Edifenphos

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Structural formula
Structural formula of Edifenphos
General
Surname Edifenphos
other names
  • Ethyl S , S -diphenyldithiophosphate
  • Dithiophosphoric acid O- ethyl- S , S -diphenyl ester
  • EDDP
Molecular formula C 14 H 15 O 2 PS 2
Brief description

clear yellow to light brown liquid

External identifiers / databases
CAS number 17109-49-8
EC number 241-178-1
ECHA InfoCard 100.037.420
PubChem 28292
Wikidata Q15632710
properties
Molar mass 310.38 g mol −1
Physical state

liquid

density

1.23 g cm −3

Melting point

-25 ° C

Vapor pressure

negligibly small

solubility

practically insoluble in water (56 mg l −1 at 20 ° C)

safety instructions
GHS hazard labeling from  Regulation (EC) No. 1272/2008 (CLP) , expanded if necessary
06 - Toxic or very toxic 09 - Dangerous for the environment

danger

H and P phrases H: 301 + 311 + 331-317-410
P: 261-273-280-301 + 310-311-501
Toxicological data
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Edifenphos is a chemical compound from the group of thiophosphoric acid esters .

Edifenphos was introduced by Bayer in 1966 as a systemic, protective and curative fungicide .

Extraction and presentation

Edifenphos can be obtained by reacting thiophenol with ethyl phosphorus dichloridate ( ethanol + phosphorus oxychloride ).

use

The active ingredient inhibits the phosphatidyl synthesis . Under the trade name Hinosan it was used against the rice blight fungus ( Pyricularia oryzae ) and Corticium sasakii in rice cultivation.

Admission

No plant protection products containing this active ingredient are permitted in the EU or Switzerland .

Individual evidence

  1. a b Entry on Edifenphos. In: Römpp Online . Georg Thieme Verlag, accessed on January 6, 2015.
  2. a b c d e f g h Entry on Edifenphos in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
  3. Entry on Edifenphos in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
  4. ^ A b György Matolcsy, Miklós Nádasy, Viktor Andriska, Sándor Terényi: Pesticide chemistry . Elsevier, 1989, ISBN 978-0-444-98903-1 , pp. 306 ( limited preview in Google Book search).
  5. Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 351 ( limited preview in Google Book Search).
  6. General Directorate Health and Food Safety of the European Commission: Entry on Edifenphos in the EU pesticide database; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on March 26, 2016.