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Why is carbon monoxide posionous?

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Anonymous

15y ago
Updated: 8/18/2019

TL;DR, carbon monoxide suffocates you chemically.

Carbon monoxide is primarily poisonous because it binds to the oxygen carrying hemoglobine molecules easier than oxygen. This means the carbon monoxide recuces blood's ability to carry oxygen from lungs to tissues. It also adversely affects myoglobine and mitochondria from functioning normally.

Carbon monoxide also stays bound to hemoglobine molecules for a relatively long time, before it is supplanted by normal oxygen. In normal atmosphere, the half-life of CO in blood is 320 minutes. Pure oxygen treatment can reduce the half-life to 80 minutes, and hyperbaric oxygen treatment can further reduce the half-life.

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Wiki User

15y ago

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