Molekula
Hexadecyltrimethylammonium bromide (Cetyltrimethylammonium bromide)
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
Hexadecyltrimethylammonium bromide (CTAB) is a quaternary ammonium compound used as a surfactant, disinfectant, and in nanomaterial synthesis. It is a cationic surfactant with applications in laboratories and industrial processes. CAS: 57-09-0, Molecular formula: C16H33N(CH3)3Br, Molecular weight: 364.45 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Hexadecyltrimethylammonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Hexadecyltrimethylammonium bromide (CTAB) is a quaternary ammonium compound used as a surfactant, disinfectant, and in nanomaterial synthesis. It is a cationic surfactant with applications in laboratories and industrial processes. CAS: 57-09-0, Molecular formula: C16H33N(CH3)3Br, Molecular weight: 364.45 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Hexadecyltrimethylammonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
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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100 g — £25.60 per pack
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500 g — £77.30 per pack
Need a different quantity or pack?
Tell us the quantity you actually need — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price, usually within one working day.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to Off-white powder |
| Colour | ≤ 100 Hazen |
| Assay (Titration) | ⩾ 99.0% |
| Water (KF) | ≤ 0.8% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 244 C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 29309654 |
| CAS Number | 57-09-0 |
| Molecular Formula | C16H33N(CH3)3Br |
| Molecular Weight | 364.45 |
| SMILES | [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C |
| EC / UN Number | 3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29239001 |
| Tariff Code | 2923900090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- 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, 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 Hexadecyltrimethylammonium bromide used for?
It is commonly used as a surfactant, emulsifier, and disinfectant in industrial and laboratory applications.
What is the chemical formula and molecular weight?
The formula is C16H33N(CH3)3Br with a molecular weight of 364.45 g/mol.
How should this compound be stored?
Store at ambient temperature, away from moisture and incompatible substances.
What grade is available?
Available in technical grade; custom 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 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.