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
4-DIPHENYLPHOSPHANYL-BENZOIC ACID 2-TRI& 4-DIPHENYLPHOSPHANYL-BENZOIC ACID 2-TRI& 566190-45-2 C24H27O2PSi
1-Hydroxyethanediphosphonic acid potassium salt 1-Hydroxyethanediphosphonic acid potassium salt 67953-76-8 C2H4K4O7P2
1,1,1-TRIMETHYL-N-(TRIPHENYLPHOSPHORANYLIDENE)SILANAMINE 1,1,1-TRIMETHYL-N-(TRIPHENYLPHOSPHORANYLIDENE)SILANAMINE 13892-06-3 C21H24NPSi
TERT-BUTYLDIISOPROPYLPHOSPHINE TERT-BUTYLDIISOPROPYLPHOSPHINE 51567-05-6 C10H23P
CHLOROMETHYLPHOSPHONOTHIOIC DICHLORIDE CHLOROMETHYLPHOSPHONOTHIOIC DICHLORIDE 1983-27-3 CH2Cl3PS
DIALLYL N,N-DIISOPROPYLPHOSPHORAMIDITE DIALLYL N,N-DIISOPROPYLPHOSPHORAMIDITE 126429-21-8 C12H24NO2P
DIBENZYL N,N-DIMETHYLPHOSPHORAMIDITE DIBENZYL N,N-DIMETHYLPHOSPHORAMIDITE 164654-49-3 C16H20NO2P
DIETHYL TRIMETHYLSILYL PHOSPHITE DIETHYL TRIMETHYLSILYL PHOSPHITE 13716-45-5 C7H19O3PSi
TRIISOBUTYLPHOSPHINE TRIISOBUTYLPHOSPHINE 4125-25-1 C12H27P
CYCLOPENTYLTRIPHENYLPHOSPHONIUM BROMIDE CYCLOPENTYLTRIPHENYLPHOSPHONIUM BROMIDE 7333-52-0 C23H24BrP
(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE (2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE 74839-84-2 C28H28P2
Dimethyl benzylphosphonate Dimethyl benzylphosphonate 773-47-7 C9H13O3P
ETHYL [BIS(2,2,2-TRIFLUOROETHOXY)PHOSPHINYL]ACETATE ETHYL [BIS(2,2,2-TRIFLUOROETHOXY)PHOSPHINYL]ACETATE 124755-24-4 C8H11F6O5P
DIIODOTRIPHENYLPHOSPHORANE DIIODOTRIPHENYLPHOSPHORANE 6396-07-2 C18H15I2P
DIMETHYL N,N-DIISOPROPYLPHOSPHORAMIDITE DIMETHYL N,N-DIISOPROPYLPHOSPHORAMIDITE 29952-64-5 C8H20NO2P
2-(TRIPHENYLPHOSPHORANYLIDENE)PROPIONALDEHYDE 2-(TRIPHENYLPHOSPHORANYLIDENE)PROPIONALDEHYDE 24720-64-7 C21H19OP
5 5-DIMETHYL-1 3 2-DIOXAPHOSPHORINAN-2-& 5 5-DIMETHYL-1 3 2-DIOXAPHOSPHORINAN-2-& 4090-60-2 C5H11O3P
BIS(DIETHYLAMINO)PHENYLPHOSPHINE  97 BIS(DIETHYLAMINO)PHENYLPHOSPHINE 97 1636-14-2 C14H25N2P
BIS(DIPHENYLPHOSPHINO)METHANE MONOOXIDE BIS(DIPHENYLPHOSPHINO)METHANE MONOOXIDE 23176-18-3 C25H22OP2
2-CHLORO-5,5-DIMETHYL-1,3,2-DIOXAPHOSPHORINAN-2-ONE 2-CHLORO-5,5-DIMETHYL-1,3,2-DIOXAPHOSPHORINAN-2-ONE 4090-55-5 C5H10ClO3P
(2-BUTYL)TRIPHENYLPHOSPHONIUM BROMIDE (2-BUTYL)TRIPHENYLPHOSPHONIUM BROMIDE 3968-92-1 C22H24BrP
2-CHLOROPHENYL-N-PHENYL-CHLOROPHOSPHORAMIDATE 2-CHLOROPHENYL-N-PHENYL-CHLOROPHOSPHORAMIDATE 69320-80-5 C12H10Cl2NO2P
DIMETHYL ETHYLPHOSPHONATE DIMETHYL ETHYLPHOSPHONATE 6163-75-3 C4H11O3P
