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CAS number 60168-88-9
PubChem 43226
Jmol-3D images Image 1
Molecular formula C17H12Cl2N2O
Molar mass 331.20 g mol−1
Appearance Colorless powder with aromatic odour
Melting point 117 - 119 °C [1]
Boiling point 240 °C (Decomposition)[1]
Solubility in water 13.7 mg · l-1 at 25 °C
Solubility soluble in acetone, xylene and methanol[1]
Vapor pressure 65 μ Pa (25 °C)[1]
LD50 >2000 mg·kg−1 (oral, Ratte)[1]
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Fenarimol, sold under the tradenames Bloc, Rimidin and Rubigan, is a fungicide which acts against rusts, blackspot and mildew fungi. It is used on ornamental plants, trees, lawns, tomatoes, peppers, eggplants, cucumbers and melons. It is mainly used to control powdery mildew. It works by inhibiting the fungus's biosynthesis of important steroid molecules.[2]


Fenarimol was developed by Eli Lilly & Company around 1971.[3]

Health Risk

Fenarimol can lead to increased growth of MCF7 breast cancer cells.[4]


Fenarimol is made by the reaction of a diarylketon with an organolithium derived by halogen-metal exchange.[2]


External Links[edit]


  1. ^ a b c d e EU-Data.
  2. ^ a b Organic chemistry (Reprinted (with corrections) ed.). Oxford [u.a.]: Oxford Univ. Press. 2005. p. 216. ISBN 978-0-19-850346-0. 
  3. ^ GB 1218623  "Substituted-5-pyrimidine compounds "
  4. ^ Vinggaard, Anne Marie; Breinholt, Vibeke; Larsen, John Christian (1 December 1999). "Screening of selected pesticides for oestrogen receptor activation in vitro". Food Additives and Contaminants 16 (12): 533–542. doi:10.1080/026520399283678.