Technical data sheet for Dow's TRITON™ H-66 anionic phosphate polyether ester surfactant, detailing properties, performance, and usage.
This Technical Data Sheet provides chemical description, benefits, applications, and detailed physical and performance properties for Dow's TRITON™ H-66 surfactant. It is intended for formulators and end‑users who need precise data for product development and compliance.
Key characteristics include anionic nature, 50 wt% actives, low foam performance, stability in acidic and alkaline environments, and ready biodegradability. Physical data such as viscosity (120 cP), density (1.249 g/mL), and pH (8.4) are listed alongside surface tension and foam measurements for neutral and alkaline conditions.
| Surfactant Type | Anionic |
|---|---|
| Actives (wt%) | 50 |
| Appearance | Yellow liquid |
| pH (5% aq solution) | 8.4 |
| Viscosity at 25 °C | 120 cP |
| Density at 25 °C | 1.249 g/mL |
| Flash Point | None |
| Pour Point | < -6 °C |
| Surface Tension (neutral) | 45 dynes/cm |
| Surface Tension (alkaline) | 41 dynes/cm |
| Foam Height (neutral) | 50/8 mm |
| Foam Height (alkaline) | 105/25 mm |
It is an anionic phosphate polyether ester surfactant.
Yes, it is readily biodegradable.
It is soluble in water and insoluble in aromatic, chlorinated and aliphatic hydrocarbons.