
Triton X-100 is a widely used non-ionic surfactant belonging to the octylphenol polyoxyethylene ether (OPE) class. It exhibits chemical stability with resistance to acids, alkalis, and hard water; It exhibits minimal decomposition at elevated temperatures (≤100°C). Possessing excellent emulsifying, dispersing, and solubilising properties, it finds extensive application across scientific research, industrial processes, and pharmaceutical sectors. It holds an irreplaceable position particularly in biological experiments sensitive to ionic environments.
| Item | Specification |
| Boiling point | 250°C (lit.) |
| Melting point | 44–46°C |
| Density | 1.06 g/mL at 20°C |
| Vapour density | >1 (vs air) |
| Vapour pressure | <1.33 hPa at 20°C |
| Refractive index | n20/D 1.491 |
| Flash point | 535°F |
| Colour | ≤100 (APHA) |
| PH | 6.5–8.5 (25°C) |
| HLB | 13.5 |
| Solubility | Easily soluble in polar solvents such as water, ethanol, acetone, and chloroform; insoluble in non-polar solvents like petroleum ether and benzene. |
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