organic phosphorus
Refers to phosphorus in organic compounds, often in agricultural or environmental contexts.
有機リンは農薬に広く使われている。
Organic phosphorus is widely used in pesticides.
noun which may take the genitive case particle 'no'
organophosphorus
Used attributively to describe compounds containing carbon-phosphorus bonds, e.g., organophosphorus pesticides.
有機リン系の殺虫剤は神経に作用する。
Organophosphorus insecticides act on the nervous system.
Compound of 有機 (organic) and リン (phosphorus), a direct calque from English 'organic phosphorus'.