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Herbicides

Metazachlor

Also known as 2-chloro-N-(2,6-dimethylphenyl)-N-(pyrazol-1-ylmethyl)acetamide, 2-Chloro-N-(2,6-dimethylphenyl)-N-(1H-pyrazol-1-ylmethyl)acetamide, 2-Chloro-N-(pyrazol-1-ylmethyl)acet-2',6'-xylidide

CAS 67129-08-2Formula C14H16ClN3OMolar mass 277.76 g/molEC 266-583-0
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 18 suppliers listed
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Metazachlor chemical structure, C14H16ClN3O, CAS 67129-08-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
67129-08-2
Formula
C14H16ClN3O
Molar mass
277.76 g/mol
EC number
266-583-0
HS code
293319
Category
Herbicides

What is Metazachlor?

Plain description, key identifiers and synonyms

Metazachlor is an organochlorine compound that is 2-chloroacetamide substituted by a 2,6-dimethylphenyl and a (1H-pyrazol-1-ylmethyl) group at the nitrogen atom. It has a role as a herbicide, a xenobiotic and an environmental contaminant. It is a member of pyrazoles, an organochlorine compound and an aromatic amide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-chloro-N-(2,6-dimethylphenyl)-N-(pyrazol-1-ylmethyl)acetamide
CAS number
67129-08-2 CAS number cross-checked
EC number
266-583-0
Molecular formula
C14H16ClN3O
UNII
TPY2K437O4
MDL number
MFCD00055509
InChIKey
STEPQTYSZVCJPV-UHFFFAOYSA-N
InChI
InChI=1S/C14H16ClN3O/c1-11-5-3-6-12(2)14(11)18(13(19)9-15)10-17-8-4-7-16-17/h3-8H,9-10H2,1-2H3
SMILES (canonical and isomeric)
CC1=C(C(=CC=C1)C)N(CN2C=CC=N2)C(=O)CCl

Synonyms

  • 2-chloro-N-(2,6-dimethylphenyl)-N-(pyrazol-1-ylmethyl)acetamide
  • 2-Chloro-N-(2,6-dimethylphenyl)-N-(1H-pyrazol-1-ylmethyl)acetamide
  • 2-Chloro-N-(pyrazol-1-ylmethyl)acet-2',6'-xylidide
  • Butisan S
  • Metazachlore
  • N-((1H-Pyrazol-1-yl)methyl)-2-chloro-N-(2,6-dimethylphenyl)acetamide
  • BAS 479H
  • 2-Chloro-N-(2,6-dimethylphenyl)-N-[(1H-pyrazol-1-yl)methyl]acetamide
  • Acetamide, 2-chloro-N-(2,6-dimethylphenyl)-N-(1H-pyrazol-1-ylmethyl)-
  • 2-Chloro-N-(2,6-dimethylphenyl)-N-(1H-pyrazol-1-ylmethyl)-acetamide
  • Pree
  • Metazachlore [ISO-French]
  • Metazochlor
  • 5-23-04-00126 (Beilstein Handbook Reference)
  • US9138393, Metazachlor
  • US9144538, Metazachlor
  • Metazachlor solution in methanol
  • BAS 47900H
  • Metazachlor Solution in Acetonitrile
  • Metazachlor 100 |Ig/mL in Acetone
  • Metazachlor 100 microg/mL in Acetone
  • Metazachlor 100 |Ig/mL in Acetonitrile
  • Metazachlor 100 microg/mL in Acetonitrile
  • Metazachlor, PESTANAL(R), analytical standard
  • 2-chloro-2',6'-dimethyl-N-(pyrazol-1-yl-methyl)-acetanilide
Show all 26 synonyms
  • 2-Chloro-2',6'-dimethyl-N-(pyrazol-1-ylmethyl)acetanilide

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
277.76 g/molcalc.
Exact mass
277.0982 Dacalc.
LogP (octanol/water)
2.73calc.
Topological polar surface area
38.13 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
4calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.29calc.
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, c1ccc(NCn2cccn2)cc1

c1ccc(NCn2cccn2)cc1

2 rings, 13 atoms.

16 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
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H317May cause an allergic skin reaction.
  • H351Suspected of causing cancer.
  • 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.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Metazachlor suppliers

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

All 18 suppliers
18 of 18 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

18 suppliers in 7 countries

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Metazachlor price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Use classes: Herbicides, Pesticides.

Roles

  • environmental contaminant
  • herbicide
  • pesticide
  • xenobiotic

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 616-205-00-9

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Metazachlor (ISO), 2-chloro-N-(2,6-dimethylphenyl)-N-(1H-pyrazol-1-ylmethyl)acetamide, Ref no: 1552, Annex ref: II/1552

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2933.19Indicative HS code

Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the…

World exports in 2024
$3.44B
−22.6% vs 2023, imports $6.66B
2019 to 2024
Top exporters
  1. China21.6%
  2. Switzerland * partner reported20.5%
  3. Germany19.0%
Top importers
  1. Slovenia38.4%
  2. Portugal14.1%
  3. Brazil13.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Metazachlor?

Metazachlor is an organochlorine compound that is 2-chloroacetamide substituted by a 2,6-dimethylphenyl and a (1H-pyrazol-1-ylmethyl) group at the nitrogen atom. It has a role as a herbicide, a xenobiotic and an environmental contaminant. It is a member of pyrazoles, an organochlorine compound and an aromatic amide.

What is the CAS number of Metazachlor?

The CAS registry number of Metazachlor is 67129-08-2.

What is the molecular formula and weight of Metazachlor?

The molecular formula of Metazachlor is C14H16ClN3O and its molar mass is 277.76 g/mol.

What is Metazachlor used for?

Use classes: Herbicides, Pesticides.

Is Metazachlor hazardous?

Metazachlor carries the GHS signal word "Warning". Main hazards: may cause an allergic skin reaction, suspected of causing cancer, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Metazachlor?

Metazachlor is usually classified under HS code 293319 (Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Metazachlor?

CompoundList lists 18 suppliers of Metazachlor in China, France, Belgium, Czech Republic and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Metazachlor in India?

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

What is the price of Metazachlor?

Suppliers quote Metazachlor 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 Metazachlor

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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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