Molekula
Dodecyltrimethylammonium 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
Dodecyltrimethylammonium bromide is a quaternary ammonium surfactant used in detergents, disinfectants, and emulsifiers. It is a cationic surfactant with excellent solubility in water and organic solvents. CAS: 1119-94-4, Molecular formula: C15H34BrN, Molecular weight: 308.34 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Dodecyltrimethylammonium 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 — £30.90 per pack ex VAT · £37.08 inc. VAT
-
100 g — £77.30 per pack ex VAT · £92.76 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 off-white crystalline powder |
| Grade | Reagent Grade |
| Colour | ≤ 100 Hazen |
| Assay (Titration) | ≥ 99.0% |
| Water (KF) | ≤ 1.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 76226624 |
| CAS Number | 1119-94-4 |
| IUPAC Name | dodecyl(trimethyl)azanium bromide |
| EC Number | 214-290-3 |
| Molecular Formula | CH3(CH2)11N(CH3)3Br |
| Molecular Weight | 308.34 |
| Exact Mass | 307.1875 |
| SMILES | CCCCCCCCCCCC[N+](C)(C)C.[Br-] |
| InChIKey | XJWSAJYUBXQQDR-UHFFFAOYSA-M |
| InChI | InChI=1S/C15H34N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16(2,3)4;/h5-15H2,1-4H3;1H/q+1;/p-1 |
| PubChem CID | 14249 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29239001 |
| Tariff Code | 2923900090 |
Safety & GHS
-
Toxic
GHS06
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- 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
- 1-Dodecanaminium, N,N,N-trimethyl-, bromide
- Dctab
- DTAB
- DTAB (surfactant)
- Laurtrimonium bromide
- Lauryltrimethylammonium bromide
- LTAB
- Morpan D
- Trimethyldodecylammonium bromide
- Trimethyllaurylammonium bromide
Frequently asked questions
What is dodecyltrimethylammonium bromide used for?
It is primarily used as a cationic surfactant in industrial and laboratory applications, including emulsification, disinfection, and as a phase-transfer catalyst.
What is the chemical formula and molecular weight?
The formula is CH3(CH2)11N(CH3)3Br with a molecular weight of 308.34 g/mol.
How should dodecyltrimethylammonium bromide be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available?
Available in technical grade; specific higher grades may be available upon request.
Can Molekula supply it in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
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.