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Cetyltrimethylammonium Chloride, also known as C16-Trimethylammonium Chloride, is a quaternary ammonium cationic surfactant. MF: C₁₉H₄₂ClN, MW: 320.00. Appearance: white crystalline powder. It exhibits excellent compatibility with cationic, nonionic, and amphoteric surfactants. It exhibits excellent chemical stability, withstanding heat, light, pressure, and strong acids/bases. It possesses outstanding penetration, softening, emulsifying, antistatic, biodegradable, and bactericidal properties.
| Item | Specification |
| Melting point | 232-234°C |
| Boiling Point | 475.54°C |
| Density | 0.968 g/mL at 25°C |
| Vapor Pressure | 0.006 Pa at 25°C |
| Refractive Index | n20/D 1.3778 |
| Flash Point | >110°C |
| Specific gravity | 0.968 |
| CMC | 1.3×10⁻³ mol/L (at 25°C) |
| Solubility | Highly soluble in water, forming clear or slightly turbid solutions; soluble in polar organic solvents such as ethanol and isopropanol; insoluble in non-polar solvents like diethyl ether and petroleum ether. |
Personal Care Sector:
– As a cationic conditioning agent in shampoos and conditioners
– As a germicidal ingredient (0.1%-1% concentration) in body washes, hand soaps, toothpastes, and mouthwashes
– As an emulsifier and stabilizer in creams, lotions, sunscreens, and similar products.
Pharmaceutical and Biotech Applications:
– For disinfecting medical devices and skin/mucous membranes with high bactericidal efficacy.
– As a solubilizer and emulsifier in pharmaceutical formulations to aid dissolution or dispersion of poorly soluble drugs.
– For cell membrane separation, protein extraction and purification, or as a membrane disruptor in DNA extraction.
Industrial and Materials Applications:
– Used as a fabric softener and antistatic agent, as well as a leveling agent in textile printing and dyeing.
– Used for paper sizing and surface treatment, also functions as a sterilant to prevent pulp mold growth.
– As a cationic flocculant for industrial wastewater treatment, while inhibiting bacteria in circulating cooling water.
– Used in metal surface treatment, pesticide emulsifiers, catalyst carriers, etc.
Cetyltrimethylammonium Chloride can serve as a food processing aid, a mobile phase additive for ion-pair chromatography (IPC), and a model compound for surface tension measurement and micelle behavior studies.
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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