Description

Edifenphos is a systemic organophosphorus fungicide known for its protective and curative action against a range of plant pathogens. Its primary value lies in its effectiveness in controlling diseases that threaten crop yield and quality, making it a critical tool in modern agricultural management. This product is essential for agricultural producers, agrochemical formulators, and research institutions focused on plant protection and fungicide development.

Application

• Rice Blast Control: Primarily used to prevent and treat rice blast disease (*Pyricularia oryzae*), a major threat to global rice production.
• Fungicide Formulations: Serves as a key active ingredient in the manufacture of emulsifiable concentrate (EC), wettable powder (WP), and other commercial fungicide formulations.
• Seed Treatment: Applied as a seed dressing to protect seedlings from soil-borne and seed-borne fungal infections during early growth stages.
• Foliar Spray Applications: Used in spray programs for the protection of various crops against foliar diseases, leveraging its systemic activity.
• Disease Resistance Management: Employed in integrated pest management (IPM) and fungicide rotation strategies to manage and delay the development of pathogen resistance.
• Agricultural Research: Used as a reference standard or active component in research studies concerning fungicide efficacy, environmental fate, and mode of action.

Basic Information

Product Name	Edifenphos
CAS No.	17109-49-8
Molecular Formula	C14H15O2PS2
Molecular Weight	310.37 g/mol
Synonyms	O-Ethyl S,S-diphenyl phosphorodithioate; Hinosan; EDDP; Bay 78418; S,S-Diphenyl O-ethyl phosphorodithioate; Phosphorodithioic acid, O-ethyl S,S-diphenyl ester
EINECS	241-178-1

Quality Control

Our Edifenphos is manufactured under a strict quality management system. Every batch is analyzed to ensure it meets high-purity standards, typically ≥95% technical grade, with specifications tailored to agricultural and formulation requirements. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee consistency and performance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place away from incompatible materials such as strong bases and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep the container tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acidity (as H2SO4)	≤ 0.5%
Relative Density (20°C)	1.20 - 1.25

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.