Hexadecyl Trimethyl Ammonium Bromide
Excellent Solubility: Demonstrates rapid dissolution in both isopropanol and water, characterized by abundant foam generation upon agitation.
Versatile Compatibility: Exhibits strong synergistic effects with cationic, nonionic, and amphoteric surfactants, enhancing formulation flexibility.
Multifunctional Performance: Delivers superior penetration, softening, emulsification, and bactericidal capabilities for diverse applications.
Robust Stability: Maintains consistent performance under varying conditions, demonstrating high tolerance to heat, light, pressure, and extreme pH environments.
Hexadecyltrimethylammonium bromide is characterized by its white to light-yellow crystalline or powdered form. It exhibits high solubility in both isopropanol and water, generating abundant foam upon agitation. The compound demonstrates strong compatibility with cationic, nonionic, and amphoteric surfactants while delivering excellent performance in penetration, softening, emulsification, antistatic protection, biodegradability, and bactericidal action. Additionally, it maintains robust chemical stability with notable resistance to heat, light, pressure, and strong acids or alkalis.
Hexadecyltrimethylammonium Bromide (CAS#57-09-0) demonstrates exceptional multifunctional properties including penetration, softening, emulsification, antistatic effects, biodegradability, and bactericidal activity, complemented by remarkable chemical stability resistant to heat, light, pressure, and extreme pH conditions. Its versatile applications span serving as an effective emulsifier for natural/synthetic rubber, silicone oil, and asphalt; functioning as an antistatic agent and softener for synthetic, natural, and glass fibers; and acting as a conditioning component in hair care products.
Hexadecyl trimethyl ammonium bromide Chemical Properties
Melting point | 248-251 °C(lit.) |
Density | 1.1107 (rough estimate) |
Refractive index | 1.5260 (estimate) |
Fp | 244 °C |
Storage temp | Store below +30°C. |
Solubility | H2O: 50 mg/mL |
Form | |
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 |
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) |
Safety Information
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) |
