
admikar
Pure oxygen is not a problem under 10 bar of pressure.
I notice that -- The Apollo 1 fire which killed three astronauts in 1967 occurred in an oxygen atmosphere at about 1 bar.
"After the hatches were sealed, the air in the cabin was replaced with pure oxygen at 16.7
psi (115
kPa), 2 psi (14 kPa) higher than atmospheric pressure"