磷是一種化學(xué)元素，符號(hào)為P，原子序數(shù)為15。元素磷以白磷和紅磷兩種主要形式存在，但由于其高度活性，磷在地球上從未被發(fā)現(xiàn)是自由元素。它在地殼中的濃度約為每千克1克(而銅的濃度約為每千克0.06克)。除少數(shù)例外，含磷礦物以無機(jī)磷酸鹽巖的形式處于最大氧化狀態(tài)。
Ethyl 2-(diethoxyphosphoryl)pentanoate
Ethyl 4-(diethoxyphosphoryl)-3-methylbut-2-enoate
Diethyl (2-(methoxy(methyl)amino)-2-oxoethyl)phosphonate
Diethyl (2-bromoethyl)phosphonate
Diethyl 4-bromobenzylphosphonate
Diethyl 4-chlorobenzylphosphonate
Diethyl allylphosphonate
Diethyl phosphorocyanidate
Diethyl (hydroxymethyl)phosphonate
(S,S)-2,3-Bis(t-butylmethylphosphino)quinoxaline
(2-Cyanophenyl)diphenylphosphine
2-Chloro-4H-benzo[d][1,3,2]dioxaphosphinin-4-one
1-((11bS)-8,9,10,11,12,13,14,15-Octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)piperidine
(3aS,8aS)-(+)-4,4,8,8-Tetrakis(3,5-di-i-propylphenyl)tetrahydro-2,2-dimethyl-6-phenyl-1,3-dioxolo[4,5-e]dioxaphosphepin
Pentane-1,5-diylbis(triphenylphosphonium) bromide
1-Ethyl-2,3-dimethyl-1H-imidazol-3-ium hexafluorophosphate(V)
Diethyl phenylphosphonite
Diethyl hydrogen phosphate
Diethyltrichloromethylphosphonate
Diethyl vinylphosphonate
Diethyl (2-oxopropyl)phosphonate
Diethyl (3-bromopropyl)phosphonate
Methyl 2-(dimethoxyphosphoryl)acetate
Tri-m-tolylphosphine
Tri-n-butylphosphineoxide
(11BR)-2,6-bis(3,5-di-tert-butylphenyl)-4-hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide
(4S)-4-(2-Chlorophenyl)-2-hydroxy-5,5-dimethyl-1,3,2-dioxaphosphinane 2-oxide
Diethyl(phenyl)phosphane
Difluoromethylphosphonicaciddiethylester
