磷是一种化学元素，符号为P，原子序数为15。元素磷以白磷和红磷两种主要形式存在，但由于其高度活性，磷在地球上从未被发现是自由元素。它在地壳中的浓度约为每千克1克(而铜的浓度约为每千克0.06克)。除少数例外，含磷矿物以无机磷酸盐岩的形式处于最大氧化状态。
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
(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
(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
Chlorotripyrrolidinophosphonium Hexafluorophosphate
Dibromotriphenylphosphorane
Triphenylphosphine selenide
Triphenylphosphine sulfide
Tri-p-tolylphosphine
