Phosphines

Asymmetric phosphine compounds and their applications as well as the emergence of a variety of novel compounds have greatly enriched the subjects of organic phosphorus chemistry. Phosphorus-containing antioxidants, stabilizers and the extractant, complexing agent of rare elements can be widely applied to the chemical industry. Organic phosphine compound in vivo is an important kind of energy and an important component for the formation of the biopolymer DNA and RNA backbone.

The organic phosphorus compound has a wide application in nucleic acids, coenzymes, organophosphorus nerve gases, organophosphorus insecticides, organophosphorus fungicides, organophosphorus herbicides, chemotherapeutic agents, plasticizers, antioxidants, surfactants, complexing agents, extraction agent of organic phosphorus, flotation agent and a flame retardant and so on.

The chemical structure of the organic phosphorus compound can be roughly divided into the following categories:
1. Phosphonate. Phosphoric acid is a tribasic acid, i.e., three of which may be replaced by hydrogen atoms with these hydrogen atoms being replaced by an organic group, known as phosphonate. These three groups, when being not exactly the same, are known as mixed esters. In organophosphorous pesticides, there are a lot of mixed phosphate esters, such as dichlorvos that is a mixture of phosphoric acid esters.
2. Mono-, di- and tri-phosphonothiolate. The oxygen atom of the phosphate molecule can be replaced by a sulfur atom, known as thiosulfate phosphonate, such as parathion, dimethoate, kitazine that all belonging to such structures.
3. Phosphoramidites and Thioxophosphamide. When the hydroxyl group in the phosphoric acid is replaced by an amino group, it is called phosphoramidites. The remaining oxygen atom in the phosphoramidites molecule may be replaced by a sulfur atom, and become thioxophosphamide such as methamidophos and crufomate.
4. Pyrophosphate, thiopyrophosphoric acid and pyrophosphate amide. Two phosphate molecules get rid of one molecule of water to form pyrophosphate with the hydrogen, oxygen and hydroxyl groups being able to be respectively, replaced by sulfur atom and amino group such as sulfotep.
5. Thio-phosphonate and phosphonate. One hydroxyl group is replaced by organic group which formed P-C bond inside the molecule, namely phosphonate. There have been some kinds of phosphonate and corresponding sulfur-substituted compounds as pesticides promotion, such as benzene parathion.
6. Phosphorous acid derivative. Some pesticides are derivatives of phosphorous acid. In the molecule of phosphorous acid, the phosphorus is trivalent such as deleaf defolian.
7. Phosphine. When the hydrogen inside the phosphine molecules is replaced by organic group, it is called phosphine. The structure of these compounds is similar with that of nitrogen compounds such as ammonia, amines and ammonium salts, known as orthopedic phosphine and phosphine.
8. Phosphoric acid or the hydroxy group inside phosphoric acid is replaced by a halogen.

