Product Introduction
Methyl triphenyl phosphonium bromide (CAS 1779-49-3) is an organic compound with the chemical formula C₁₉H₁₈PBr. It appears as a white crystalline powder and it is commonly used as a solid quaternary phosphonium salt flame retardant. It can soluble in alcohol, trichloromethane, slightly soluble in water.
Product Properties
|
Product Name: |
Methyl triphenyl phosphonium bromide (MTPB) |
|
Other Name: |
Methyltriphenylphosphonium bromide; Methyl triphenylphosphonium bromide;MTPPBR;MTPPBr;MTPPB |
|
CAS NO.: |
1779-49-3 |
|
Molecular Formula: |
C19H18BrP |
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Structural Formula: |
|
|
Molecular Weight: |
357.22 |
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Solubility: |
It is soluble in alcohol, trichloromethane, slightly soluble in water. |
Product Specification
|
Assay: |
99.5% min |
|
Appearance: |
White crystalline powder |
|
Melting point: |
230 ℃-234℃ |
|
Moisture: |
≤500 ppm |
| TPP-EB: | ≤100 ppm |
| Solubility: | Transparent(200 mg+5ml water) |
Product Application
Methyl triphenyl phosphonium bromide is mainly used as a phase transfer catalyst in organic reactions and is suitable for the synthesis of meso-aromatic fluorides. It also used as the phosphine Ylide precursor for Wittig reaction in fine chemicals, pharmaceuticals, liquid crystal monomer synthesis.
Wittig precursor: It commonly used as a precursor for the formation of alkyl compounds, it is a key intermediate involved in the formation of alkenes in Wittig reactions.
Organic synthesis: It is also used in the synthesis of various organic compounds, especially those that require the introduction of unsaturated bonds.
Liquid crystal material synthesis: Because it can promote the production of specific unsaturated structures, it helps the synthesis of complex molecules in liquid crystal technology.
Product Packaging & Storage
Packaging:
Supplied in 25 kg/drums or 25 kg/bags.
Storage:
It should be stored in a cool, dark place under an inert gas, and the container should be tightly closed. It's hygroscopic and should be protected from moisture.
FAQ
Q: What is the CAS number of Methyltriphenylphosphonium bromide?
A: The CAS number for methyltriphenylphosphonium bromide is 1779-49-3.
Q: What are its safety concerns?
A: Methyl triphenyl phosphonium bromide is harmful if inhaled, swallowed, or comes into contact with skin. It can cause serious eye irritation and skin irritation. It's also incompatible with strong oxidizing agents.
Q: What is the abbreviation of Methyl triphenyl phosphonium bromide?
A:The abbreviation of Methyltriphenylphosphonium bromide is MTPB.
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