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Phosphorus reagents


A class of compounds that contain P-C and P-O-C bonds are often classified as organophosphorus compounds. Phosphorus reagents are widely used commercially. Phosphorus can adopt a variety of oxidation states, and it is general to classify organophosphorus compounds based on their being derivatives of phosphorus(V) vs phosphorus (III), which are the predominant classes of compounds. Treatment of phosphorus trihalides with alcohols and phenols gives phosphites. Similar reactions occur for phosphorus oxychloride affording phosphates. Phosphonates are esters of phosphonic acid formed mainly by The Michaelis–Arbuzov reaction (trivalent phosphorus ester with an alkyl halide to form a pentavalent phosphorus species). Phosphonates are suitable reagents for Horner–Wadsworth–Emmons reaction or Seyferth-Gilbert homologation. Phosphorus ylides are unsaturated phosphoranes, widely used as Wittig reagents. Phosphines are nucleophilic catalysts in organic synthesis and reducing agents, as illustrated in the Staudinger reduction and in the Mitsunobu reaction for converting alcohols into esters. Organophosphorus compounds have many applications, including those in plasticisers, flame retardants, pesticides, extraction agents, nerve agents and water treatment.

Product nameStructureCAS#G-code
NewDipentyl hydrogen phosphateStructure of Dipentyl hydrogen phosphate[3138-42-9]GEO-04525
NewEthyl dichlorophosphineStructure of Ethyl dichlorophosphine[1498-40-4]GEO-04496
NewN-Methylaminomethyl phosphonic acidStructure of N-Methylaminomethyl phosphonic acid[35404-71-8]GEO-04491
NewTripiperidinyl phosphineStructure of Tripiperidinyl phosphine[13954-38-6]GEO-04572
(3-Aminopropyl)phosphonic acidStructure of (3-Aminopropyl)phosphonic acid[13138-33-5]GEO-00218
(Aminomethyl)phosphonic acidStructure of (Aminomethyl)phosphonic acid[1066-51-9]GEO-00169
(Bromodifluoromethyl)triphenylphosphonium bromideStructure of (Bromodifluoromethyl)triphenylphosphonium bromide[58201-66-4]GEO-02429
(Thiophen-2-yl)methyltriphenylphosphonium bromideStructure of (Thiophen-2-yl)methyltriphenylphosphonium bromide[23259-98-5]GEO-02292
(Thiophen-3-yl)methyltriphenyl phosphonium bromideStructure of (Thiophen-3-yl)methyltriphenyl phosphonium bromideN/AGEO-03037
(Triphenylphosphoranylidene)acetonitrileStructure of (Triphenylphosphoranylidene)acetonitrile[16640-68-9]GEO-03962
2-Aminoethyl dihydrogen phosphate magnesium saltStructure of 2-Aminoethyl dihydrogen phosphate magnesium salt[34851-96-2]GEO-04286
2-Chloro-1,3,2-dioxaphospholane-2-oxideStructure of 2-Chloro-1,3,2-dioxaphospholane-2-oxide[6609-64-9]GEO-03389
Benzyl dimethylphosphonoacetateStructure of Benzyl dimethylphosphonoacetate[57443-18-2]GEO-02882
Benzyl(triphenylphosphoranylidene)acetateStructure of Benzyl(triphenylphosphoranylidene)acetate[15097-38-8]GEO-02511
Bis(dichlorophosphino)methaneStructure of Bis(dichlorophosphino)methane[28240-68-8]GEO-03420
Butylphosphonic dichlorideStructure of Butylphosphonic dichloride[2302-80-9]GEO-00628
ChlorodiisopropylphosphineStructure of Chlorodiisopropylphosphine[40244-90-4]GEO-00673
Cyclopropyltriphenylphosphonium bromide[14114-05-7]GEO-00894
Di-tert-butylchlorophosphine[13716-10-4]GEO-01258
Dibenzyl chlorophosphateStructure of Dibenzyl chlorophosphate[538-37-4]GEO-02716
Dibenzyl phosphate[1623-08-1]GEO-00941
Dichloroisopropylphosphine[25235-15-8]GEO-01021
Dichloromethylphosphine[676-83-5]GEO-00992
Diethyl allylphosphonate[1067-87-4]GEO-02809
Diethyl chlorophosphate[814-49-3]GEO-02876
Diethyl chlorophosphite[589-57-1]GEO-03099
Diethyl phenylphosphonate[1754-49-0]GEO-01048
Diethyl phosphateStructure of Diethyl phosphate[598-02-7]GEO-01049
Diethyl(aminomethyl)phosphonate oxalate[117196-73-3]GEO-02648
Diisopropyl fluorophosphate[55-91-4]GEO-01118
Diisopropylphosphate[1611-31-0]GEO-01126
Dimethyl chlorophosphate[813-77-4]GEO-02811
Dimethylphosphine oxide[7211-39-4]GEO-03211
Diphenylphosphonoacetic acid ethyl esterStructure of Diphenylphosphonoacetic acid ethyl ester[16139-79-0]GEO-01243
Dipropyl chlorophosphate[2510-89-6]GEO-01250
Dipropyl phosphite[1809-21-8]GEO-01252
Dipropylphosphate[1804-93-9]GEO-01251
Ethyl di-o-tolylphosphonoacetate[188945-41-7]GEO-03051
Ethyl dichlorophosphate[1498-51-7]GEO-01336
Ethyl dichlorophosphite[1498-42-6]GEO-01338
Methyl dichlorophosphiteStructure of Methyl dichlorophosphite[3279-26-3]GEO-01806
Methyl diphenylphosphiteStructure of Methyl diphenylphosphite[3577-87-5]GEO-01814
Methyl N,N-diisopropylchlorophosphoramiditeStructure of Methyl N,N-diisopropylchlorophosphoramidite[86030-43-5]GEO-03409
N-Di-tert-butoxyphosphanyl-N-isopropyl-propan-2-amine[137348-86-8]GEO-03953
N,N-Bis(diphenylphosphino)amineStructure of N,N-Bis(diphenylphosphino)amine[2960-37-4]GEO-04010
N,N,N’,N’-Tetramethylphosphoro diamidic chlorideStructure of N,N,N',N'-Tetramethylphosphoro diamidic chloride[1605-65-8]GEO-03248
Octadecylphosphonic acidStructure of Octadecylphosphonic acid[4724-47-4]GEO-04391
tert-ButyldichlorophosphineStructure of tert-Butyldichlorophosphine[25979-07-1]GEO-00616
tert-Butylphosphonic acidStructure of tert-Butylphosphonic acid[4923-84-6]GEO-00627
Tetrabenzyl pyrophosphateStructure of Tetrabenzyl pyrophosphate[990-91-0]GEO-04001
Tri-tert-butylphosphineStructure of Tri-tert-butylphosphine[13716-12-6]GEO-02351
Trioctyldodecyl phosphonium chlorideStructure of Trioctyldodecyl phosphonium chlorideN/AGEO-04280
TriphenylphosphineStructure of Triphenylphosphine[603-35-0]GEO-02125
Tris(diethylamino)phosphineStructure of Tris(diethylamino)phosphine[2283-11-6]GEO-04137