Description

Endothion is a selective organophosphate insecticide and acaricide known for its systemic action. This compound is valued for its effectiveness in controlling a range of sucking and chewing pests by inhibiting acetylcholinesterase. It is primarily utilized in agricultural and horticultural sectors for crop protection. Our supply of Endothion CAS NO 2778-04-3 ensures high purity and reliable performance for professional formulations.

Application

• Agricultural Insecticide: Systemic control of aphids, mites, and other sucking pests on various crops including fruits, vegetables, and ornamentals.
• Horticultural Protection: Used in greenhouse and nursery settings for managing pest infestations on delicate plants.
• Public Health Pest Control: Formulated for use in targeted vector control programs.
• Research & Development: Serves as a reference standard and active ingredient for developing new agrochemical formulations and efficacy studies.
• Technical Grade Material: Supplied as a high-purity intermediate for the manufacturing of commercial pesticide products.

Basic Information

Product Name	Endothion
CAS No.	2778-04-3
Molecular Formula	C9H13O6PS
Molecular Weight	280.23 g/mol
Synonyms	S-(5-Methoxy-4-oxo-4H-pyran-2-yl)methyl O,O-dimethyl phosphorothioate; Endocide; Phosphorothioic acid, S-[(5-methoxy-4-oxo-4H-pyran-2-yl)methyl] O,O-dimethyl ester; AC 18737; ENT 24689; NIA 18737; S-2,3-Dihydro-5-methoxy-2-oxo-1,4-oxathiin-3-ylmethyl O,O-dimethyl phosphorothioate
EINECS	220-500-6

Quality Control

Our Endothion is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. We adhere to relevant agricultural chemical standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee product integrity for your formulations and research.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong alkalis and incompatible materials. Ensure containers are kept upright to prevent leakage.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Contact for details

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