DIETHYL PHENYLPHOSPHONITE DIETHYL PHENYLPHOSPHONITE 1638-86-4 C10H15O2P
TRICYCLOHEXYLPHOSPHINE OXIDE TRICYCLOHEXYLPHOSPHINE OXIDE 13689-19-5 C18H33OP
ETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) ETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) 1519-45-5 C38H34Br2P2
TRIETHYL PHOSPHONOACETATE TRIETHYL PHOSPHONOACETATE 30492-56-9 C8H17O5P
CHLORODICYCLOPENTYLPHOSPHINE  97 CHLORODICYCLOPENTYLPHOSPHINE 97 130914-24-8 C10H18ClP
DIISOOCTYLPHOSPHINIC ACID DIISOOCTYLPHOSPHINIC ACID 83411-71-6 C16H35O2P
DIMETHYL PHENYLPHOSPHONITE DIMETHYL PHENYLPHOSPHONITE 2946-61-4 C8H11O2P
DIETHYLPHOSPHINIC CHLORIDE DIETHYLPHOSPHINIC CHLORIDE 1112-37-4 C4H10ClOP
Hexadecyltriphenylphosphonium bromide Hexadecyltriphenylphosphonium bromide 14866-43-4 C34H48BrP
(1-AMINOPENTYL)PHOSPHONIC ACID (1-AMINOPENTYL)PHOSPHONIC ACID 13138-37-9 C5H14NO3P
DI-N-BUTYL METHYLPHOSPHONATE DI-N-BUTYL METHYLPHOSPHONATE 2404-73-1 C9H21O3P
DIETHYL 1-DECYLPHOSPHONATE DIETHYL 1-DECYLPHOSPHONATE 16165-68-7 C14H31O3P
Chloro(methyldiphenylphosphine)gold(I),95% Chloro(methyldiphenylphosphine)gold(I),95% 38686-38-3 C13H14AuClP
2-(Di-i-propylphosphino)ethylamine, min. 97% (10 wt% in THF) 2-(Di-i-propylphosphino)ethylamine, min. 97% (10 wt% in THF) 1053657-14-9 C8H20NP
TRIS(HYDROXYPROPYL)PHOSPHINE TRIS(HYDROXYPROPYL)PHOSPHINE 4706-17-6 C9H21O3P
Diethylenetriaminepenta(methylenephosphonicacid) sodium salt Diethylenetriaminepenta(methylenephosphonicacid) sodium salt 22042-96-2 C9H13N3Na20O30P10
(1-AMINOBUTYL)PHOSPHONIC ACID (1-AMINOBUTYL)PHOSPHONIC ACID 13138-36-8 C4H12NO3P
BORANE-DICYCLOHEXYLPHOSPHINE COMPLEX BORANE-DICYCLOHEXYLPHOSPHINE COMPLEX 108756-88-3 C12H26BP
DI-N-PENTYLPHENYLPHOSPHINE DI-N-PENTYLPHENYLPHOSPHINE 71501-08-1 C16H27P
BIS(2-METHOXYPHENYL)PHENYLPHOSPHINE BIS(2-METHOXYPHENYL)PHENYLPHOSPHINE 36802-41-2 C20H19O2P
TRIMETHYLPHOSPHINE SULFIDE TRIMETHYLPHOSPHINE SULFIDE 2404-55-9 C3H9PS
TRIS(1,1,1,3,3,3-HEXAFLUORO-2-PROPYL) PHOSPHITE TRIS(1,1,1,3,3,3-HEXAFLUORO-2-PROPYL) PHOSPHITE 66470-81-3 C9H3F18O3P
9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene 9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene 1265-03-8 C39H32OP2
Bis(4-methoxyphenyl)phosphine Bis(4-methoxyphenyl)phosphine 84127-04-8 C14H15O2P
2,6-BIS(DIPHENYLPHOSPHINO)PYRIDINE 2,6-BIS(DIPHENYLPHOSPHINO)PYRIDINE 64741-27-1 C29H23NP2
METHYLPHOSPHONIC BIS(DIMETHYLAMIDE) METHYLPHOSPHONIC BIS(DIMETHYLAMIDE) 2511-17-3 C5H15N2OP
