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Aromatic building blocks

MCPA methyl ester

Also known as MCPA-methyl, (4-Chloro-2-methylphenoxy)acetic Acid Methyl Ester, Phenoxyacetic acid, 4-chloro-2-methyl, methyl ester

CAS 2436-73-9Formula C10H11ClO3Molar mass 214.65 g/molEC 219-430-7
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 1 supplier listed
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MCPA methyl ester chemical structure, C10H11ClO3, CAS 2436-73-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2436-73-9
Formula
C10H11ClO3
Molar mass
214.65 g/mol
EC number
219-430-7
HS code
291899
Category
Aromatic building blocks

What is MCPA methyl ester?

Plain description, key identifiers and synonyms

MCPA methyl ester is a chemical substance with the molecular formula C10H11ClO3 and a molar mass of 214.65 g/mol. Its CAS registry number is 2436-73-9. The IUPAC name is methyl 2-(4-chloro-2-methylphenoxy)acetate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methyl 2-(4-chloro-2-methylphenoxy)acetate
CAS number
2436-73-9 CAS number cross-checked
EC number
219-430-7
Molecular formula
C10H11ClO3
UNII
CM4042HZ0O
MDL number
MFCD00055259
InChIKey
VWERIRLJUWTNDA-UHFFFAOYSA-N
InChI
InChI=1S/C10H11ClO3/c1-7-5-8(11)3-4-9(7)14-6-10(12)13-2/h3-5H,6H2,1-2H3
SMILES (canonical and isomeric)
CC1=C(C=CC(=C1)Cl)OCC(=O)OC

Synonyms

  • MCPA-methyl
  • (4-Chloro-2-methylphenoxy)acetic Acid Methyl Ester
  • Phenoxyacetic acid, 4-chloro-2-methyl, methyl ester
  • Acetic acid, 2-(4-chloro-2-methylphenoxy)-, methyl ester
  • methyl 2-(4-chloro-2-methylphenoxy)acetate
  • Methyl 4-chloro-2-methylphenoxyacetate
  • Acetic acid, (4-chloro-2-methylphenoxy)-, methyl ester
  • MCPA-methyl ester
  • Methyl (4-chloro-2-methylphenoxy)acetate
  • 2-Methyl-4-chlorophenoxyacetic acid methyl ester
  • Acetic acid, ((4-chloro-o-tolyl)oxy)-, methyl ester
  • Acetic acid, [(4-chloro-o-tolyl)oxy]-, methyl ester
  • MCPA methyl ester, PESTANAL(R), analytical standard
  • methyl2-(4-chloro-2-methylphenoxy)acetate
  • methyl 2-(4-chloro-2-methyl-phenoxy)acetate
  • MCPA-methyl ester Solution in Acetonitrile, 100_g/mL

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
214.65 g/molcalc.
Exact mass
214.0397 Dacalc.
LogP (octanol/water)
2.2calc.
Topological polar surface area
35.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
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
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (15)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • 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

MCPA methyl ester suppliers

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Where suppliers are based

1 supplier in 0 countries

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MCPA methyl ester 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

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 MCPA methyl ester is traded under.

HS 2918.99Indicative HS code

Carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone)…

World exports in 2024
$1.46B
−1.1% vs 2023, imports $1.54B
2019 to 2024
Top exporters
  1. China40.0%
  2. India * partner reported26.6%
  3. Germany8.0%
Top importers
  1. United States25.6%
  2. Brazil6.7%
  3. Argentina5.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about MCPA methyl ester, based on the data on this page

What is MCPA methyl ester?

MCPA methyl ester is a chemical substance with the molecular formula C10H11ClO3 and a molar mass of 214.65 g/mol. Its CAS registry number is 2436-73-9. The IUPAC name is methyl 2-(4-chloro-2-methylphenoxy)acetate.

What is the CAS number of MCPA methyl ester?

The CAS registry number of MCPA methyl ester is 2436-73-9.

What is the molecular formula and weight of MCPA methyl ester?

The molecular formula of MCPA methyl ester is C10H11ClO3 and its molar mass is 214.65 g/mol.

What is MCPA methyl ester used for?

Known uses and roles of MCPA methyl ester include building blocks in research and laboratory and screening compounds in research and laboratory.

Is MCPA methyl ester hazardous?

MCPA methyl ester carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of MCPA methyl ester?

MCPA methyl ester is usually classified under HS code 291899 (Carboxylic acids with additional oxygen function and their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy MCPA methyl ester?

CompoundList lists 1 supplier of MCPA methyl ester. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of MCPA methyl ester?

Suppliers quote MCPA methyl ester 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

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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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