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Structure Chemical Name CAS MF
Cyclohexyldiphenylphosphine Cyclohexyldiphenylphosphine 6372-42-5 C18H21P
Tricyclohexyl phosphine Tricyclohexyl phosphine 2622-14-2 C18H33P
Butyltriphenylphosphonium bromide Butyltriphenylphosphonium bromide 1779-51-7 C22H24BrP
Bis(triphenylphosphine)iminium chloride Bis(triphenylphosphine)iminium chloride 21050-13-5 C36H30ClNP2
2-CHLOROPHENYL PHOSPHORODICHLORIDATE 2-CHLOROPHENYL PHOSPHORODICHLORIDATE 15074-54-1 C6H4Cl3O2P
TRIPROPYLPHOSPHINE TRIPROPYLPHOSPHINE 2234-97-1 C9H21P
1,6-Bis(diphenylphosphino)hexane 1,6-Bis(diphenylphosphino)hexane 19845-69-3 C30H32P2
Vinylphosphonic acid Vinylphosphonic acid 1746-03-8 C2H5O3P
TRI-N-BUTYLPHOSPHINE OXIDE TRI-N-BUTYLPHOSPHINE OXIDE 814-29-9 C12H27OP
DIETHYLPHENYLPHOSPHINE DIETHYLPHENYLPHOSPHINE 1605-53-4 C10H15P
Methyl diethylphosphonoacetate Methyl diethylphosphonoacetate 1067-74-9 C7H15O5P
Tri-tert-butylphosphine Tri-tert-butylphosphine 13716-12-6 C12H27P
TRIS(2-CHLOROETHYL) PHOSPHITE TRIS(2-CHLOROETHYL) PHOSPHITE 140-08-9 C6H12Cl3O3P
2-(DI-T-BUTYLPHOSPHINO)-2'-METHYLBIPHENYL 2-(DI-T-BUTYLPHOSPHINO)-2'-METHYLBIPHENYL 255837-19-5 C21H29P
Dimethyl methylphosphonate Dimethyl methylphosphonate 756-79-6 C3H9O3P
Methyldiethoxyphosphine Methyldiethoxyphosphine 15715-41-0 C5H13O2P
Diethyl (2-oxopropyl)phosphonate Diethyl (2-oxopropyl)phosphonate 1067-71-6 C7H15O4P
4,5-Bis(dicyclohexylphosphino)-9,10a-dihydro- 9,9-dimethyl-8aH-xanthene 4,5-Bis(dicyclohexylphosphino)-9,10a-dihydro- 9,9-dimethyl-8aH-xanthene 940934-47-4 C39H56OP2
BIS(DIPHENYLPHOSPHINO)ACETYLENE BIS(DIPHENYLPHOSPHINO)ACETYLENE 5112-95-8 C26H20P2
Di-tert-butyl N,N-diisopropylphosphoramidite Di-tert-butyl N,N-diisopropylphosphoramidite 137348-86-8 C14H32NO2P
DIPHENYLETHYLPHOSPHINE OXIDE DIPHENYLETHYLPHOSPHINE OXIDE 1733-57-9 C14H15OP
VINYLTRIPHENYLPHOSPHONIUM BROMIDE VINYLTRIPHENYLPHOSPHONIUM BROMIDE 5044-52-0 C20H18BrP
DIPHENYLVINYLPHOSPHINE DIPHENYLVINYLPHOSPHINE 2155-96-6 C14H13P
Trioctylphosphine oxide Trioctylphosphine oxide 78-50-2 C24H51OP
DICYCLOHEXYLPHOSPHINE DICYCLOHEXYLPHOSPHINE 829-84-5 C12H23P
2,2'-BIS(DIPHENYLPHOSPHINO)-1,1'-BIPHENYL 2,2'-BIS(DIPHENYLPHOSPHINO)-1,1'-BIPHENYL 84783-64-2 C36H28P2
Tetrakis(triphenylphosphine)platinum Tetrakis(triphenylphosphine)platinum 14221-02-4 C72H60P4Pt
Di-tert-butylphosphine Di-tert-butylphosphine 819-19-2 C8H19P
1,2-BIS(DICHLOROPHOSPHINO)ETHANE 1,2-BIS(DICHLOROPHOSPHINO)ETHANE 28240-69-9 C2H4Cl4P2
Benzyltriphenylphosphonium bromide Benzyltriphenylphosphonium bromide 1449-46-3 C25H22BrP
1,2-BIS(DIMETHOXYPHOSPHORYL)BENZENE 1,2-BIS(DIMETHOXYPHOSPHORYL)BENZENE 15104-46-8 C10H16O6P2
Allyltriphenylphosphonium bromide Allyltriphenylphosphonium bromide 1560-54-9 C21H20BrP
DIMETHYLPHOSPHORAMIDOUS DICHLORIDE DIMETHYLPHOSPHORAMIDOUS DICHLORIDE 683-85-2 C2H6Cl2NP
DIMETHYLPHOSPHINIC ACID DIMETHYLPHOSPHINIC ACID 3283-12-3 C2H7O2P
Zoledronic acid Zoledronic acid 118072-93-8 C5H10N2O7P2
ETHYLPHOSPHONIC DICHLORIDE ETHYLPHOSPHONIC DICHLORIDE 1066-50-8 C2H5Cl2OP
PARA-XYLYLENEBIS-(TRIPHENYLPHOSPHONIUM PARA-XYLYLENEBIS-(TRIPHENYLPHOSPHONIUM 40817-03-6 C44H38Br2P2
