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Herbicides

Linuron

Also known as 3-(3,4-Dichlorophenyl)-1-methoxy-1-methylurea, Afalon, Methoxydiuron

CAS 330-55-2Formula C9H10Cl2N2O2Molar mass 249.10 g/molEC 206-356-5
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 33 suppliers listed
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Linuron chemical structure, C9H10Cl2N2O2, CAS 330-55-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White crystalline solid
Melting point
93 to 94
Density
1.49 @ 20 °C
Solubility
In water, 75 mg/l @ 25 °C
HS code
292421
Category
Herbicides
UN number
UN 3077
Illustrative photo, colourless crystals in an open fibre drum in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Linuron?

Plain description, key identifiers and synonyms

Linuron is a member of the class of phenylureas that is N-methyl urea substituted by a methoxy group at position 1 and a 3,4-dichlorophenyl group at position 3. It has a role as a herbicide, an agrochemical, a xenobiotic and an environmental contaminant. It is a member of phenylureas and a dichlorobenzene. It is functionally related to a N-methyl urea.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-(3,4-dichlorophenyl)-1-methoxy-1-methylurea
CAS number
330-55-2 CAS number cross-checkedOther or deprecated CAS: 56645-87-5
EC number
206-356-5
Molecular formula
C9H10Cl2N2O2
UNII
01XP1SU59O
MDL number
MFCD00055249
InChIKey
XKJMBINCVNINCA-UHFFFAOYSA-N
InChI
InChI=1S/C9H10Cl2N2O2/c1-13(15-2)9(14)12-6-3-4-7(10)8(11)5-6/h3-5H,1-2H3,(H,12,14)
SMILES (canonical and isomeric)
CN(C(=O)NC1=CC(=C(C=C1)Cl)Cl)OC

Synonyms

  • 3-(3,4-Dichlorophenyl)-1-methoxy-1-methylurea
  • Afalon
  • Methoxydiuron
  • Cephalon
  • Aphalon
  • Linurex
  • Lorox
  • Afalon inuron
  • Herbicide 326
  • Garnitan
  • Linorox
  • Rotalin
  • Sarclex
  • Sinuron
  • Linex
  • Du Pont 326
  • Linex 4L
  • Malurane
  • Profalon
  • Laroks
  • Soilcid
  • Lorex
  • N'-(3,4-Dichlorophenyl)-N-methoxy-N-methylurea
  • Certroli-Lin
  • Dupont herbicide 326
Show all 39 synonyms
  • Lorox Weed Killer
  • du Pont Herbicide 326
  • Lorox linuron weed killer
  • Urea, N'-(3,4-dichlorophenyl)-N-methoxy-N-methyl-
  • Linuron (herbicide)
  • 3-(3,4-dichlorophenyl)-1-methoxy-1-methyl-urea
  • 1-Methoxy-1-methyl-3-(3,4-dichlorophenyl)urea
  • HOE 2810
  • Urea, 3-(3,4-dichlorophenyl)-1-methoxy-1-methyl-
  • Hoe 002810
  • Hoe 02 810
  • N-(3,4-Dichlorophenyl)-N'-methyl-N'-methoxyurea
  • 1-(3,4-Dichlorophenyl)3-methoxy-3-methyluree
  • 3-(3,4-Dichloor-fenyl)-1-methoxy-1-methylureum

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

Appearance
White crystalline solidexp.
Odour
ODORLESSexp.
Melting point
93 to 94exp.
Density
1.49 @ 20 °Cexp.
Solubility
In water, 75 mg/l @ 25 °Cexp.
Vapour pressure
1.43 × 10⁻⁶ mm Hg @ 25 °Cexp.

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
249.10 g/molcalc.
Exact mass
248.0119 Dacalc.
LogP (octanol/water)
3.02calc.
Topological polar surface area
41.57 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
15calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.22calc.
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
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H351Suspected of causing cancer.
  • H360DfMay damage the unborn child. Suspected of damaging fertility.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (13)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3077

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

Linuron suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 33 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

33 suppliers in 14 countries

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Linuron 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

Controls germinating and newly established broadleaf weeds in crops.

Herbicide. Pre- and post emergence control of annual grass and broad-leaved weeds, and some seedling perrenial weeds...

Use classes: Herbicides, Pesticides.

Pharmacological actions

  • Herbicides

Roles

  • agrochemical
  • environmental contaminant
  • herbicide
  • pesticide
  • xenobiotic

Functional uses

  • Biocide

How it is made

N,O-dimethylhydroxylamine + 3,4-dichlorophenyl isocyanate (isocycanate addition)

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 006-021-00-1

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Linuron (ISO), Ref no: 1059, Annex ref: II/1059

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Linuron 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 Linuron is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Linuron?

Linuron is a member of the class of phenylureas that is N-methyl urea substituted by a methoxy group at position 1 and a 3,4-dichlorophenyl group at position 3. It has a role as a herbicide, an agrochemical, a xenobiotic and an environmental contaminant. It is a member of phenylureas and a dichlorobenzene.

What is the CAS number of Linuron?

The CAS registry number of Linuron is 330-55-2. Other or deprecated CAS numbers: 56645-87-5.

What is the molecular formula and weight of Linuron?

The molecular formula of Linuron is C9H10Cl2N2O2 and its molar mass is 249.10 g/mol.

What is Linuron used for?

Controls germinating and newly established broadleaf weeds in crops. Herbicide. Pre- and post emergence control of annual grass and broad-leaved weeds, and some seedling perrenial weeds... Use classes: Herbicides, Pesticides.

Is Linuron hazardous?

Linuron carries the GHS signal word "Danger". Main hazards: harmful if swallowed, suspected of causing cancer, may damage the unborn child. suspected of damaging fertility. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Linuron?

Linuron 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 Linuron?

CompoundList lists 33 suppliers of Linuron in China, United States, Brazil, Hong Kong and 10 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Linuron?

Suppliers quote Linuron 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 Linuron

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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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