Article · Wikipedia archive · Last revised May 31, 2026

Tridemorph

Tridemorph is a fungicide used to control Erysiphe graminis. It was developed by BASF in the 1960s who use the trade name Calixin. The World Health Organization has categorized it as a Class II "moderately hazardous" pesticide because it is believed harmful if swallowed and can cause irritation to skin and eyes.

Last revised
May 31, 2026
Read time
≈ 1 min
Length
175 w
Citations
2
Source
Wikipedia ↗
Tridemorph
source ↗
Names
Preferred IUPAC name
2,6-Dimethyl-4-tridecylmorpholine
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
EC Number
  • 246-347-3
KEGG
MeSH C015554
UNII
  • InChI=1S/C19H39NO/c1-4-5-6-7-8-9-10-11-12-13-14-15-20-16-18(2)21-19(3)17-20/h18-19H,4-17H2,1-3H3
    Key: YTOPFCCWCSOHFV-UHFFFAOYSA-N
  • CCCCCCCCCCCCCN1CC(OC(C1)C)C
Properties
C19H39NO
Molar mass 297.527 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Tridemorph is a fungicide used to control Erysiphe graminis. It was developed by BASF in the 1960s who use the trade name Calixin. The World Health Organization has categorized it as a Class II "moderately hazardous" pesticide because it is believed harmful if swallowed and can cause irritation to skin and eyes.1

One theory for the cause of the Hollinwell incident is that it might have been caused by inhalation of tridemorph.2

References

References

  1. "Tridemorph". Pesticides News. June 1999. Retrieved 24 August 2012.
  2. "New theory on 'mass hysteria'". BBC. 23 September 2003. Retrieved 17 August 2013.
External links
  • Tridemorph in the Pesticide Properties DataBase (PPDB)