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Fungicides

Fludioxonil

Also known as 4-(2,2-Difluoro-1,3-benzodioxol-4-yl)-1H-pyrrole-3-carbonitrile, Scholar, 1H-Pyrrole-3-carbonitrile, 4-(2,2-difluoro-1,3-benzodioxol-4-yl)-

CAS 131341-86-1Formula C12H6F2N2O2Molar mass 248.19 g/molEC 603-476-3
GHS signal word: Warning. Pictograms: Hazardous to the environment 90 suppliers listed
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Fludioxonil chemical structure, C12H6F2N2O2, CAS 131341-86-1
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless crystals
Melting point
199.8 °C
Density
1.54 at 20 °C
Solubility
In water, 1.8 mg/L at 25 °C
HS code
293499
Category
Fungicides
Illustrative photo, colourless crystals in an open woven sack in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Fludioxonil?

Plain description, key identifiers and synonyms

Fludioxonil is a member of the class of benzodioxoles that is 2,2-difluoro-1,3-benzodioxole substituted at position 4 by a 3-cyanopyrrol-4-yl group. A fungicide seed treatment for control of a range of diseases including Fusarium, Rhizoctonia and Alternaria. It has a role as an androgen antagonist, an estrogen receptor agonist and an antifungal agrochemical. It is a nitrile, a member of pyrroles, an organofluorine compound and a member of benzodioxoles.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(2,2-difluoro-1,3-benzodioxol-4-yl)-1H-pyrrole-3-carbonitrile
CAS number
131341-86-1 CAS number cross-checked
EC number
603-476-3
Molecular formula
C12H6F2N2O2
UNII
ENS9J0YM16
MDL number
MFCD01631158
InChIKey
MUJOIMFVNIBMKC-UHFFFAOYSA-N
InChI
InChI=1S/C12H6F2N2O2/c13-12(14)17-10-3-1-2-8(11(10)18-12)9-6-16-5-7(9)4-15/h1-3,5-6,16H
SMILES (canonical and isomeric)
C1=CC(=C2C(=C1)OC(O2)(F)F)C3=CNC=C3C#N

Synonyms

  • 4-(2,2-Difluoro-1,3-benzodioxol-4-yl)-1H-pyrrole-3-carbonitrile
  • Scholar
  • 1H-Pyrrole-3-carbonitrile, 4-(2,2-difluoro-1,3-benzodioxol-4-yl)-
  • Maxim
  • Celest
  • 4-(2,2-difluoro-2H-1,3-benzodioxol-4-yl)-1H-pyrrole-3-carbonitrile
  • Medallion
  • 3-(2,2-Difluorobenzodioxol-4-yl)-4-cyanopyrrole
  • fludioxonil (ISO), 4-(2,2-difluoro-1,3-benzodioxol-4-yl)-1H-pyrrole-3-carbonitrile
  • 4-(2,2-Difluorobenzo[d][1,3]dioxol-4-yl)-1H-pyrrole-3-carbonitrile
  • Savior
  • Geoxe
  • Fludioxinil
  • Fludioxonil 100 microg/mL in Acetonitrile
  • Fludioxonil 10 |Ig/mL in Acetone
  • Fludioxonil 10 microg/mL in Acetone
  • Fludioxonil 10 |Ig/mL in Acetonitrile
  • Fludioxonil 100 |Ig/mL in Acetonitrile
  • Fludioxonil 10 microg/mL in Acetonitrile
  • Fludioxonil, PESTANAL(R), analytical standard
  • Fludioxonil, certified reference material, TraceCERT(R)
  • 4-(2,2-Difluoro-1,3-benzdioxol-4-yl)-1H-pyrrole-3-carbonitrile
  • 4-(2\,2-Difluoro-1\,3-benzodioxol-4-yl)-1H-pyrrole-3-carbonitrile
  • 4-(2\,2-Difluorobenzo[d][1\,3]dioxol-4-yl)-1H-pyrrole-3-carbonitrile

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
199.8 °Cexp.
Density
1.54 at 20 °Cexp.
Solubility
In water, 1.8 mg/L at 25 °Cexp.
Vapour pressure
2.93 × 10⁻⁹ mm Hg at 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
248.19 g/molcalc.
Exact mass
248.0397 Dacalc.
LogP (octanol/water)
2.87calc.
Topological polar surface area
58.04 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
18calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.08calc.
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, c1cc2c(c(-c3cc[nH]c3)c1)OCO2

c1cc2c(c(-c3cc[nH]c3)c1)OCO2

3 rings, 14 atoms.

6 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • 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

Fludioxonil suppliers

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All 90 suppliers
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Where suppliers are based

90 suppliers in 18 countries

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Fludioxonil 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

Agricultural fungicide.

Fungicide, insecticide, seed treatment/protectant.

Use classes: Pesticides, Fungicides.

Roles

  • agonist
  • agrochemical
  • androgen antagonist
  • antagonist
  • antifungal agent
  • antifungal agrochemical
  • antimicrobial agent
  • estrogen receptor agonist
  • fungicide
  • hormone antagonist
  • hormone receptor modulator
  • pesticide
  • pharmaceutical
  • receptor modulator

Functional uses

  • Biocide

How it is made

Fludioxonil is produced by reaction of 4-amino-2,2-difluorobenzodioxide in HCl-containing acetic acid with sodium nitrite at 0 °C, followed by addition of ethylenenitrile, methyl ethyl ketone, and a solution of copper(I) chloride in hydrochloric acid. The product is extracted with dichloromethane and the thus-obtained solution heated to reflux in the presence of triethylamine to give 2,3-(difluoromethylenedioxy)cinnamic acid nitrile, which is treated with p-toluenesulfonylmethyl isocyanide and potassium tert-butoxide in THF.

Preparation: R. Nyfeler, Jl ehrenfreund, European Patent Office 206999, eidem, United States of America patent 4705800 (1986, 1987 both to Ciba-Geigy).

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 608-069-00-4

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Fludioxonil?

Fludioxonil is a member of the class of benzodioxoles that is 2,2-difluoro-1,3-benzodioxole substituted at position 4 by a 3-cyanopyrrol-4-yl group. A fungicide seed treatment for control of a range of diseases including Fusarium, Rhizoctonia and Alternaria.

What is the CAS number of Fludioxonil?

The CAS registry number of Fludioxonil is 131341-86-1.

What is the molecular formula and weight of Fludioxonil?

The molecular formula of Fludioxonil is C12H6F2N2O2 and its molar mass is 248.19 g/mol.

What is Fludioxonil used for?

Agricultural fungicide. Fungicide, insecticide, seed treatment/protectant. Use classes: Pesticides, Fungicides.

Is Fludioxonil hazardous?

Fludioxonil carries the GHS signal word "Warning". Main hazards: very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Fludioxonil?

Fludioxonil is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fludioxonil?

CompoundList lists 90 suppliers of Fludioxonil in China, Brazil, United States, France and 14 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Fludioxonil in India?

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

What is the price of Fludioxonil?

Suppliers quote Fludioxonil 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 Fludioxonil

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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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