Product Introduction
Ethyl triphenyl phosphonium bromide is a chemical compound with the molecular formula C₁₉H₂₀BrP and its molecular weight is 371.25. It is a quaternary phosphonium salt, it resembles quaternary ammonium salts in structure, but the larger radius of its phosphorus atom leads to enhanced polarization effects compared to ammonium salts.
Product Properties
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Product Name: |
Ethyl triphenyl phosphonium bromide (ETPB) |
|
Other Name: |
Ethyltriphenylphosphonium bromide;Ethyl triphenylphosphonium Bromide;ETPPBR;ETPPBr;ETPPB; TPP-EB |
|
CAS NO.: |
1530-32-1 |
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Structural Formula: |
|
|
Molecular Formula: |
C20H20PBr |
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Molecular Weight: |
371.25 |
|
Solubility: |
It is soluble in alcohols and chloroform, slightly soluble in water. |
Product Specification
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Assay: |
99.5% min |
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Appearance: |
White Crystalline powder |
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Melting point: |
205 ℃-208℃ |
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Moisture: |
≤500 ppm |
| TPP-MB: | ≤300 ppm |
| Solubility: | Transparent(200 mg+5ml water) |
Product Application
Ethyl triphenyl phosphonium bromide is mainly used as a precursor for phosphonium ylides in Wittig reactions, which is very important for the synthesis of fine chemicals, pharmaceuticals, and liquid crystal monomers. It is commonly used as a curing promoter of powder coating and epoxy resin and a phase transfer catalyst in organic reactions.It is the important intermediate in the production of numerous target compounds in the pharmaceutical and fine chemical industries.
Product Packaging & Storage
Packaging:
Supplied in 25kg/drums or 25 kg/bag.
Storage:
Store in a light-proof, cool, dry, and well-ventilated area.
FAQ
Q:What is the hs code of Ethyltriphenylphosphonium bromide?
A: The HS code of it is 2931590090.
Q:Is Ethyltriphenylphosphonium bromide exported as general goods or dangerous goods?
A: It is exported as Class 6.1 dangerous goods, Certificate for Dangerous Goods Packaging and commodity inspection are needed.
Q: Can you provide samples?
A: Yes, under normal circumstances, we can provide free samples of approximately 200-500g. However, the international express fee will need to be covered by you. This fee can be deducted from your subsequent order.
Q: What is your general delivery time?
A: It depends on the model you need and our inventory. We generally have some stock of commonly used models, and the delivery time is generally 3-15 days.
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