Bis(1-naphthyl)chlorophosphine, Bis(1-naphthyl)chlorophosphine, 36042-99-6 C20H14ClP
1,2-ETHYLENEDIPHOSPHONIC ACID 1,2-ETHYLENEDIPHOSPHONIC ACID 6145-31-9 C2H8O6P2
1-NAPHTHYL PHOSPHATE MONOSODIUM SALT MONOHYDRATE 1-NAPHTHYL PHOSPHATE MONOSODIUM SALT MONOHYDRATE 2650-44-4 C10H10NaO5P
6-Phosphonohexanoic  acid 6-Phosphonohexanoic acid 5662-75-9 C6H13O5P
2-(Diphenylphosphino)benzaldehyde oxime, 95% 2-(Diphenylphosphino)benzaldehyde oxime, 95% 153358-05-5 C19H16NOP
(1-AMINOPROPYL)PHOSPHONIC ACID (1-AMINOPROPYL)PHOSPHONIC ACID 14047-23-5 C3H10NO3P
BIS(4-TRIFLUOROMETHYLPHENYL)PHOSPHINE BIS(4-TRIFLUOROMETHYLPHENYL)PHOSPHINE 99665-68-6 C14H9F6P
DIETHYLPHOSPHINE OXIDE DIETHYLPHOSPHINE OXIDE 7215-33-0 C4H11OP
DI-TERT-BUTYLMETHYLPHOSPHONIUM TETRAFLUOROBORATE DI-TERT-BUTYLMETHYLPHOSPHONIUM TETRAFLUOROBORATE 479094-62-7 C9H22BF4P
(CHLOROMETHYL)TRIPHENYLPHOSPHONIUM IODIDE (CHLOROMETHYL)TRIPHENYLPHOSPHONIUM IODIDE 68089-86-1 C19H17ClIP
1-NAPHTHYL PHOSPHATE CALCIUM SALT TRIHYDRATE 1-NAPHTHYL PHOSPHATE CALCIUM SALT TRIHYDRATE 17805-69-5 C10H13CaO5P
DIETHYLPHOSPHINE DIETHYLPHOSPHINE 627-49-6 C4H11P
BIS(TRIPHENYLPHOSPHINE)IMINIUM NITRITE BIS(TRIPHENYLPHOSPHINE)IMINIUM NITRITE 65300-05-2 C36H30N2O2P2
Chlorophosphonazo mN Chlorophosphonazo mN 77350-04-0 C22H15ClN5O13PS2
N-HEXYLPHOSPHONIC ACID N-HEXYLPHOSPHONIC ACID 4721-24-8 C6H15O3P
DICHLORO N,N-DIETHYLPHOSPHORAMIDITE DICHLORO N,N-DIETHYLPHOSPHORAMIDITE 1498-54-0 C4H10Cl2NOP
Chloro(tert-butyl)phenylphosphine Chloro(tert-butyl)phenylphosphine 29949-69-7 C10H14ClP
Dicyclohexyl(ethyl)phosphine Dicyclohexyl(ethyl)phosphine 46392-44-3 C14H27P
Tris(4-methylphenyl)phosphine Tris(4-methylphenyl)phosphine 218281-19-7 C21H21P
POLY(ETHYLENE GLYCOL) TRIPHENYLPHOSPHINE POLY(ETHYLENE GLYCOL) TRIPHENYLPHOSPHINE 238403-28-6 C20H21O2P
DIETHYL 1-OCTYLPHOSPHONATE DIETHYL 1-OCTYLPHOSPHONATE 1068-07-1 C12H27O3P
6-(Diethylphosphono)-hexanoic  acid  ethyl  ester 6-(Diethylphosphono)-hexanoic acid ethyl ester 54965-29-6 C12H25O5P
Zoledronic Acid Trihydrate Zoledronic Acid Trihydrate 904894-54-8 C5H10N2O7P2
IMidazo[1,2-a]pyridine-3-aceticacid,ethylester IMidazo[1,2-a]pyridine-3-aceticacid,ethylester 101820-69-3 C11H12N2O2
CARBAMYL PHOSPHATE DISODIUM SALT CARBAMYL PHOSPHATE DISODIUM SALT 72461-86-0 CH2NNa2O5P
Sodium phenylphosphinate Sodium phenylphosphinate 4297-95-4 C6H6NaO2P