HDTMPA HDTMPA 23605-74-5 C10H28N2O12P4
Bis(hexamethylenetriaminepenta(methylenephosphonic acid)) Bis(hexamethylenetriaminepenta(methylenephosphonic acid)) 34690-00-1 C17H44N3O15P5
Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt 63995-70-0 C18H16NaO9PS3
P-XYLYLENEBIS(TRIPHENYLPHOSPHONIUM CHLORIDE) P-XYLYLENEBIS(TRIPHENYLPHOSPHONIUM CHLORIDE) 1519-47-7 C44H38Cl2P2
2-DI-TERT-BUTYLPHOSPHINO-2',4',6'-TRIISOPROPYLBIPHENYL 2-DI-TERT-BUTYLPHOSPHINO-2',4',6'-TRIISOPROPYLBIPHENYL 564483-19-8 C29H45P
BIS(3 5 3' 5'-DIMETHOXYDIBENZYLIDENEACE& BIS(3 5 3' 5'-DIMETHOXYDIBENZYLIDENEACE& 811862-77-8 2C21H22O5.Pd
ISOPROPYLDIPHENYLPHOSPHINE ISOPROPYLDIPHENYLPHOSPHINE 6372-40-3 C15H17P
Trimorpholinophosphine oxide Trimorpholinophosphine oxide 4441-12-7 C12H24N3O4P
TRIETHYLPHOSPHINE OXIDE TRIETHYLPHOSPHINE OXIDE 597-50-2 C6H15OP
TRIS(2-METHOXYPHENYL)PHOSPHINE TRIS(2-METHOXYPHENYL)PHOSPHINE 4731-65-1 C21H21O3P
ALLYLDIPHENYLPHOSPHINE OXIDE ALLYLDIPHENYLPHOSPHINE OXIDE 4141-48-4 C15H15OP
Diisopropyl chlorophosphate Diisopropyl chlorophosphate 2574-25-6 C6H14ClO3P
Diphenyl(trimethylsilyl)phosphine Diphenyl(trimethylsilyl)phosphine 17154-34-6 C15H19PSi
BIS(DIETHYLAMINO)CHLOROPHOSPHINE BIS(DIETHYLAMINO)CHLOROPHOSPHINE 685-83-6 C8H20ClN2P
TRIS(3,5-DIMETHYLPHENYL)PHOSPHINE TRIS(3,5-DIMETHYLPHENYL)PHOSPHINE 69227-47-0 C24H27P
CIS-1,2-BIS(DIPHENYLPHOSPHINO)ETHYLENE CIS-1,2-BIS(DIPHENYLPHOSPHINO)ETHYLENE 983-80-2 C26H22P2
METHYLPHOSPHONIC ACID METHYLPHOSPHONIC ACID 993-13-5 CH5O3P
DIETHYL VINYLPHOSPHONATE DIETHYL VINYLPHOSPHONATE 682-30-4 C6H13O3P
Di(1-adaMantyl)chlorophosphine Di(1-adaMantyl)chlorophosphine 157282-19-4 C20H30ClP
Phosphine, (2,4,6-trimethylphenyl)bis[(trimethylsilyl)methyl]- Phosphine, (2,4,6-trimethylphenyl)bis[(trimethylsilyl)methyl]- 85336-29-4 C17H33PSi2
Ethyl diphenylphosphinite Ethyl diphenylphosphinite 719-80-2 C14H15OP
PHOSPHONOACETIC ACID PHOSPHONOACETIC ACID 4408-78-0 C2H5O5P
(3,3-dimethylbutyl)(diphenyl)phosphine (3,3-dimethylbutyl)(diphenyl)phosphine 15672-89-6 C18H23P
tert-Butyldi-o-tolylphosphine sulfide tert-Butyldi-o-tolylphosphine sulfide 918962-32-0 C18H23PS
2-methacryloyloxyethyl phosphorylcholine 2-methacryloyloxyethyl phosphorylcholine 67881-98-5 C11H22NO6P
TRICYCLOPENTYLPHOSPHINE TRICYCLOPENTYLPHOSPHINE 7650-88-6 C15H27P
Di-tert-butyl N,N-diethylphosphoramidite Di-tert-butyl N,N-diethylphosphoramidite 117924-33-1 C12H28NO2P
Phosphine, (4-butylphenyl)diphenyl- Phosphine, (4-butylphenyl)diphenyl- 65717-69-3 C22H23P
(R)-DIFLUORPHOS(TM) (R)-DIFLUORPHOS(TM) 503538-70-3 C38H24F4O4P2
METHYLPHOSPHONIC DICHLORIDE METHYLPHOSPHONIC DICHLORIDE 676-97-1 CH3Cl2OP
2-Cyanoethyl N,N-diisopropylchlorophosphoramidite 2-Cyanoethyl N,N-diisopropylchlorophosphoramidite 89992-70-1 C9H18ClN2OP
Diphenylphosphine oxide Diphenylphosphine oxide 4559-70-0 C12H11OP
DIMETHYLPHENYLPHOSPHINE DIMETHYLPHENYLPHOSPHINE 672-66-2 C8H11P
DIETHYL PHOSPHORAMIDATE DIETHYL PHOSPHORAMIDATE 1068-21-9 C4H12NO3P
Phosphine oxide, hexyldipentyl- Phosphine oxide, hexyldipentyl- 74038-20-3
