Products Description of Cetrimide CAS#8044-71-1
Cetrimide is a mixture of alkyl trimethyl ammonium bromides, mainly tetradecyltrimethylammonium bromide with molecular formula C₁₇H₃₈BrN and molecular weight of 336.4 g/mol. It appears as white to creamy-white free-flowing powder with faint characteristic odor. It is freely soluble in water and ethanol, and practically insoluble in ether.
Its melting point ranges from 245 ℃ to 250 ℃ with decomposition upon strong heating. As a cationic quaternary ammonium surfactant, it maintains stable properties in dry environment. It is widely used as broad-spectrum bactericide and disinfectant raw material in pharmaceutical and personal care industries.
Ctrimide Chemical Properties
| Melting point | 245-250 °C(lit.) |
| Bulk Density | ~0.35–0.55 g/cm³ |
| Form | Free-flowing powder |
| Color | White to off-white |
| pH (1% aqueous solution) | 5.0–8.0 |
| Odor | Slight characteristic odor |
| Solubility | Soluble in water, ethanol; slightly soluble in acetone, insoluble in ether |
| CAS DataBase Reference | 8044-71-1(CAS DataBase Reference) |
| Hazard Codes | C |
| Risk Statements | 34-20/21/22 |
| Safety Statements | 26-36/37/39-45-28 |
| RIDADR | UN 3263 8/PG 2 |
| WGK Germany | 3 |
| RTECS | BS5776000 |
| F | 3 |
| HS Code | 29181100 |
Product Application of Cetrimide CAS#8044-71-1
Cetrimide is a versatile cationic quaternary ammonium surfactant with broad-spectrum bactericidal activity against bacteria, fungi and algae. It is commonly used as raw material for pharmaceutical topical antiseptics and wound cleaning preparations.
In personal care and cosmetic industry, it functions as preservative, emulsifier and conditioning agent in creams, lotions and hair care products. It also works as a phase transfer catalyst in fine chemical synthesis.
Besides, it is added into water treatment agents, textile auxiliaries and household disinfectants to achieve surface sterilization, algae inhibition and cleaning effects. It can be compounded with other ingredients to enhance disinfection performance, widely adopted in hygiene, cosmetic, pharmaceutical and fine chemical manufacturing.
