1-Hexadecylpyridinium bromide
Pharmaceutical Materials 2025-03-02
CAS Number: 140-72-7
Molecular Formula: C21H38BrN
Molecular Weight: 384.44 g/mol
Appearance: White to cream-colored powder or waxy solid
Melting Point: 63-69°C
Water Solubility: 5 g/L at 20°C
Use: It is used as a surfactant, preservative, and emulsifier.
| Property | Details |
|---|---|
| Chemical Name | 1-Hexadecylpyridinium bromide |
| Other Names | Bromohexadecyl pyridine; Brominated cetyl pyridine; Hexadecyl pyridinium bromide; Cetylpyridinium bromide |
| CAS Number | 140-72-7 |
| Molecular Formula | C21H38BrN |
| Molecular Weight | 384.44 g/mol |
| Appearance | Creamy, waxy solid; White to nearly white powder or crystalline solid |
| Melting Point | 63-69 ºC |
| Solubility | Soluble in chloroform, methanol, acetone, and ethanol; 5 g/L in water at 20 ºC; Slightly soluble in benzene, petroleum ether, and acetone; Insoluble in hexane |
| Stability | Stable under normal temperatures and pressures |
| Storage Conditions | Store in a cool, dry place, away from light and heat |
| Usage | Used as a surfactant, bactericide, emulsifier, and pharmaceutical intermediate; Also used in industrial cooling water treatment as a bactericide and corrosion inhibitor |
| Safety Information | May cause skin and eye irritation; May be harmful if swallowed or inhaled; Keep away from sources of ignition; Store and handle with caution |
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