Prothiofos-Shandong Deshang Chemical

Prothiofos Supplier

Product Introduction:

Ingredient Content:Prothiofos 40%EC

Product Appearance:Pure form is white crystals; technical grade is tan powder with a characteristic odor.

Update Time:2025-08-19

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Product Introduction

Basic Information

Name: Prothiofos

Chemical Category: Organophosphorus Insecticide
Molecular Formula: C₁₁H₁₅BrClO₃PS₂
Molecular Weight: 424.7
CAS No.: 34643-46-4
Common Formulation: 40% Emulsifiable Concentrate (EC)

Product Overview

Cartap Hydrochloride is a broad-spectrum insecticide that acts by inhibiting acetylcholinesterase in pests' nervous systems. It combines contact toxicity, stomach poisoning, and systemic translocation to control Lepidoptera, Coleoptera, Hemiptera, and other pests. With rapid action and a residual efficacy of 5-10 days, it is widely used in rice, vegetables, fruits, and tea crops.

Technical Parameter Table

Item	Index/Description
Active Ingredient	Prothiofos
Content	40% Emulsifiable Concentrate (common formulation); other specifications customizable
Chemical Category	Organophosphorus Insecticide
CAS No.	34643-46-4
Molecular Formula	C₁₁H₁₅BrClO₃PS₂
Molecular Weight	424.7
Mode of Action	Inhibits cholinesterase, leading to poisoning and death of pests' nervous systems
Action Mode	Contact and stomach poisoning effects
Main Control Targets	Rice leaf roller, Chilo suppressalis, Scirpophaga incertulas, rice planthopper, leafhopper, aphid, diamondback moth, noctuid pests, etc.
Recommended Dosage	50–80 ml of 40% EC per mu, spray after diluting with water (refer to the label for details)
Pre-harvest Interval (PHI)	Over 14 days for rice
Toxicity	Moderate toxicity (poses certain risks to humans and livestock; protective measures required)
Environmental Impact	Toxic to fish and bees; avoid application in water source areas and during flowering periods
Packaging Specifications	200L/drum, 20L/drum, 5L/drum, 1L/bottle, 500ml/bottle, 250ml/bottle, 100ml/bottle, etc.; customizable

Chemical Properties

Appearance：Pure form is white crystals; technical grade is tan powder with a characteristic odor.
Solubility：Highly soluble in water (200g/L at 25℃), slightly soluble in methanol/ethanol, insoluble in acetone/ether.
Stability：Stable under acidic conditions, hydrolyzes in alkaline media; avoid mixing with alkaline pesticides.

Key Features

Broad-spectrum Efficacy：Controls stem borers, leaf folders, diamondback moths, leaf miners, and tea green leafhoppers.
Dual Mode of Action：Contact and stomach toxicity work synergistically, with ovicidal activity against early-stage pests.
Systemic Activity：Absorbed by plant tissues and translocated to target hidden pests (e.g., rice stem borers).
Eco-Friendly Profile：Low toxicity to natural enemies (e.g., spiders) but harmful to fish, bees, and silkworms.

Last:Cartap