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Herbicides

Chlortoluron

Also known as Chlorotoluron, Dicuran, Tolurex

CAS 15545-48-9Formula C10H13ClN2OMolar mass 212.68 g/molEC 239-592-2
GHS signal word: Warning. Pictograms: Serious health hazard, Hazardous to the environment 12 suppliers listed
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Chlortoluron chemical structure, C10H13ClN2O, CAS 15545-48-9
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless crystals
Melting point
147 to 148
Density
140 g/cm³
Solubility
In water, 70 mg/L at 25 °C
HS code
292421
Category
Herbicides
Illustrative photo, colourless crystals beside an amber glass bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Chlortoluron?

Plain description, key identifiers and synonyms

Chlorotoluron is a member of the class of phenylureas that is urea in which one of the nitrogens is substituted by two methyl groups while the other is substituted by a 3-chloro-4-methylphenyl group. A herbicide that is non-toxic to honeybees but moderately toxic to mammals, birds, earthworms and most aquatic organisms. It has a role as a herbicide, an agrochemical, a xenobiotic and an environmental contaminant. It is a member of phenylureas and a member of monochlorobenzenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-(3-chloro-4-methylphenyl)-1,1-dimethylurea
CAS number
15545-48-9 CAS number cross-checked
EC number
239-592-2
Molecular formula
C10H13ClN2O
UNII
SUW8L8G38A
MDL number
MFCD00018275
InChIKey
JXCGFZXSOMJFOA-UHFFFAOYSA-N
InChI
InChI=1S/C10H13ClN2O/c1-7-4-5-8(6-9(7)11)12-10(14)13(2)3/h4-6H,1-3H3,(H,12,14)
SMILES (canonical and isomeric)
CC1=C(C=C(C=C1)NC(=O)N(C)C)Cl

Synonyms

  • Chlorotoluron
  • Dicuran
  • Tolurex
  • 3-(3-Chloro-4-methylphenyl)-1,1-dimethylurea
  • Clortokem
  • Dikurin
  • 3-(3-Chloro-p-tolyl)-1,1-dimethylurea
  • N'-(3-Chloro-4-methylphenyl)-N,N-dimethylurea
  • Urea, N'-(3-chloro-4-methylphenyl)-N,N-dimethyl-
  • N-(3-Chloro-4-methylphenyl)-N',N'-dimethylurea
  • CGA 15646
  • N,N-Dimethyl-N'-(3-chloro-4-methylphenyl)urea
  • Urea, 3-(3-chloro-p-tolyl)-1,1-dimethyl-
  • 3-(3-Chloro-4-methylphenyl)-1,1-dimethyl-urea
  • 1-(3-chloro-4-methylphenyl)-3,3-dimethylurea
  • Chlortoluron solution
  • 3-(3-Chlor-4-methylphenyl)-1,1-dimethylharnstoff
  • Highuron
  • Dicuran 500FL
  • Lentipur(R)
  • Chlortoluron standard solution
  • 3-(3-chloro-4-methyl-phenyl)-1,1-dimethyl-urea
  • 4-12-00-01986 (Beilstein Handbook Reference)
  • DivK1c_001775
  • Chlorotoluron 10 |Ig/mL in Acetonitrile
Show all 30 synonyms
  • Chlorotoluron 100 |Ig/mL in Acetonitrile
  • Chlorotoluron 10 microg/mL in Acetonitrile
  • Chlorotoluron 100 microg/mL in Acetonitrile
  • 1,1-Dimethyl-3-(3-chloro-4-methylbenzene)urea
  • Chlortoluron, PESTANAL(R), analytical standard

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
Colorless crystalsexp.
Odour
ODORLESSexp.
Melting point
147 to 148exp.
Density
140 g/cm³exp.
Solubility
In water, 70 mg/L at 25 °Cexp.
Vapour pressure
3.6 × 10⁻⁸ MM HG @ 20 °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
212.68 g/molcalc.
Exact mass
212.0716 Dacalc.
LogP (octanol/water)
2.74calc.
Topological polar surface area
32.34 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
14calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.3calc.
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
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H351Suspected of causing cancer.
  • H361dSuspected of damaging the unborn child.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (7)
  • P203Obtain, read and follow all safety instructions before use.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • P391Collect spillage.
  • P405Store locked up.
  • 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

Chlortoluron suppliers

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

All 12 suppliers
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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

12 suppliers in 6 countries

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Chlortoluron 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

Herbicide.

Selective herbicide, absorbed by the roots and foliage. Inhibits photosynthesis. Effective both as a residual soil-acting herbicide and a contact foliar-spray against many broad-leaved and grass weeds of winter cereals, especially against Alopecurus myosuroides.

Use classes: Pharmaceuticals, Herbicides, Pesticides.

Pharmacological actions

  • Herbicides

Roles

  • agrochemical
  • environmental contaminant
  • herbicide
  • pesticide
  • xenobiotic

How it is made

Produced by the action of 3-chloro-p-tolyl isocyanate with dimethylamine...

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 616-105-00-5

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Chlorotoluron, (3-(3-Chloro-p-tolyl)-1,1-dimethylurea), Ref no: 1200, Annex ref: II/1200

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 Chlortoluron 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 Chlortoluron is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Chlortoluron?

Chlorotoluron is a member of the class of phenylureas that is urea in which one of the nitrogens is substituted by two methyl groups while the other is substituted by a 3-chloro-4-methylphenyl group. A herbicide that is non-toxic to honeybees but moderately toxic to mammals, birds, earthworms and most aquatic organisms.

What is the CAS number of Chlortoluron?

The CAS registry number of Chlortoluron is 15545-48-9.

What is the molecular formula and weight of Chlortoluron?

The molecular formula of Chlortoluron is C10H13ClN2O and its molar mass is 212.68 g/mol.

What is Chlortoluron used for?

Herbicide. Selective herbicide, absorbed by the roots and foliage. Inhibits photosynthesis. Effective both as a residual soil-acting herbicide and a contact foliar-spray against many broad-leaved and grass weeds of winter cereals, especially against Alopecurus myosuroides.

Is Chlortoluron hazardous?

Chlortoluron carries the GHS signal word "Warning". Main hazards: suspected of causing cancer, suspected of damaging the unborn child, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Chlortoluron?

Chlortoluron 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 Chlortoluron?

CompoundList lists 12 suppliers of Chlortoluron in China, France, Czech Republic, Greece and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Chlortoluron in India?

1 supplier in India list Chlortoluron on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Chlortoluron?

Suppliers quote Chlortoluron 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 Chlortoluron

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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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