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Information @ a Glance

General Information

  • The pure isoprothiolane is a white crystalline solid, smells a offensive, Its melt point is from 54.5 to55, boiling point is between 167 and 169 at a pressure of 166.7Pa, its relative density is 1.044, and its vapour pressure at 25 is about 18.7MPa.
  • This chemical is ready to dissolve into some organic solvents including bonzol, alcohols and acetone.
  • This agriculture chemical is an internal absorption bactericide.


  • It is used for cultivation of rice plant because of its effect to brown planthoppers.
  • Iprobenfos and isoprothiolane have systemic action and are used mainly as granules for application on the surface of paddy water.
  • Isoprothiolane is one of fungicides for Blast disease and is also used as a dithiolane pesticide.
  • It has special good affect for rice neck blast, its effect for rice leaf blast is better than that of kitazine, and it is also suitable for curing rice shoots diseases and little coccus nueleus diseases.
  • If this chemical is applied for a large square field, it can kill some rice delphacid and Leafhopper, at the same time it has adjusting function to plant growing.


  • Isoprothiolane (di-isopropyl 1,3-dithiolane-2-ylidenemalonate) is a systemic thiolane fungicide and is registered for the control of rice blast in Taiwan.
  • Isoprothiolane, which has low adsorbability, was detected in many pond water and wastewater samples at golf courses.
  • Simazine that was detected in this study is designated as a substance of environmental quality standards for the human health, and diazinon, propyzamide, fenitrothion, isoprothiolane and isoxathion are designated as monitoring needed substances by the Ministry of Environment, Japan.

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