Fluid for generating solid droplet aerosols
Di-Ethyl-Hexyl-Sebacat (DEHS) is a colorless and odorless fluid which is insoluble in water. It is very good suited for generating solid aerosols. By atomising DEHS with aerosol generators, droplet aerosols arise. Their main particle size is in the area of the most penetrating particle size (MPPS, 0.2 – 0.3 µm).
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Table: Evapuration time
DOP: Di-Octyl-Phthalat
DEHS: Di-Ethyl-Hexyl-Sebacat
| Benefits | <span style="color:#008b57">•</span> Long service time of the aerosol (although liquid) |
|---|---|
| Applications | <br> <span style="color:#008b57">•</span> DEHS proven its ability for the aerosol production in particular for the acceptance and monitoring of clean room technology. |
| Name | Di-Ethyl-Hexyl-Sebacat (DEHS) |
| Formula | C26H50O4 |
| CAS-number | 122-62-3 |
| Molecular weight | 426.68 g/mol |
| Form | Fluid |
| Color | Colorless |
| Smell | Odorless |
| Density | 0.91 g/cm3 |
| Melting point | approx. -67 °C |
| Boiling point | > 250 °C |
| Flash point | > 210 °C |
| Vapor pressure | < 0.01 hPA (at 20 °C) |
| Dynamic viscosity | 19 – 23 mPa • s |
| Solubility in water | < 0.0001 g/l (at 20 °C) |
| Refraction index | 1.450 (at 20 °C) |
