What is the Methyltriphenylphosphonium bromide?

Methyltriphenylphosphonium bromide is white powder, while it's Molecular Formula is C19H18P·Br. white powder Methyltriphenylphosphonium bromide is used for methylenation through the Wittig reaction. It is utilized in the synthesis of an enyne and 9-isopropenyl -phenanthrene by using sodium amide as reagent. It is a lipophilic molecule and used to deliver molecules to specific cell components. Further, it acts as an antineoplastic agent.

What is the CAS number for Methyltriphenylphosphonium bromide?

The CAS number of Methyltriphenylphosphonium bromide is 1779-49-3.

What is the Methyltriphenylphosphonium bromide?

Methyltriphenylphosphonium bromide is white powder, while it's Molecular Formula is C19H18P·Br. white powder Methyltriphenylphosphonium bromide is used for methylenation through the Wittig reaction. It is utilized in the synthesis of an enyne and 9-isopropenyl -phenanthrene by using sodium amide as reagent. It is a lipophilic molecule and used to deliver molecules to specific cell components. Further, it acts as an antineoplastic agent.

What is the CAS number for Methyltriphenylphosphonium bromide?

The CAS number of Methyltriphenylphosphonium bromide is 1779-49-3.

1779-49-3

Product NameMethyltriphenylphosphonium Bromide
MFC₁₉H₁₈P·Br
Molecular Weight357.23
Purity99%
Appearancewhite powder

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Product Details

Quick Details

CasNo： 1779-49-3
MF： C₁₉H₁₈P·Br
Appearance： white powder
Purity： 99%

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Molecular Formula:C19H18P·Br
Molecular Weight:357.23
Appearance/Colour:white powder
Vapor Pressure:0.0000002 hPa
Melting Point:230-234 °C(lit.)
Flash Point:>240°C
PSA：13.59000
LogP:0.61430

Methyltriphenylphosphonium bromide(Cas 1779-49-3) Usage

Chemical Properties	white powder
Uses	PTC catalyst
General Description	Methyltriphenylphosphoniumbromide is an organophosphorus compound, with potential use as a precursor and a solvent in organic synthesis.Mettler-Toledo calibration substance ME 30130598, methyltriphenylphosphoniumbromide is ideal for use in the regular calibration of Mettler-Toledo melting point instrument. Its value is a mean of 6 to 12 iterations with a Mettler-Toledo MP70 Excellence instrument that is calibrated against primary standards. The melting point is validated by Capillary method according to European Pharmacopeia (2.2.14.)
Purification Methods	If the solid is sticky, wash it with *C6H6 and dry it in a vacuum over P2O5. [Marvel & Gall J Org Chem 24 1494 1959, Chem Ber 87 1318 1954, Milas & Priesing J Am Chem Soc 79 6295 1957, Wittig & Sch.llkopf Org Synth 40 66 1960.] The iodide, on recrystallisation from H2O, has m 187.5-188.5o [Mann et al. J Chem Soc 1130 1953, Wittig & Geissler Justus Liebigs Ann Chem 580 44 1953]. [Beilstein 16 IV 981.]

InChI:InChI=1/C18H15P.CH3Br/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18;1-2/h1-15H;1H3/p+1

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1779-49-3 Process route

: 74-83-9
methyl bromide

: 603-35-0
triphenylphosphine

: 1779-49-3
Methyltriphenylphosphonium bromide

Conditions

Conditions	Yield
In benzene; at 20 ℃; for 4h;	99%
In benzene; for 48h; Ambient temperature;	95%
In acetonitrile;

In benzene;
In toluene; Heating;
In benzene;	662 gm. (98.8%)
In toluene; for 30h; Reflux;
In toluene; Inert atmosphere; Reflux;
In 5,5-dimethyl-1,3-cyclohexadiene; at 130 ℃; for 12h;
In N,N-dimethyl-formamide; at 130 ℃; for 72h; Inert atmosphere;
Reflux;