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。
Dichloro(p-cymene)triphenylphosphineruthenium(II)
(R)-2,2'-Bis(di-p-tolylphosphino)-1,1'-binaphthalene
(R)-5,5'-Bis(diphenylphosphino)-4,4'-bibenzo[d][1,3]dioxole
(S)-5,5'-Bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole
Triphenylphosphine oxide
Tris(2,4-dimethylphenyl)phosphine
(11bR)-4-Hydroxy-2,6-bis(2,4,6-triisopropylphenyl)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide
(R)-2-Amino-5-phosphonopentanoic acid
1,1'-Bis(dicyclohexylphosphino)ferrocene
Triphenylphosphine hydrobromide
Sodium phosphate dibasic heptahydrate
(E)-1,2-Bis(diphenylphosphino)ethene
1-decyl-3-methylimidazolium hexafluorophosphate
2'-Deoxyguanosine-5'-triphosphate trisodium salt
Diallyl diisopropylphosphoramidite
trans-Dibromobis(triphenylphosphine)palladium(II)
3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
(4-(Methoxycarbonyl)benzyl)triphenylphosphonium chloride
Tri(naphthalen-1-yl)phosphine
Tri(furan-2-yl)phosphine
Tributyl phosphate
Bis(tri-n-butylammonium) pyrophosphate
4-(Diphenylphosphino)-N,N-dimethylaniline
Triethyl4-phosphonobutyrate
Dichlorodicarbonylbis(triphenylphosphine)ruthenium(II)
Dichlorotris(triphenylphosphino)ruthenium (II)
Tricyclohexylphosphonium tetrafluoroborate
Ethyl 2-(diethoxyphosphoryl)pentanoate
Ethyl 4-(diethoxyphosphoryl)-3-methylbut-2-enoate