BIS(TRIPHENYLPHOSPHINE)COBALT (II) CHLORIDE BIS(TRIPHENYLPHOSPHINE)COBALT (II) CHLORIDE 14126-40-0 C36H30Cl2CoP2
METHYLPHENYLPHOSPHINIC ACID METHYLPHENYLPHOSPHINIC ACID 4271-13-0 C7H9O2P
BENZHYDRYL TRIPHENYLPHOSPHONIUM CHLORIDE BENZHYDRYL TRIPHENYLPHOSPHONIUM CHLORIDE 1530-43-4 C31H26ClP
TERT-BUTYLPHENYLPHOSPHINE  97 TERT-BUTYLPHENYLPHOSPHINE 97 6002-31-9 C10H15P
DIALLYLPHENYLPHOSPHINE DIALLYLPHENYLPHOSPHINE 29949-75-5 C12H15P
1,2-BIS(PHOSPHINO)ETHANE 1,2-BIS(PHOSPHINO)ETHANE 5518-62-7 C2H8P2
2-PHOSPHONOPROPIONIC ACID 2-PHOSPHONOPROPIONIC ACID 5962-41-4 C3H7O5P
P-XYLYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) P-XYLYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) 10273-74-2 C44H38Br2P2
Chlorodi(p-tolyl)phosphine, 95% Chlorodi(p-tolyl)phosphine, 95% 1019-71-2 C14H14ClP
Methyl(triphenyl)phosphonium chloride Methyl(triphenyl)phosphonium chloride 57283-72-4 C19H18ClP
PCA PCA 71050-62-9 (C3H4O2.H3O2P.Na)x
2-DIPHENYLPHOSPHINOETHYL-FUNCTIONALIZED SILICA GEL 2-DIPHENYLPHOSPHINOETHYL-FUNCTIONALIZED SILICA GEL 1173020-99-9 C14H14P*
BIS(2,4,4-TRIMETHYLPENTYL)PHOSPHINIC ACID BIS(2,4,4-TRIMETHYLPENTYL)PHOSPHINIC ACID 27661-42-3 C16H35O2P
2-PHOSPHONOBUTYRIC ACID 2-PHOSPHONOBUTYRIC ACID 4378-40-9 C4H9O5P
DIMETHYL TRIMETHYLSILYLMETHYLPHOSPHONATE DIMETHYL TRIMETHYLSILYLMETHYLPHOSPHONATE 13433-42-6 C6H17O3PSi
TRIISOBUTYLPHOSPHINE SULFIDE TRIISOBUTYLPHOSPHINE SULFIDE 3982-87-4 C12H27PS
2-NAPHTHYL PHOSPHATE  CALCIUM SALT 2-NAPHTHYL PHOSPHATE CALCIUM SALT 305808-24-6 C10H7CaO4P
Olpadronate Sodium Olpadronate Sodium 63132-39-8 C5H15NO7P2
2,2,2-TRICHLOROETHYL DICHLOROPHOSPHATE 2,2,2-TRICHLOROETHYL DICHLOROPHOSPHATE 18868-46-7 C2H2Cl5O2P
TRIDECYL ACID PHOSPHATE TRIDECYL ACID PHOSPHATE 5116-94-9 C13H29O4P
Aminotrimethylenephosphonic acid potassium salt Aminotrimethylenephosphonic acid potassium salt 27794-93-0 C3H7K4NO6P2
2-Chloro-1,3-bis(2,6-diisopropylphenyl)-1,3,2-diazaphospholidine 2-Chloro-1,3-bis(2,6-diisopropylphenyl)-1,3,2-diazaphospholidine 314730-65-9 C26H38ClN2P
(1S)-(-)-(1-AMINO-2-METHYLPROPYL)PHOSPHONIC ACID (1S)-(-)-(1-AMINO-2-METHYLPROPYL)PHOSPHONIC ACID 66254-55-5 C4H12NO3P
2-[Bis(3,5-di-t-butyl-4-methoxyphenyl)phosphino]benzaldehyde, min. 97% 2-[Bis(3,5-di-t-butyl-4-methoxyphenyl)phosphino]benzaldehyde, min. 97% 1202865-21-1 C37H51O3P
Dicyclohexyl(2-Methylphenyl)phosphine Dicyclohexyl(2-Methylphenyl)phosphine 173593-25-4 C19H29P
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