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Product Name |
Methyltriphenylphosphonium bromide |
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Formula |
C19H18BrP |
Molecular Weight |
357.22 |
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CAS NO. |
1779-49-3 |
Quantity |
500KG |
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Items |
Specification |
Results |
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Appearance |
White to off-white crystals
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Conforms |
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Assay |
≥99% |
99.55% |
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Loss on drying
|
≤0.5% |
0.09% |
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CONCLUSION |
The result conform with standard |
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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 ℃)
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.
