Molekula
Pentafluorobenzyl 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
Pentafluorobenzyl bromide is a highly fluorinated aromatic compound used primarily as a reagent in organic synthesis, particularly for introducing pentafluorobenzyl protecting groups in pharmaceutical and agrochemical research. It is also employed in fluorinated polymer chemistry and as an electrophile in nucleophilic substitution reactions. This chemical has a CAS number of 1765-40-8, a molecular formula of C6F5CH2Br, and a molecular weight of 260.99 g/mol. It should be stored at ambient temperature, with a signal word of "Danger" indicating high reactivity and potential hazards. Molekula supplies pentafluorobenzyl 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.
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5 g — £40.00 per pack ex VAT · £48.00 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless to yellow liquid |
| Refractive Index | 1.4685 to 1.4725 (20°C, 589nm) |
| Purity (GC) | ≥96.0% |
| Identification (IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 83 °C |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90028659 |
| CAS Number | 1765-40-8 |
| IUPAC Name | 1-(bromomethyl)-2,3,4,5,6-pentafluorobenzene |
| EC Number | 217-182-4 |
| Molecular Formula | C6F5CH2Br |
| Molecular Weight | 260.99 |
| Exact Mass | 259.926 |
| SMILES | C(C1=C(C(=C(C(=C1F)F)F)F)F)Br |
| InChIKey | XDEPVFFKOVDUNO-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H2BrF5/c8-1-2-3(9)5(11)7(13)6(12)4(2)10/h1H2 |
| PubChem CID | 74484 |
| UN Number | UN1760 |
| REACH Code | Y110 |
| HTS Code | 29039980 |
| Tariff Code | 2903998090 |
Safety & GHS
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Corrosive
GHS05
Hazard statements
- H227 Combustible liquid
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H335 May cause respiratory irritation
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, 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
- (Bromomethyl)pentafluorobenzene
- 1-(Bromomethyl)-2,3,4,5,6-pentafluorobenzene
- 1-Bromomethylpentafluorobenzene
- 2,3,4,5,6-Pentafluorobenzyl bromide
- alpha-Bromo-2,3,4,5,6-pentafluorotoluene
- BENZENE, (BROMOMETHYL)PENTAFLUORO-
- BENZENE, 1-(BROMOMETHYL)-2,3,4,5,6-PENTAFLUORO-
- PFBBR
- Toluene, alpha-bromo-2,3,4,5,6-pentafluoro-
- XDEPVFFKOVDUNO-UHFFFAOYSA-
Frequently asked questions
What is pentafluorobenzyl bromide commonly used for?
Pentafluorobenzyl bromide is primarily used as a reagent in organic synthesis, particularly for the introduction of pentafluorobenzyl (PFB) protecting groups in peptides, alcohols, and carboxylic acids.
What is the chemical formula and molecular weight of pentafluorobenzyl bromide?
The chemical formula is C₆F₅CH₂Br and the molecular weight is 260.99 g/mol.
What safety classification does pentafluorobenzyl bromide have?
It is classified with the signal word 'Danger' because it is corrosive and causes severe skin burns and eye damage (H314, Category 1B). It is also a combustible liquid (H227) and may cause respiratory irritation (H335).
How should pentafluorobenzyl bromide be stored?
Store in a tightly sealed container at ambient temperature, away from moisture, light, and incompatible substances like strong oxidizers.
Does Molekula supply pentafluorobenzyl bromide in bulk quantities?
Yes, we offer pentafluorobenzyl bromide in bulk quantities upon request, subject to availability and customer requirements.
What documentation is provided with an order of pentafluorobenzyl 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.