Molekula
Tetrabutylammonium bromide (TBAB)
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
Tetrabutylammonium bromide (TBAB) is a quaternary ammonium salt used as a phase-transfer catalyst in organic synthesis. It facilitates reactions between immiscible phases, enhancing reaction efficiency. Available in powder form, it has a molecular weight of 322.37 g/mol, a CAS number of 1643-19-2, and is stable at ambient storage conditions. It carries a warning signal word due to potential health hazards. Molekula supplies Tetrabutylammonium 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.
-
25 g — £18.00 per pack ex VAT · £21.60 inc. VAT
-
100 g — £30.90 per pack ex VAT · £37.08 inc. VAT
-
500 g — £62.10 per pack ex VAT · £74.52 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 to almost white crystals/crystalline powder |
| Identification | Conforms to reference |
| Assay | ≥99% (titration) |
| Free Amine | ≤0.5% (tritration) |
| Moisture | ≤0.5% (moisture titration) |
| Chromaticity | ≤200 (chroma meter) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 64093691 |
| CAS Number | 1643-19-2 |
| IUPAC Name | tetrabutylazanium bromide |
| EC Number | 216-699-2 |
| Molecular Formula | (CH3CH2CH2CH2)4N(Br) |
| Molecular Weight | 322.37 |
| Exact Mass | 321.2031 |
| SMILES | CCCC[N+](CCCC)(CCCC)CCCC.[Br-] |
| InChIKey | JRMUNVKIHCOMHV-UHFFFAOYSA-M |
| InChI | InChI=1S/C16H36N.BrH/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;/h5-16H2,1-4H3;1H/q+1;/p-1 |
| PubChem CID | 74236 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29239001 |
| Tariff Code | 2923900055 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H361 Suspected of damaging fertility or the unborn child
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P263 Avoid contact during pregnancy/while nursing
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- 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, Russian, 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
- 1-Butanaminium, N,N,N-tributyl-, bromide
- 1-Butanaminium, N,N,N-tributyl-, bromide (1:1)
- Bu(4)NBr
- N,N,N-Tributyl-1-butanaminium bromide
- N,N,N-tributylbutan-1-aminium bromide
- TBAB
- TBAB SUMQUAT 6065
- Tetra-N-butylammonium bromide
- Tetrabutylammonium bromide
- tetrabutylazanium bromide
Frequently asked questions
What is tetrabutylammonium bromide used for?
It is commonly used as a phase-transfer catalyst in organic synthesis, facilitating reactions between immiscible phases.
What is the chemical formula and molecular weight of TBAB?
The formula is (CH3CH2CH2CH2)4N(Br) with a molecular weight of 322.37 g/mol.
How should tetrabutylammonium bromide be stored?
Store at ambient temperature, away from moisture and incompatible materials.
What grade is available for tetrabutylammonium bromide?
Available in technical grade; specific higher grades may be available upon request.
Can Molekula supply tetrabutylammonium bromide in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with a purchase of TBAB?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.