n-Butyldicyclohexylphosphine n-Butyldicyclohexylphosphine 72617-31-3
Alendronate sodium Alendronate sodium 121268-17-5 C4H13NO7P2.3H2O.Na
BIS(DIISOPROPYLAMINO)CHLOROPHOSPHINE BIS(DIISOPROPYLAMINO)CHLOROPHOSPHINE 56183-63-2 C12H28ClN2P
TRIETHYL 2-PHOSPHONOPROPIONATE TRIETHYL 2-PHOSPHONOPROPIONATE 3699-66-9 C9H19O5P
5,10-Dihydro-5-phenylacridophosphine 5,10-Dihydro-5-phenylacridophosphine 59273-35-7 C19H15P
TRIS(2,6-DIMETHOXYPHENYL)PHOSPHINE TRIS(2,6-DIMETHOXYPHENYL)PHOSPHINE 85417-41-0 C24H27O6P
3-Aminopropylphosphonic acid 3-Aminopropylphosphonic acid 13138-33-5 C3H10NO3P
TRI-N-PROPYLPHOSPHINE OXIDE TRI-N-PROPYLPHOSPHINE OXIDE 1496-94-2 C9H21OP
CHLORODIPROPYL-PHOSPHINE CHLORODIPROPYL-PHOSPHINE 41157-34-0 C6H14ClP
DICYCLOHEXYLMETHYLPHOSPHINE, 98+% DICYCLOHEXYLMETHYLPHOSPHINE, 98+% 50420-46-7 C13H25P
Phosphine, (4-methoxyphenyl)bis[4-(trifluoromethyl)phenyl]- Phosphine, (4-methoxyphenyl)bis[4-(trifluoromethyl)phenyl]- 919765-85-8 C21H15F6OP
1,4-BIS(DICHLOROPHOSPHINO)BENZENE 1,4-BIS(DICHLOROPHOSPHINO)BENZENE 10498-56-3 C6H4Cl4P2
3,5-Bis(trifluoromethyl)phenyldiisopropylphosphine 3,5-Bis(trifluoromethyl)phenyldiisopropylphosphine 387878-90-2 C14H17F6P
2-(Triethylsilyl)ethyldiphenylphosphine oxide 2-(Triethylsilyl)ethyldiphenylphosphine oxide 922737-68-6 C20H29OPSi
bis(di-o-tolyl)(p-hydroxyphenyl)phosphine oxide bis(di-o-tolyl)(p-hydroxyphenyl)phosphine oxide 452310-89-3 C20H19O2P
trihexylphosphine oxide trihexylphosphine oxide 3084-48-8 C18H39OP
BIS(3,5-DIMETHYL-4-METHOXYPHENYL)PHOSPHINE BIS(3,5-DIMETHYL-4-METHOXYPHENYL)PHOSPHINE 122708-97-8 C18H23O2P
2-(Diphenylphosphinothioyl)-1-phenylethanone 2-(Diphenylphosphinothioyl)-1-phenylethanone 58156-55-1 C20H17OPS
Bis[di-tert-butyl(4-diMethylaMinophenyl)phosphine]palladiuM(0) Bis[di-tert-butyl(4-diMethylaMinophenyl)phosphine]palladiuM(0) 1233717-68-4 C32H56N2P2Pd
	1,3-Bis (2,6-diisopropylphenyl) imidazolium chloride 1,3-Bis (2,6-diisopropylphenyl) imidazolium chloride 250285-32-6 C27H37ClN2
[1,1′-Biphenyl]-2-yldi[(3S,5S,7S)-1-adamantanyl]phosphine [1,1′-Biphenyl]-2-yldi[(3S,5S,7S)-1-adamantanyl]phosphine 224311-55-1 C32H39P
TRIS(4-(1H,1H,2H,2H-PERFLUOROOCTYL)PHENYL)PHOSPHINE TRIS(4-(1H,1H,2H,2H-PERFLUOROOCTYL)PHENYL)PHOSPHINE 219985-31-6 C42H24F39P
Chloro(crotyl)[di-tert-butyl(4-dimethylaminophenyl)phosphine]palladium(II) Chloro(crotyl)[di-tert-butyl(4-dimethylaminophenyl)phosphine]palladium(II) 1334497-06-1 C20H33ClNPPd
BIS[4-(1H,1H,2H,2H-PERFLUOROOCTYL)PHENYL]PHENYLPHOSPHINE BIS[4-(1H,1H,2H,2H-PERFLUOROOCTYL)PHENYL]PHENYLPHOSPHINE 290827-94-0 C34H21F26P
(Bis(trimethylsilyl)methyl)dimethylphosphine (Bis(trimethylsilyl)methyl)dimethylphosphine 78312-99-9 C9H25PSi2
Phosphine, (2,2-dimethyl-1,3-propanediyl)bis[diphenyl- Phosphine, (2,2-dimethyl-1,3-propanediyl)bis[diphenyl- 80326-98-3 C29H30P2
Phosphine oxide, diphenyl[2-(trifluoromethyl)phenyl]- Phosphine oxide, diphenyl[2-(trifluoromethyl)phenyl]- 185685-09-0 C19H14F3OP
1-Propanamine, 3-(diphenylphosphinothioyl)-N,N-dimethyl- 1-Propanamine, 3-(diphenylphosphinothioyl)-N,N-dimethyl- 962-96-9 C17H22NPS
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