Molekula
Hexadecyltrimethylammonium bromide (Cetyltrimethylammonium bromide)
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.
Specifications
| Property | Value |
|---|---|
| Appearance | White to Off-white powder |
| Colour | ≤ 100 Hazen |
| Water Content (KF) | ≤ 0.8% |
| Assay (Titration) | ⩾ 99.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 244 C |
| Transport Class | 9 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| 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
-
Explosive
GHS01
-
Flammable
GHS02
-
Compressed Gas
GHS04
-
Toxic
GHS06
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
For research and industrial use only
Documents
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.
Pricing & pack sizes
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.