Refractive index database

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Optical constants of C8H19NO (Diisopropylaminoethanol, DIPA)
Myers et al. 2018: n,k 1.28–25.0 µm

Wavelength: µm

Complex refractive index (n+ik)[ i ]

n   k   LogX   LogY   eV

Derived optical constants

Conditions & Spec sheet

n_is_absolute: true
wavelength_is_vacuum: true
temperature: 26 °C


26 °C


T. L. Myers, R. G. Tonkyn, T. O. Danby, M. S. Taubman, B. E. Bernacki, J. C. Birnbaum, S. W. Sharpe, T. J. Johnson. Accurate measurement of the optical constants n and k for a series of 57 inorganic and organic liquids for optical modeling and detection, Appl. Spectrosc. 72, 535-550 (2018) (see Supplemental Material for numerical data)


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Diisopropylaminoethanol, C8H19NO

Diisopropylaminoethanol (C8H19NO) is an organic compound that is a secondary amine and a tertiary alcohol. Due to the combination of these functional groups, it can participate in various reactions, making it valuable in chemical synthesis. It's a colorless liquid at room temperature and is miscible with many organic solvents. In industry, it finds use as a solvent, corrosion inhibitor, and in the manufacture of some surfactants. Additionally, it can be utilized in the production of pharmaceuticals and other organic compounds.

Other names

  • DIPA
  • Diisopropylethanolamine
  • N,N-Diisopropylaminoethanol
  • N,N-Diisopropylethanolamine
  • 2-(Diisopropylamino)ethanol
  • (Diisopropylamino)ethyl alcohol
  • Ethanol, 2-[bis(1-methylethyl)amino]-
  • Ethanol, 2-(diisopropylamino)-
  • Ethanol, diisopropylamino-
  • UN 2825
  • NSC 45475

External links