A4715012
                    Hexadecyl trimethyl ammonium bromide , Used for molecular biology, ≥99% , 57-09-0
                            Synonym(s):
Cetrimonium bromide;Cetyltrimethylammonium bromide;CTAB;Hexadecyltrimethylammonium bromide;Palmityltrimethylammonium bromide
                            
                        
                CAS NO.:57-09-0
Empirical Formula: C19H42BrN
Molecular Weight: 364.45
MDL number: MFCD00011772
EINECS: 200-311-3
| Pack Size | Price | Stock | Quantity | 
| 25g | RMB36.00 | In Stock | 
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| 100G | RMB95.20 | In Stock | 
                                                 | 
                                        
| 500G | RMB242.40 | In Stock | 
                                                 | 
                                        
| 2.5kg | RMB875.20 | In Stock | 
                                                 | 
                                        
| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 248-251 °C(lit.) | 
                                    
| bulk density | 390kg/m3 | 
                                    
| Density | 1.1107 (rough estimate) | 
                                    
| refractive index | 1.5260 (estimate) | 
                                    
| Flash point: | 244 °C | 
                                    
| storage temp. | Store below +30°C. | 
                                    
| solubility | H2O: 50 mg/mL | 
                                    
| form | powder | 
                                    
| color | white | 
                                    
| PH | 5.0-7.0 (25℃, 0.1M in H2O) | 
                                    
| Odor | Odorless | 
                                    
| PH Range | 5 - 7 | 
                                    
| Water Solubility | 13 g/L (20 ºC) | 
                                    
| Sensitive | Hygroscopic | 
                                    
| λmax | λ: 260 nm Amax: 0.06 λ: 280 nm Amax: 0.05  | 
                                    
| Merck | 14,2025 | 
                                    
| BRN | 3598189 | 
                                    
| Stability: | Stable. Incompatible with strong oxidizing agents. Protect from moisture. | 
                                    
| InChIKey | LZZYPRNAOMGNLH-UHFFFAOYSA-M | 
                                    
| CAS DataBase Reference | 57-09-0(CAS DataBase Reference) | 
                                    
| EPA Substance Registry System | Cetyl trimethyl ammonium bromide (57-09-0) | 
                                    
Description and Uses
Hexadecyltrimethylammonium Bromide (CTAB) is a cationic surfactant used as a template in the synthesis of Mesoporous γ-Fe2O3.
Safety
| Symbol(GHS) | ![]() ![]() ![]() ![]() 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 | 22-37/38-41-50-50/53-36/37/38-48/22 | 
| Safety Statements | 26-39-61-37/39-60-36 | 
| RIDADR | UN 3077 9/PG 3 | 
| WGK Germany | 3 | 
| RTECS | BQ7875000 | 
| F | 3 | 
| TSCA | Yes | 
| HazardClass | 9 | 
| PackingGroup | III | 
| HS Code | 29239000 | 
| Toxicity | LD50 in mice, rats (mg/kg): 32.0, 44.0 i.v. (Isomaa, Bjondahl) | 
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid) | 
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) | 









