Hexadecyltrimethylammonium bromide
SIAL/36932 - analytical standard
Synonym: CTAB; Cetrimonium bromide; Cetyltrimethylammonium bromide; Palmityltrimethylammonium bromide
CAS Number: 57-09-0
Empirical Formula (Hill Notation): C19H42BrN
Molecular Weight: 364.45
EC Number: 200-311-3
MDL Number: MFCD00011772
Linear Formula: CH3(CH2)15N(Br)(CH3)3
Product Type: Chemical
| application(s) | cleaning products cosmetics environmental food and beverages personal care |
| assay | 98-102% |
| description | cationic |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C19H42N.BrH/c1-5-6-7-8 |
| InChI key | LZZYPRNAOMGNLH-UHFFFAOYSA |
| mol wt | 364.45 g/mol |
| mp | 248-251 °C (lit.) |
| Quality Level | 100  |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | [Br-].CCCCCCCCCCCCCCCC[N+ |
| solubility | H2O: soluble 36.4 g/L at 20 °C (completely) |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable |
| Application: | CTAB may be used as a reference standard for the determination of: • CTAB in various water samples by combining a dispersive liquid-liquid microextraction (DLLME) technique with high performance liquid chromatography. • CTAB in pharmaceutical formulations by reversed-phase high-performance liquid chromatography (RP- HPLC). |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| General description: | Cetrimonium bromide(CTAB) is a quaternary ammonium derivative known to enhance anti-tumor activity. It is one of the components of the broad-spectrum antiseptic cetrimide and may also be used as a buffer for DNA extraction. |
| General description: | This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here |
| Symbol |     GHS05,GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H302 - H315 - H318 - H335 - H373 - H410 |
| Precautionary statements | P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P314 |
| Hazard Codes | Xn,N |
| Risk Statements | 22-37/38-41-48/22-50 |
| Safety Statements | 26-39-60-61 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 471.2 °F - closed cup |
| Flash Point(C) | 244 °C - closed cup |
| Purity | 98-102% |
| mp | 248-251 °C (lit.) |
| UNSPSC | 41116107 |