KnowraCarbon monoxideLinked fromLinked fromThe 55 pages that link to Carbon monoxide, each with the reason it gives.All 55Broader topic 14Related 30Narrower topic 1Compared with 10Carbon dioxideCompared with: It differs from CO₂ by one oxygen atom and has very different toxicity and chemistry.Nitric oxideCompared with: Both are small gaseous signaling or toxic molecules, but their biological chemistry differs sharply.Hydrogen cyanideCompared with: Both can cause fatal cellular oxygen deprivation, but through distinct mechanisms.21-centimeter lineCompared with: Its rotational lines reveal molecular clouds that the atomic-hydrogen line does not directly map.Nitrogen dioxideCompared with: Both can arise from combustion, but CO primarily causes harm by disrupting oxygen transport in blood.Tropospheric ozoneCompared with: It is a combustion pollutant and ozone precursor, but unlike ozone it is emitted directly.Nitric oxide synthaseCompared with: Like nitric oxide, it can signal through heme proteins, but it is not a nitric oxide synthase product.PhosgeneCompared with: Its formula resembles phosgene’s carbon–oxygen core, but its toxic mechanism and composition differ.Carbon suboxideCompared with: Its simple one-carbon structure contrasts with carbon suboxide’s extended cumulated chain.Carbonyl sulfideCompared with: Both gases contain a carbonyl unit, but carbon monoxide lacks sulfur and has distinct toxicity and atmospheric chemistry.