DEHS

Fluid for generating solid droplet aerosols

Fluid for generating solid droplet aerosols

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DEHS

Fluid for generating solid droplet aerosols

Description

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).

You can download the safety data sheet by clicking the download button.

Table: Evapuration time
DEHS Tabelle eng.jpg DOP: Di-Octyl-Phthalat

DEHS: Di-Ethyl-Hexyl-Sebacat

Benefits

  • Long service time of the aerosol (although liquid)
  • Vaporisation not until after hours
  • Spheric particles (droplets)

Datasheet

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/cm^3
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)

Applications

  • DEHS proven its ability for the aerosol production in particular for the acceptance and monitoring of clean room technology.
  • Among the advantages of DEHS as aerosol material is the long life of the particles.
  • DEHS evaporates after a long time without residue, see table.

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