Edifenphos

Edifenphos (O-ethyl-S,S-diphenyldithiophosphate, EDDP) is a systemic fungicide that inhibits phosphatidylcholine biosynthesis.^[2][3] It was introduced in 1966 by Bayer to combat blast fungus and Pellicularia sasakii in rice cultivation.^[3] It was never authorized for use in the EU.^[4]

Edifenphos

Names
Preferred IUPAC name O-Ethyl S,S-diphenyl phosphorodithioate
Other names O-Ethyl-S,S-diphenyldithiophosphate; EDDP
Identifiers
CAS Number	17109-49-8
3D model (JSmol)	Interactive image
ChEBI	CHEBI:34735
ChEMBL	ChEMBL1671900
ChemSpider	26320
ECHA InfoCard	100.037.420
KEGG	C14436
PubChem CID	28292
UNII	770M9U0F8Q
CompTox Dashboard (EPA)	DTXSID7041910
InChI InChI=1S/C14H15O2PS2/c1-2-16-17(15,18-13-9-5-3-6-10-13)19-14-11-7-4-8-12-14/h3-12H,2H2,1H3 Key: AWZOLILCOUMRDG-UHFFFAOYSA-N
SMILES CCOP(=O)(Sc1ccccc1)Sc2ccccc2
Properties
Chemical formula	C14H15O2PS2
Molar mass	310.37 g·mol−1
Density	1.23  g/cm3[1]
Melting point	−25 °C (−13 °F; 248 K)[1]
Solubility in water	56 mg/L (20 °C)[1]
Hazards
GHS labelling:
Pictograms	[1]
Signal word	Danger
Hazard statements	H301, H311, H317, H331, H410[1]
Precautionary statements	P261, P273, P280, P301+P310, P311, P501[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references