Question
GeneralGeneralGeneral

What is Ethanol 90% Used For?

Verified Answer

90% ethanol is used for laboratory work, scientific research, histology specimen preservation, DNA/RNA extraction, and industrial solvent applications.

Primary Applications:

Laboratory & Research:

  • DNA and RNA precipitation and extraction
  • Protein purification
  • Laboratory equipment cleaning
  • General solvent for experiments

Medical & Scientific:

  • Histology tissue preservation
  • Specimen storage
  • Cell culture applications
  • Microscopy slide preparation

Industrial:

  • Cleaning electronic components
  • Manufacturing processes
  • Solvent for chemical synthesis

Advantages Over Lower Concentrations:

  • More effective solvent
  • Faster evaporation
  • Less water contamination in sensitive applications

Importants Points:

  • Main uses: Laboratory research, DNA work, tissue preservation
  • Strength: Higher than disinfectants, lower than absolute ethanol
  • Fields: Scientific, medical, industrial