Molekula
Tetraphenylphosponium bromide
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Tetraphenylphosphonium bromide is an organophosphorus compound used primarily as a phase-transfer catalyst in organic synthesis, facilitating reactions between hydrophobic and hydrophilic reagents. It is a white to off-white crystalline solid with high solubility in polar organic solvents. This chemical has a CAS number of 2751-90-8, a molecular formula of (C6H5)4P(Br), and a molecular weight of 419.29 g/mol. It should be stored at ambient conditions and handled with caution, as it carries a warning signal word for potential hazards. Molekula supplies Tetraphenylphosphonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £26.30 per pack ex VAT · £31.56 inc. VAT
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100 g — £51.40 per pack ex VAT · £61.68 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Melting Point | 294 - 297 Deg C |
| Water | ≤0.5% |
| Identification | Conforms to reference |
| Assay | ≥99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 260 °C |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 11361154 |
| CAS Number | 2751-90-8 |
| Molecular Formula | (C6H5)4P(Br) |
| Molecular Weight | 419.29 |
| SMILES | C1=CC=C(C=C1)[P+](C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4.[Br-] |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2931590080 |
| Tariff Code | 2931599090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+350 IF ON SKIN: Gently wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is tetraphenylphosphonium bromide commonly used for?
Tetraphenylphosphonium bromide is primarily used as a phase-transfer catalyst in organic synthesis, particularly in reactions like the Williamson ether synthesis and alkylation of carbanions.
What is the chemical formula and molecular weight of tetraphenylphosphonium bromide?
The chemical formula is (C6H5)4P(Br), and the molecular weight is 419.29 g/mol.
How should tetraphenylphosphonium bromide be stored?
Store at ambient temperature in a cool, dry place, away from moisture and direct sunlight.
What grades or purities of tetraphenylphosphonium bromide does Molekula offer?
Molekula supplies tetraphenylphosphonium bromide in high-purity analytical and reagent grades, suitable for laboratory and industrial applications.
Can Molekula supply tetraphenylphosphonium bromide in bulk quantities?
Yes, Molekula can provide tetraphenylphosphonium bromide in bulk, with quantities tailored to meet your specific requirements.
What documentation is provided with an order of tetraphenylphosphonium bromide?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.