Description

Chlorbromuron is a selective, pre- and early post-emergence herbicide belonging to the phenylurea chemical class. It is valued for its effective control of a broad spectrum of annual broadleaf and grassy weeds in key agricultural crops. This product is essential for agronomists and formulators in the crop protection industry seeking reliable residual weed management solutions. Its specific mode of action inhibits photosynthesis, providing a crucial tool for integrated pest management programs.

Application

Chlorbromuron is primarily utilized as an active ingredient in agricultural herbicide formulations. Its key applications include:

• Selective Weed Control in Cereals: Pre- and post-emergence application in winter wheat, barley, and rye for protection against common weeds.
• Potato Crop Protection: Used in potato fields to manage competing weed flora without damaging the crop.
• Soybean and Legume Fields: Employed in leguminous crops for effective broadleaf weed suppression.
• Industrial Vegetation Management: Component in non-crop area herbicides for controlling unwanted vegetation along railways and fence lines.
• Formulation Intermediate: Serves as a key technical material for manufacturers producing wettable powders, suspension concentrates, and granular formulations.

Basic Information

Product Name	Chlorbromuron
CAS No.	13360-45-7
Molecular Formula	C9H10BrClN2O2
Molecular Weight	293.55 g/mol
Synonyms	3-(4-Bromo-3-chlorophenyl)-1-methoxy-1-methylurea; Maloran; C 6313; Chlorbromuron; Br chloroxynil; 1-Methoxy-1-methyl-3-(3-chloro-4-bromophenyl)urea; Chlorbromuron [ISO]; Chlorbromuron (BSI, ISO)
EINECS	236-439-6

Quality Control

Our Chlorbromuron is manufactured under a strict quality management system to ensure batch-to-batch consistency and efficacy. The product undergoes comprehensive analytical testing, including assay by HPLC, identification by IR spectroscopy, and analysis of key impurities and moisture content. A Certificate of Analysis (COA) detailing all test results against established specifications is provided with each shipment to guarantee compliance with industry and regulatory standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Store separately from strong acids, bases, and foodstuffs.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	94 - 97 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	≤ 1.0% total

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