3060-89-7

Basic information

• Product Name: Metobromuron
• Synonyms: 3-(4-Bromphenyl)-1-methoxyharnstoff;3-(p-bromophenyl)-1-methoxy-1-methyl-ure;C 3126;c-3126;Metbromuron;monobromuron;n-(4-bromophenyl)-n’-methyl-n’-methoxy-harnstoff;n’-(4-bromophenyl)-n-methoxy-n-methyl-ure
• CAS NO: 3060-89-7
• Molecular Formula: C₉H₁₁BrN₂O₂
• Molecular Weight: 259.1
• EINECS: 221-301-5
• Mol File: 3060-89-7.mol
• Article Data: 6

Chemical Properties

• Melting Point: 95-96°
• Boiling Point: °Cat760mmHg
• Flash Point: 2 °C
• Appearance: White to brown powder
• Density: 1.6027 (rough estimate)
• Refractive Index: 1.6070 (estimate)
• Storage Temp.: APPROX 4°C
• PKA: 12.80±0.70(Predicted)
• Water Solubility: 333.8mg/L(20 oC)
• BRN: 2103964
• CAS DataBase Reference: Metobromuron(CAS DataBase Reference)
• NIST Chemistry Reference: Metobromuron(3060-89-7)
• EPA Substance Registry System: Metobromuron(3060-89-7)

Safety Data

• Hazard Codes: Xn,F
• Statements: 22-36-20/21/22-11-20/22
• Safety Statements: 16-26-36
• RIDADR: UN 1648 3/PG 2
• WGK Germany: 2
• RTECS: YS3325000
• Hazardous Substances Data: 3060-89-7(Hazardous Substances Data)

Usage

Chemical Properties

Different sources of media describe the Chemical Properties of 3060-89-7 differently. You can refer to the following data:
1. Colorless crystals. Soluble inalcohols; slightly soluble in water.
2. White crystalline solid or powder. Commercial product may be dissolved in a flammable hydrocarbon carrier.

Uses

Metobromuron is a preemergence herbicide.

Agricultural Uses

Herbicide: Pre-emergence herbicide. Used against grasses and broadleaf weed control on flax, groundnuts, potatoes, beans, soybeans, sunflowers, tomatoes, and tobacco. Pending for use in EU countries. Not registered for use in the U.S. There are 24 global suppliers.

Trade name

C-3126?; CIBA 3126?; PATORAN?; PATTONEX?

Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. An eye irritant. When heated to decomposition it emits toxic fumes of Brí and NOx

Potential Exposure

Preemergence substituted urea herbicide used to control grasses and broadleaf weeds on flax, groundnuts, potatoes, beans, soybeans, sunflowers, tomatoes, and tobacco.

Shipping

UN3021 Pesticides, liquid, flammable, toxic, flash point ,23 C, Hazard Class: 3; Labels: 3-Flammable liquid, 6.1-Poisonous materials. Technical Name Required. UN2767 Phenyl urea pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

Incompatibilities

This organic bromine compound may react with strong oxidizers such as chlorates, peroxides, nitrates, permanganates, perchlorates, chlorine, fluorine, etc. Keep away from strong acids.

Waste Disposal

Hydrolysis is not recommended as a disposal procedure because of the generation of the toxic products, 3,4-dichloroaniline and dimethylamine. Incinerate in a unit with effluent gas scrubbing. Containers must be disposed of properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

InChI:InChI=1/C9H11BrN2O2/c1-12(14-2)9(13)11-8-5-3-7(10)4-6-8/h3-6H,1-2H3,(H,11,13)

Upstream product

• 2493-02-9 4-bromophenyl isocyanate 
• 77-78-1 dimethyl sulfate 
• 1576-17-6 N-methoxy-N-methyl-N'-phenylurea 

Downstream Products

• 62-53-3 aniline 
• 74-89-5 methylamine 
• 1576-17-6 N-methoxy-N-methyl-N'-phenylurea 

Relevant articles and documents

Preparation method of phenylurea herbicides

The invention relates to a preparation method of phenylurea herbicides. The method comprises the following steps of (1) adding hydroxylamine salts into water; then, adding alkali so that the PH value of the reaction solution is 7 to 8; then, adding solvents; dripping 4-bromophenyl isocyanate at 5 to 20 DEG C; after the dripping is completed, performing heat insulation reaction; maintaining the weight content of the 4-bromophenyl isocyanate to be lower than 0.5 percent through HPLC (high performance liquid chromatography) central control; performing filtering to obtain solids; (2) adding the prepared solids into the water; adding alkali to regulate the pH value of the reaction solution to be 8 to 10; dripping dimethyl sulfate at 20 to 25 DEG C; meanwhile, adding alkali to control the pH value of the solution to be 8 to 10; after the dimethyl sulfate is completely dripped, performing heat insulation reaction; maintaining the weight content of 3-(4-bromophenyl)-1-hydroxycarbamide to be lower than 0.5 percent through HPLC central control to reach the reaction completion; performing filtering; obtaining a filter cake, wherein the filter cake is a finished product 3-(4-bromophenyl)-1-methoxyl-1-methylurea. The preparation method has the advantage that no 2-site bromization by-products are generated.

Herbicidal composition for upland farming and weeding method

A herbicidal composition for upland farming which can control weeds that have been difficult to control, for example, cleavers, chickweed, birdseye speedwell and violet, said composition containing as active ingredients a 3-substituted phenylpyrazole derivative represented by the general formula (I): STR1 (wherein R is a hydrogen atom, a C1-6 alkyl group, a C3-6 cycloalkyl group, a C1-6 haloalkyl group, a C2-6 alkenyl group or a C2-6 alkynyl group, R1 is a C1-6 alkyl group, X1 and X2, which may be the same or different, are halogen atoms, and Y is an oxygen atom or a sulfur atom) and at least one compound selected from the group consisting of sulfonylurea derivatives, phenylurea derivatives and phenoxy fatty acid derivatives; and a weeding method using said composition.

Plant-protective pesticidal composition

The invention relates to a plant-protective solution containing 2.5 to 40 % by weight of one or more water-insoluble plant-protective ingredient(s) 20 to 71.5 % by weight of dimethylformamide and/or dimethylsulfoxide and/or acetone as water-miscible solvent, 10 to 71.5 % by weight of furfurol and/or furfuryl alcohol as partially water-miscible solvent, 1 to 15 % by weight of commonly used additives such as anionic and/or nonionic surface active agents and macromolecules. The invention also relates to the ready-for-use plant-protective suspension containing 0.2 to 10 % by weight of one or more water-insoluble plant-protective ingredient(s) with a particle size of 0.1 to 50 μm, 0 to 60 % by weight of a fertilizer, 0.2 to 10 % by weight of dimethylformamide and/or dimethylsulfoxide and/or acetone as water-miscible solvent, 0.2 to 10 % by weight of furfurol and/or furfuryl alcohol as partially water-miscible solvent, 0.05 to 2.5 by weight of a commonly used additive such as anionic and/or nonionic surface active agents macromolecules and water in an amount supplementing up to 100 % by weight.