65734-62-5

Basic information

• Product Name: Phosphonium, (8-hydroxyoctyl)triphenyl-, bromide
• CAS NO: 65734-62-5
• Molecular Formula: C26H32OP.Br
• Molecular Weight: 471.417
• Mol File: 65734-62-5.mol
• Article Data: 9

Chemical Properties

• CAS DataBase Reference: Phosphonium, (8-hydroxyoctyl)triphenyl-, bromide(CAS DataBase Reference)
• NIST Chemistry Reference: Phosphonium, (8-hydroxyoctyl)triphenyl-, bromide(65734-62-5)
• EPA Substance Registry System: Phosphonium, (8-hydroxyoctyl)triphenyl-, bromide(65734-62-5)

Safety Data

• Hazardous Substances Data: 65734-62-5(Hazardous Substances Data)

Upstream product

• 50816-19-8 8-bromooctanol 
• 603-35-0 triphenylphosphine 

Downstream Products

• 180622-58-6 9-(2,4-dichlorophenyl)-8-nonen-1-ol 
• 1581234-53-8 triphenyl(8-((3,4,5-trihydroxybenzoyl)oxy)octyl)phosphonium bromide 
• 54897-69-7 (E/Z)-8-Tetradecen-1-yl acetate 
• 56218-64-5 (E)-8-tetradecenyl acetate 
• 35835-80-4 (Z)-8-tetradecenyl acetate 
• 38363-29-0 (E)-8-dodecenyl acetate 
• 28079-04-1 (Z)-8-dodecen-1-yl acetate 
• 1026604-38-5 4-[9-(2,4-Dichloro-phenyl)-nonylsulfanyl]-3-oxo-butyric acid methyl ester 
• 154566-20-8 9-(2,4-dichlorophenyl)-1-nonanol 
• 269725-97-5 4-azido-2,3,5,6-tetrafluorobenzyl 6-((2R)-6-{[tert-butyl(dimethyl)silyl]oxy}-2,5,7,8-tetramethyl-3,4-dihydro-2H-chromen-2-yl)nonyl ether 
• 743427-12-5 toluene-4-sulfonic acid 9-(5-methyl-furan-2-yl)-nonyl ester 
• 40642-40-8 (Z)-8-dodecenol 
• 42513-42-8 E₈,E₁₀-dodecadien-1-ol 
• 95008-94-9 8-undecen-1-ol 

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We report the synthesis and structural characterisation of a new family of stable phosphonioalkylthiosulfate zwitterions, R3P +(CH2)nS2O3- (R = Ph or Bu, n = 3,4,6, 8 or 10) which behave as cationic masked thiolate ligands with applications in the functionalisation of gold nanoparticles, having potential as new diagnostic biorecognition systems. The ligands were prepared by treatment of ω-bromoalkylphosphonium salts with sodium thiosulfate. The crystal and molecular structures of the zwitterions (R = Ph, n = 3) and (R = Bu, n = 3) were determined. A series of phosphonioalkanethiolate-capped gold nanoparticles dispersed in water was prepared by borohydride reduction of potassium tetrachloroaurate in the presence of the zwitterions in a dichloromethane-water system. UV-visible spectroscopy and scanning transmission electron-microscopy indicated that capped nanoparticles of ca. 5 nm diameter were present. The Royal Society of Chemistry 2006.