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Aromatic building blocks

Fenoprop-methyl

Also known as Methyl 2-(2,4,5-trichlorophenoxy)propanoate, Silvex methyl ester, Propanoic acid, 2-(2,4,5-trichlorophenoxy)-, methyl ester

CAS 4841-20-7Formula C10H9Cl3O3Molar mass 283.54 g/molEC 622-566-3
GHS signal word: Warning. Pictograms: Harmful or irritant
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Fenoprop-methyl chemical structure, C10H9Cl3O3, CAS 4841-20-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4841-20-7
Formula
C10H9Cl3O3
Molar mass
283.54 g/mol
EC number
622-566-3
HS code
291899
Category
Aromatic building blocks

What is Fenoprop-methyl?

Plain description, key identifiers and synonyms

Fenoprop-methyl is a chemical substance with the molecular formula C10H9Cl3O3 and a molar mass of 283.54 g/mol. Its CAS registry number is 4841-20-7. The IUPAC name is methyl 2-(2,4,5-trichlorophenoxy)propanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methyl 2-(2,4,5-trichlorophenoxy)propanoate
CAS number
4841-20-7Other or deprecated CAS: 23844-59-9
EC number
622-566-3
Molecular formula
C10H9Cl3O3
UNII
WJ875VJS7C
MDL number
MFCD00055246
InChIKey
YTAXYXOJOYIQQO-UHFFFAOYSA-N
InChI
InChI=1S/C10H9Cl3O3/c1-5(10(14)15-2)16-9-4-7(12)6(11)3-8(9)13/h3-5H,1-2H3
SMILES (canonical and isomeric)
CC(C(=O)OC)OC1=CC(=C(C=C1Cl)Cl)Cl

Synonyms

  • Methyl 2-(2,4,5-trichlorophenoxy)propanoate
  • Silvex methyl ester
  • Propanoic acid, 2-(2,4,5-trichlorophenoxy)-, methyl ester
  • Methyl 2-(2,4,5-trichlorophenoxy)propionate
  • Propionic acid, 2-(2,4,5-trichlorophenoxy)-, methyl ester
  • (+-)-Fenoprop methyl ester
  • Fenoprop-methyl ester
  • 2-(2,4,5-Trichlorophenoxy)propionic acid methyl ester
  • 2,4,5-TP methyl ester
  • Silvex, methyl ester
  • Fenoprop, methyl ester
  • 2,4,5-TP, methyl ester
  • C10H9Cl3O3
  • (+/-)-Fenoprop methyl ester
  • Silvex(R) methyl ester, ampule of 250 mg
  • Methyl2-(2,4,5-trichlorophenoxy)propanoate
  • Methyl 2-(2,4,5-trichlorophenoxy)propanoate #
  • Fenoprop-methyl ester 10 |Ig/mL in Ethyl acetate
  • Fenoprop-methyl ester 10 microg/mL in Ethyl acetate
  • 2,4,5-TP methyl ester, 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

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
283.54 g/molcalc.
Exact mass
281.9617 Dacalc.
LogP (octanol/water)
3.59calc.
Topological polar surface area
35.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
16calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.3calc.
Formal charge
0calc.
Stereocentres
1calc.
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.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (10)
  • 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.
  • P273Avoid release to the environment.
  • 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

Fenoprop-methyl suppliers

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

Frequently asked questions

Quick answers about Fenoprop-methyl, based on the data on this page

What is Fenoprop-methyl?

Fenoprop-methyl is a chemical substance with the molecular formula C10H9Cl3O3 and a molar mass of 283.54 g/mol. Its CAS registry number is 4841-20-7. The IUPAC name is methyl 2-(2,4,5-trichlorophenoxy)propanoate.

What is the CAS number of Fenoprop-methyl?

The CAS registry number of Fenoprop-methyl is 4841-20-7. Other or deprecated CAS numbers: 23844-59-9.

What is the molecular formula and weight of Fenoprop-methyl?

The molecular formula of Fenoprop-methyl is C10H9Cl3O3 and its molar mass is 283.54 g/mol.

What is Fenoprop-methyl used for?

Known uses and roles of Fenoprop-methyl include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Fenoprop-methyl hazardous?

Fenoprop-methyl carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes serious eye irritation, may cause long lasting harmful effects to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Fenoprop-methyl?

Fenoprop-methyl 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 Fenoprop-methyl?

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What is the price of Fenoprop-methyl?

Suppliers quote Fenoprop-methyl 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 Fenoprop-methyl

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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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