Methyltriphenylphosphonium bromide CAS 1779-49-3
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Methyltriphenylphosphonium bromide CAS 1779-49-3

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Believe Chemical is a leading China Methyltriphenylphosphonium bromide CAS 1779-49-3 manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our Methyltriphenylphosphonium bromide CAS 1779-49-3 have been satisfied by many customers. Shandong Believe Chemical Pte. Ltd. is a high-tech enterprise integrating R &D and sales of chemical technology. 

We are good at the advantages of chemical products in the field. Our products are exported to Europe, the United States, Japan, South Korea, Southeast Asia and other countries and regions. With science and technology as the guide, honesty as the foundation, quality as the life, and relying on the enterprise concept of innovation and development, we sincerely hope to establish exchanges and extensive cooperation with domestic and foreign customers to create prosperity!

Methyltriphenylphosphonium bromide CAS 1779-49-3 Chemical Specification 

Product Name

Methyltriphenylphosphonium bromide



Molecular Weight










White to off-white crystals





Loss on drying




The result conform with standard

Methyltriphenylphosphonium bromide CAS 1779-49-3 Chemical Properties

Melting point: 230-234 ° C (lit.)
Vapor pressure: 0.0000002hpa
Flash point: >240 ° C
Storage conditions: inertia, roomtemperature
Solubility: h2o:0.1g/ml,
PH value: 6.0-6.5 (400g/l, H2O, 20 ℃)

Methyltriphenylphosphonium bromide CAS 1779-49-3 Application

Wittig reagent is used to prepare alkenes and increase the carbon number of unsaturated carbon chains. The precursor of Wittig reaction is widely used in the synthesis of unsaturated bonds in liquid crystal materials. It is also widely used in organic synthesis. It is a good cationic phase conversion catalyst.

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