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Rodenticides, nematicides and other pesticides

Coumafuryl

Also known as Ratafin, Krumkil, Tomarin

CAS 117-52-2Formula C17H14O5Molar mass 298.29 g/molEC 204-195-5
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Serious health hazard
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Coumafuryl chemical structure, C17H14O5, CAS 117-52-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White powder
Melting point
124 °C
Solubility
Solubility in water: 150 g/100 ml @ 20 °C /Sodium salt/
HS code
293220
Category
Rodenticides, nematicides and other pesticides
Illustrative photo, white powder in an open fibre drum in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Coumafuryl?

Plain description, key identifiers and synonyms

Coumafuryl is a hydroxycoumarin.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-[1-(furan-2-yl)-3-oxobutyl]-4-hydroxychromen-2-one
CAS number
117-52-2 CAS number cross-checked
EC number
204-195-5
Molecular formula
C17H14O5
UNII
7ELL4M4VS8
MDL number
MFCD00128012
InChIKey
JFIXKFSJCQNGEK-UHFFFAOYSA-N
InChI
InChI=1S/C17H14O5/c1-10(18)9-12(13-7-4-8-21-13)15-16(19)11-5-2-3-6-14(11)22-17(15)20/h2-8,12,19H,9H2,1H3
SMILES (canonical and isomeric)
CC(=O)CC(C1=CC=CO1)C2=C(C3=CC=CC=C3OC2=O)O

Synonyms

  • Ratafin
  • Krumkil
  • Tomarin
  • Lurat
  • Mouse blues
  • Kill-Ko Rat
  • Cumafuryl
  • 3-(1-Furyl-3-acetylethyl)-4-hydroxycoumarin
  • 3-(alpha-Acetonylfurfuryl)-4-hydroxycoumarin
  • 4-(2-Furyl)-4-(4-hydroxy-3-coumarinyl)-2-butanone
  • 4-(2-Furyl)-4-(4-hydroxy-3-kumarinyl)-2-butanon
  • 2H-1-Benzopyran-2-one, 3-(1-(2-furanyl)-3-oxobutyl)-4-hydroxy-
  • Coumarin, 3-(alpha-acetonylfurfuryl)-4-hydroxy-
  • 5-19-06-00391 (Beilstein Handbook Reference)
  • 3-(alpha-Furyl-beta-acetylaethyl)-4-hydroxycumarin
  • 2H-1-Benzopyran-2-one, 3-[1-(2-furanyl)-3-oxobutyl]-4-hydroxy-
  • Fumarin
  • 3-[1-(furan-2-yl)-3-oxobutyl]-4-hydroxychromen-2-one
  • 3-[1-(furan-2-yl)-3-oxobutyl]-4-hydroxy-2H-chromen-2-one
  • tomarine
  • Foumarin
  • Furmarin
  • Coumafuryl, (+/-)-
  • Coumafuryl 100 microg/mL in Cyclohexane
  • 3-(a-acetonylfurfuryl)-4-hydroxycoumarin
Show all 29 synonyms
  • Coumafuryl, PESTANAL(R), analytical standard
  • Coumarin, 3-(alpha-furylacetonyl)-4-hydroxy-
  • 3-[1-(2-furyl)-3-oxo-butyl]-4-hydroxy-chromen-2-one
  • 3-[1-(2-Furyl)-3-oxobutyl]-4-hydroxy-2H-chromen-2-one #

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 powderexp.
Melting point
124 °Cexp.
Solubility
Solubility in water: 150 g/100 ml @ 20 °C /Sodium salt/exp.
Vapour pressure
Very low at room temperatureexp.

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
298.29 g/molcalc.
Exact mass
298.0841 Dacalc.
LogP (octanol/water)
3.2calc.
Topological polar surface area
80.65 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
4calc.
Heavy atoms
22calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.18calc.
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, O=c1oc2ccccc2cc1Cc1ccco1

O=c1oc2ccccc2cc1Cc1ccco1

3 rings, 17 atoms.

1 other chemical share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H301Toxic if swallowed.
  • H372Causes damage to organs through prolonged or repeated exposure.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (10)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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

Coumafuryl suppliers

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Coumafuryl 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

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

Anitcoagulant rodenticide.

How it is made

Preparation: GB 734142 (1955 to Norddeutsche Affinerie and C. F. Spress & Sohn).

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 607-058-00-1

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Coumafuryl?

Coumafuryl is a hydroxycoumarin.

What is the CAS number of Coumafuryl?

The CAS registry number of Coumafuryl is 117-52-2.

What is the molecular formula and weight of Coumafuryl?

The molecular formula of Coumafuryl is C17H14O5 and its molar mass is 298.29 g/mol.

What is Coumafuryl used for?

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

Is Coumafuryl hazardous?

Coumafuryl carries the GHS signal word "Danger". Main hazards: toxic if swallowed, causes damage to organs through prolonged or repeated exposure, harmful 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 Coumafuryl?

Coumafuryl is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Coumafuryl?

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What is the price of Coumafuryl?

Suppliers quote Coumafuryl 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 Coumafuryl

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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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