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Fungicides

Captafol

Also known as Folcid, Merpafol, Sanspor

CAS 2425-06-1Formula C10H9Cl4NO2SMolar mass 349.07 g/molEC 219-363-3
GHS signal word: Danger. Pictograms: Serious health hazard, Hazardous to the environment Controlled, licensed buyers only
Request as a licensed buyer Safety data
Captafol chemical structure, C10H9Cl4NO2S, CAS 2425-06-1
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White, solid
Melting point
160 to 161
Boiling point
Decomposes
Density
Relative density of the vapour/air-mixture at 20 °C (air = 1): 1.00
Solubility
In water, 1.4 mg/l @ 20 °C
HS code
293080
Category
Fungicides

What is Captafol?

Plain description, key identifiers and synonyms

Captafol is a dicarboximide that captan in which the trichloromethyl group is replaced by a 1,1,2,2-tetrachloroethyl group. A broad-spectrum fungicide used to control diseases in fruit and potatoes, it is no longer approved for use in the European Community. It has a role as an antifungal agrochemical. It is a member of isoindoles, an organosulfur compound, an organochlorine compound and a phthalimide fungicide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(1,1,2,2-tetrachloroethylsulfanyl)-3a,4,7,7a-tetrahydroisoindole-1,3-dione
CAS number
2425-06-1 CAS number cross-checked
EC number
219-363-3
Molecular formula
C10H9Cl4NO2S
MDL number
MFCD00041816
InChIKey
JHRWWRDRBPCWTF-UHFFFAOYSA-N
InChI
InChI=1S/C10H9Cl4NO2S/c11-9(12)10(13,14)18-15-7(16)5-3-1-2-4-6(5)8(15)17/h1-2,5-6,9H,3-4H2
SMILES (canonical and isomeric)
C1C=CCC2C1C(=O)N(C2=O)SC(C(Cl)Cl)(Cl)Cl

Synonyms

  • Folcid
  • Merpafol
  • Sanspor
  • Foltaf
  • Difolatan
  • Arborseal
  • Crisfolatan
  • Terrazol
  • Difosan
  • Proxel EF
  • Haipen 50
  • Captaspor
  • Captofol
  • Kenofol
  • Haipen
  • Difolatan BOW
  • Nalco 7046
  • Tetrachloroethylthiotetrahydrophthalimide
  • Difolatan 4F
  • Santar SM
  • Difolatan 4F1
  • Difolatan 80W
  • Alfloc 7020
  • Alfloc 7046
  • Ortho 5865
Show all 38 synonyms
  • 1,2,3,6-Tetrahydro-N-(1,1,2,2-tetrachloroethylthio)phthalimide
  • N-1,1,2,2-Tetrachloroethylmercapto-4-cyclohexene-1,2-carboximide
  • N-(Tetrachloroethylthio)tetrahydrophthalimide
  • 3a,4,7,7a-Tetrahydro-N-(1,1,2,2-tetrachloroethanesulphenyl)phthalimide
  • N-(1,1,2,2-Tetrachloraethylthio)-tetrahydrophthalamid
  • captefol
  • N-(1,1,2,2-Tetrachloraethylthio)-cyclohex-4-en-1,4-diacarboximid
  • 2-[(1,1,2,2-tetrachloroethyl)sulfanyl]-2,3,3a,4,7,7a-hexahydro-1H-isoindole-1,3-dione
  • N-(1,1,2,2-Tetrachloroethylthio)-4-cyclohexene-1,2-dicarboximide
  • N-((1,1,2,2-Tetrachloroethyl)thio)-4-cyclohexene-1,2-dicarboximide
  • 4-Cyclohexene-1,2-dicarboximide, N-((1,1,2,2-tetrachloroethyl)thio)-
  • 2-((1,1,2,2-tetrachloroethyl)sulfanyl)-2,3,3a,4,7,7a-hexahydro-1H-isoindole-1,3-dione
  • 1H-Isoindole-1,3(2H)-dione, 3a,4,7,7a-tetrahydro-2-((1,1,2,2-tetrachloroethyl)thio)-

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
White, solidexp.
Odour
Slight, characteristic pungent odor.exp.
Melting point
160 to 161exp.
Boiling point
Decomposesexp.
Density
Relative density of the vapour/air-mixture at 20 °C (air = 1): 1.00exp.
Solubility
In water, 1.4 mg/l @ 20 °Cexp.
Vapour pressure
8.27 × 10⁻⁹ 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
349.07 g/molcalc.
Exact mass
346.9108 Dacalc.
LogP (octanol/water)
3.52calc.
Topological polar surface area
37.38 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.6calc.
Formal charge
0calc.
Stereocentres
2calc.
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, O=C1NC(=O)C2CC=CCC12

O=C1NC(=O)C2CC=CCC12

2 rings, 11 atoms, the 1,2,3,6-Tetrahydrophthalimide ring system.

