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Aromatic building blocks

Monomethyldiuron

Also known as 1-(3,4-Dichlorophenyl)-3-methylurea, N-Demethoxylinuron, N-(3,4-Dichlorophenyl)-N'-methylurea

CAS 3567-62-2Formula C8H8Cl2N2OMolar mass 219.07 g/molEC 622-767-6
GHS signal word: Warning. Pictograms: Harmful or irritant
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Monomethyldiuron chemical structure, C8H8Cl2N2O, CAS 3567-62-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3567-62-2
Formula
C8H8Cl2N2O
Molar mass
219.07 g/mol
EC number
622-767-6
HS code
292421
Category
Aromatic building blocks

What is Monomethyldiuron?

Plain description, key identifiers and synonyms

Diuron-desmethyl is a member of the class of phenylureas that is urea in which a hydrogens attached to one nitrogen is substituted by a methyl group, and one of the hydrogens attached to the other nitrogen is substituted by a 3,4-dichlorophenyl group. It is a metabolite of diuron. It has a role as a marine xenobiotic metabolite. It is a member of phenylureas, an a 1-methyl-3-phenylurea and a dichlorobenzene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(3,4-dichlorophenyl)-3-methylurea
CAS number
3567-62-2 CAS number cross-checked
EC number
622-767-6
Molecular formula
C8H8Cl2N2O
UNII
Z19W74Z2N4
MDL number
MFCD00088374
InChIKey
IDQHRQQSSQDLTR-UHFFFAOYSA-N
InChI
InChI=1S/C8H8Cl2N2O/c1-11-8(13)12-5-2-3-6(9)7(10)4-5/h2-4H,1H3,(H2,11,12,13)
SMILES (canonical and isomeric)
CNC(=O)NC1=CC(=C(C=C1)Cl)Cl

Synonyms

  • 1-(3,4-Dichlorophenyl)-3-methylurea
  • N-Demethoxylinuron
  • N-(3,4-Dichlorophenyl)-N'-methylurea
  • diuron-desmethyl
  • Urea, N-(3,4-dichlorophenyl)-N'-methyl-
  • N-Methyl-N'-(3,4-dichlorophenyl)urea
  • 3,4-DCPMU
  • N-methyl-N'-(3',4'-dichlorophenyl)-urea
  • Urea, 1-(3,4-dichlorophenyl)-3-methyl-(6CI,7CI,8CI)
  • N-Demethoxy Linuron
  • Dcpmu
  • 1-(3,4-dichlorophenyl)-3-methyl urea
  • 3-(3,4-Dichlorophenyl)-1-methylurea
  • 1-Methyl-3-(3,4-dichlorophenyl)urea
  • Urea, 1-(3,4-dichlorophenyl)-3-methyl-
  • N-Demethoxylinuron-13C6
  • Demethyldiuron
  • Desmethyldiuron
  • Desmethoxy-linuron
  • diuron TP1
  • Diuron-desmonomethyl
  • 3-(3,4-Dichlorophenyl)-1-
  • 1-(3,4-dichlorophenyl)-3-methyl-ure
  • 1-(3,4-dichlorophenyl)-3-methyl-urea
  • N-methyl-N'-(3,4-dichlorophenyl)-urea
Show all 30 synonyms
  • N'-(3,4-Dichlorophenyl)-N-methylurea
  • N-(3,4-dichlorophenyl)(methylamino)carboxamide
  • N-Demethoxy Linuron Solution in Acetonitrile, 1000_g/mL
  • 1-(3,4-Dichlorophenyl)-3-methylurea 100 |Ig/mL in Acetonitrile
  • 1-(3,4-Dichlorophenyl)-3-methylurea 100 microg/mL in Acetonitrile

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
219.07 g/molcalc.
Exact mass
218.0014 Dacalc.
LogP (octanol/water)
2.74calc.
Topological polar surface area
41.13 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
13calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P330Rinse mouth.
  • P337 + P317If eye irritation persists: Get medical help.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Monomethyldiuron suppliers

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Monomethyldiuron price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Use classes: Pesticides, Pesticide transformation products.

Roles

  • marine metabolite
  • marine xenobiotic metabolite
  • metabolite
  • xenobiotic metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Monomethyldiuron is traded under.

HS 2924.21Indicative HS code

Ureines and their derivatives, salts thereof

World exports in 2024
$149M
+12.5% vs 2023, imports $208M
2019 to 2024
Top exporters
  1. Germany25.4%
  2. China14.4%
  3. Israel12.0%
Top importers
  1. Brazil28.2%
  2. United States14.0%
  3. Japan10.0%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Monomethyldiuron is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Monomethyldiuron, based on the data on this page

What is Monomethyldiuron?

Diuron-desmethyl is a member of the class of phenylureas that is urea in which a hydrogens attached to one nitrogen is substituted by a methyl group, and one of the hydrogens attached to the other nitrogen is substituted by a 3,4-dichlorophenyl group. It is a metabolite of diuron.

What is the CAS number of Monomethyldiuron?

The CAS registry number of Monomethyldiuron is 3567-62-2.

What is the molecular formula and weight of Monomethyldiuron?

The molecular formula of Monomethyldiuron is C8H8Cl2N2O and its molar mass is 219.07 g/mol.

What is Monomethyldiuron used for?

Use classes: Pesticides, Pesticide transformation products.

Is Monomethyldiuron hazardous?

Monomethyldiuron carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Monomethyldiuron?

Monomethyldiuron is usually classified under HS code 292421 (Ureines and their derivatives, salts thereof). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Monomethyldiuron?

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What is the price of Monomethyldiuron?

Suppliers quote Monomethyldiuron on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Monomethyldiuron

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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