Is triphenylphosphine an oxide?
Is triphenylphosphine an oxide?
Triphenylphosphine oxide (often abbreviated TPPO) is the organophosphorus compound with the formula OP(C6H5)3, also written as Ph3PO or PPh3O (Ph = C6H5). This colourless crystalline compound is a common but potentially useful waste product in reactions involving triphenylphosphine.
Is triphenylphosphine oxide hazardous?
Warning! Harmful to aquatic organisms; may cause long-term adverse effects in the aquatic environment. Harmful if swallowed. May cause eye, skin, and respiratory tract irritation.
How do you remove triphenylphosphine oxide?
If your product is stable and relatively-non polar, a good way of removing triphenylphosphine oxide is to concentrate the reaction mixture to a lower follow, suspend the residue in pentane (or hexane)/ether and filter over a silica plug.
What is the formula of triphenylphosphine?
C18H15P
Triphenylphosphine/Formula
What are the hazards of methanol?
Methanol is highly flammable. The agent will be easily ignited by heat, sparks, or flames. Fire will produce irritating, corrosive, and/or toxic gases. Vapors may travel to the source of ignition and flash back.
What type of ligand is triphenylphosphine?
phosphine ligand
Triphenylphosphine is a common phosphine ligand.
What is triphenylphosphine oxide soluble in?
Solubility: soluble in most organic solvents, slightly soluble in hexane and diethyl ether, insoluble in water.
Is triphenylphosphine basic?
PPh3 is a weak base. It forms isolable triphenylphosphonium salts with strong acids such as HBr: P(C6H5)3 + HBr → [HP(C6H5)3]+Br.
How many mmol / g does triphenylphosphine have in it?
Triphenylphosphine, polymer-bound, 100-200 mesh, extent of labeling: ~3.0 mmol/g loading, 2 % cross-linked with divinylbenzene Triphenyl phosphine appears as white crystals. (NTP, 1992) National Toxicology Program, Institute of Environmental Health Sciences, National Institutes of Health (NTP). 1992.
How is triphenylphosphine tested for mutagenicity?
Triphenylphosphine (TPP) was tested for mutagenicity in the Salmonella/microsome preincubation assay using a protocol approved by the National Toxicology Program. TPP was tested over a wide range of doses (0, 89, 285, 854, 2733 and 8200 ug/plate) in four Salmonella typhimurium strains (TA98, TA100, TA1535, and TA1537) in the presence and absence…
Which is insoluble in water triphenylphosphine oxide?
Triphenylphosphine is a flammable solid which slowly oxidizes in air to form triphenylphosphine oxide. It is insoluble in water.
How much DVB loading does triphenylphosphine have on polystyrene?
Triphenylphosphine, polymer supported 1.4-2.0mmol/g on polystyrene 200-400 mesh 2% DVB loading Triphenylphosphine, polymer-bound 100-200 mesh, extent of labeling: ~3.0 mmol/g load 2 % cross-linked with divinylbenzene