Molekula
Benzyltriphenylphosphonium 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
Benzyltriphenylphosphonium bromide is an organophosphorus compound widely used as a phase-transfer catalyst in organic synthesis, enabling efficient reactions between organic and inorganic substrates. This white to off-white crystalline solid facilitates alkylation, hydrolysis, and other transformations under mild conditions, improving yield and selectivity. CAS 1449-46-3, molecular formula C6H5CH2P(Br)(C6H5)3, molecular weight 433.32 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies Benzyltriphenylphosphonium 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 — $61.00 per pack
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100 g — $143.10 per pack
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 solid |
| Purity (HPLC) | >96% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90026474 |
| CAS Number | 1449-46-3 |
| IUPAC Name | benzyl(triphenyl)phosphanium bromide |
| EC Number | 215-908-4 |
| Molecular Formula | C6H5CH2P(Br)(C6H5)3 |
| Molecular Weight | 433.32 |
| Exact Mass | 432.0643 |
| SMILES | C1=CC=C(C=C1)C[P+](C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4.[Br-] |
| InChIKey | WTEPWWCRWNCUNA-UHFFFAOYSA-M |
| InChI | InChI=1S/C25H22P.BrH/c1-5-13-22(14-6-1)21-26(23-15-7-2-8-16-23,24-17-9-3-10-18-24)25-19-11-4-12-20-25;/h1-20H,21H2;1H/q+1;/p-1 |
| PubChem CID | 2734970 |
| REACH Code | Y113 |
| 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
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: 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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- (Phenylmethyl)triphenylphosphonium bromide
- (Phenylmethyl)triphenylphosphonium bromide,; Bromo(benzyl)triphenylphosphorane;
- benzyl(triphenyl)phosphanium;bromide
- Bromo(benzyl)triphenylphosphorane
- C25H22BrP
- Phosphonium, benzyltriphenyl- bromide
- PHOSPHONIUM, TRIPHENYL(PHENYLMETHYL)-, BROMIDE
- Phosphonium, triphenyl(phenylmethyl)-, bromide (1:1)
- Triphenylbenzylphosphonium bromide
- U-CAT SA 5003
Frequently asked questions
What is benzyltriphenylphosphonium bromide commonly used for?
It is primarily used as a phase-transfer catalyst in organic synthesis, particularly for alkylation and condensation reactions.
What is the chemical formula and molecular weight of benzyltriphenylphosphonium bromide?
The formula is **C6H5CH2P(Br)(C6H5)3**, and the molecular weight is **433.32 g/mol**.
How should benzyltriphenylphosphonium bromide be stored?
Store at **ambient temperature** in a dry, well-ventilated area, away from moisture and direct sunlight.
What grades or purities of benzyltriphenylphosphonium bromide does Molekula supply?
Molekula supplies **high-purity reagent grade** (≥98% purity) for research and industrial applications.
Can Molekula supply benzyltriphenylphosphonium bromide in bulk quantities?
Yes, we offer bulk packaging options—please contact our sales team for custom quantities and pricing.
What documentation comes with an order of benzyltriphenylphosphonium bromide?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.