4-Ethoxy-1,1,1-trifluoro-3-buten-2-one (ETFBO) is a fluorinated building block used in the synthesis of pharmaceutical and agrochemicals active ingredients.
About 30 percent of all newly developed medicines and about 50 percent of crop protection innovative products contain fluorine.

Key Advantages 
  • ETFBO, with multiple reactivity centers, is a versatile blockbuster to succeed in new syntheses 
  • The products containing ETFBO permeate plant cells easier, increasing the efficiency and reducing the dosage of the active ingredients
  • ETFBO, with pre-determine breaking point easily attackable by soil organisms, assure active ingredient decomposition for a better environmental profile 

Key features 
  • Colorless liquid
  • C6H7F3O2
  • Purity : min. 98.0%
  • Melting Point : -30°C


  • CAS number
  • Global Business Unit
    Special Chem
  • Synonyms


Segments Applications
Crop Protection Active
Segments Applications
Pharmaceuticals Active

Chemical categories

Chemical category Chemical family Chemical product
Fluorine derivatives Fluorinated Chemicals 4-Ethoxy-1,1,1-trifluoro-3-buten-2-one

Region of commercial availability

  • Asia / Pacific
  • Europe / Middle East / Africa
  • North America
  • Latin America

Download documentation for 4-Ethoxy-1,1,1-trifluoro-3-buten-2-one (ETFBO)