75 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H317May cause an allergic skin reaction.
  • H350May cause 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

Captafol suppliers

Controlled substance, listings of documented suppliers only, in the documented ranking

Pic

Captafol is controlled. Only documented suppliers can list it, and buyers must upload a valid licence with their request. Every request is reviewed before suppliers see it.

Licensed buyers only, every enquiry is reviewed by our compliance team.

Reference: Rotterdam Convention Annex III prior informed consent chemical, HS 2022 subheading 2930.80 (aldicarb, captafol and methamidophos)

Our policy on controlled substances
No documented supplier lists it yet

Licensed buyers can post a request for Captafol with their licence. Our compliance team reviews it before suppliers see it.

Request as a licensed buyer

Captafol 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

The active ingredient is no longer contained in any registered products ... "cancelled.".

Fungicide.

It is widely used to control foliage and fruit disease of tomatoes, coffee berry disease, potato blight, tapping panel disease of rubber and many other diseases. It is also used in the lumber and timber industries to reduce losses from wood rot fungi in logs and wood products.

Use classes: Fungicides.

Pharmacological actions

  • Fungicides, Industrial

Roles

  • agrochemical
  • antifungal agent
  • antifungal agrochemical
  • antimicrobial agent
  • fungicide
  • pesticide

Functional uses

  • Biocide

How it is made

Captafol is produced by reaction of the sodium salt of tetrahydrophthalimide in benzene with tetrachloroethylsulfenyl chloride.

Reaction of imide, formed by action of ammonia on tetrahydrophthalic anhydride, with 1,1,2,2-tetrachloroethyl sulfenyl chloride.

Regulatory status

Inventories, regulations and trade controls that list this substance

Pic

Captafol is controlled. Only documented suppliers can list it, and buyers must upload a valid licence with their request. Every request is reviewed before suppliers see it.

Licensed buyers only, every enquiry is reviewed by our compliance team.

Reference: Rotterdam Convention Annex III prior informed consent chemical, HS 2022 subheading 2930.80 (aldicarb, captafol and methamidophos)

Our policy on controlled substances

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 613-046-00-7

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Captafol, Ref no: 734, Annex ref: II/734

Other lists

  • Other regulatory list

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2930.80Exact HS code

Aldicarb (ISO), Captafol (ISO) and methamidophos (ISO)

World exports in 2024
$7.69M
+13.1% vs 2023, imports $6.93M
2019 to 2024
Top exporters
  1. China72.5%
  2. United States20.8%
  3. France * partner reported3.1%
Top importers
  1. United States63.7%
  2. Australia14.9%
  3. South Africa13.8%

* Partner reported figures, a lower bound.

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

The HS code shown for Captafol is indicative (it was matched by name in the HS nomenclature). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Captafol?

Captafol is a dicarboximide that captan in which the trichloromethyl group is replaced by a 1,1,2,2-tetrachloroethyl group. A broad-spectrum fungicide used to control diseases in fruit and potatoes, it is no longer approved for use in the European Community. It has a role as an antifungal agrochemical.

What is the CAS number of Captafol?

The CAS registry number of Captafol is 2425-06-1.

What is the molecular formula and weight of Captafol?

The molecular formula of Captafol is C10H9Cl4NO2S and its molar mass is 349.07 g/mol.

What is Captafol used for?

The active ingredient is no longer contained in any registered products ... "cancelled.". Fungicide. It is widely used to control foliage and fruit disease of tomatoes, coffee berry disease, potato blight, tapping panel disease of rubber and many other diseases.

Is Captafol hazardous?

Captafol carries the GHS signal word "Danger". Main hazards: may cause an allergic skin reaction, may cause 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 Captafol?

Captafol is usually classified under HS code 293080 (Aldicarb (ISO), Captafol (ISO) and methamidophos (ISO)). This is indicative, confirm it with your customs broker before shipping.

Can I buy Captafol on CompoundList?

Captafol is a controlled substance. Only documented suppliers can list it, and buyers must upload a valid licence with their request. Every request is reviewed by our compliance team before suppliers see it.

Guides for buyers

Practical guides that help when you source, ship or handle Captafol

Request as a licensed buyer

Upload your licence with the request. Our compliance team reviews it before the documented suppliers see it.
Request as a licensed buyer
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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