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Insecticides and acaricides

Prallethrin

Also known as ETOC, d,d-T80-Prallethrin, 2-methyl-4-oxo-3-prop-2-yn-1-ylcyclopent-2-en-1-yl 2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropanecarboxylate

CAS 23031-36-9Formula C19H24O3Molar mass 300.40 g/molEC 245-387-9
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Hazardous to the environment 10 suppliers listed
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Prallethrin chemical structure, C19H24O3, CAS 23031-36-9
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Yellow to yellow brown liquid
Melting point
Liquid at room temperatures
Boiling point
313.5 °C
Density
1.03 at 20 °C/4 °C
Flash point
139 °C
HS code
291620
Category
Insecticides and acaricides
Illustrative photo, blue HDPE drums with a pale yellow liquid sample in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Prallethrin?

Plain description, key identifiers and synonyms

Prallethrin is a member of cyclopropanes and a terminal acetylenic compound. It has a role as an agrochemical and a pyrethroid ester insecticide. It is functionally related to a chrysanthemic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2-methyl-4-oxo-3-prop-2-ynylcyclopent-2-en-1-yl) 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate
CAS number
23031-36-9 CAS number cross-checkedOther or deprecated CAS: 103065-19-6
EC number
245-387-9
Molecular formula
C19H24O3
MDL number
MFCD03792792
InChIKey
SMKRKQBMYOFFMU-UHFFFAOYSA-N
InChI
InChI=1S/C19H24O3/c1-7-8-13-12(4)16(10-15(13)20)22-18(21)17-14(9-11(2)3)19(17,5)6/h1,9,14,16-17H,8,10H2,2-6H3
SMILES (canonical and isomeric)
CC1=C(C(=O)CC1OC(=O)C2C(C2(C)C)C=C(C)C)CC#C

Synonyms

  • ETOC
  • d,d-T80-Prallethrin
  • 2-methyl-4-oxo-3-prop-2-yn-1-ylcyclopent-2-en-1-yl 2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropanecarboxylate
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, 2-methyl-4-oxo-3-(2-propynyl)-2-cyclopenten-1-yl ester
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, cis,trans-(+)-, 2-methyl-4-oxo-3-(2-propynyl)-2-cyclopenten-1-yl ester
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-, ester with 4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one, trans-(+-)-
  • D-Prallethrin
  • Prallethrin(Mixture of diastereomers)
  • 2-Methyl-4-oxo-3-(prop-2-yn-1-yl)cyclopent-2-en-1-yl 2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate
  • S-4068 SF
  • (2-methyl-4-oxo-3-prop-2-ynylcyclopent-2-en-1-yl) 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate
  • Prallethrin, PESTANAL(R), analytical standard
  • (2-methyl-4-oxo-3-prop-2-ynyl-cyclopent-2-en-1-yl) 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-, ester with 4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one, trans-(.+/-.)-

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
Yellow to yellow brown liquidexp.
Odour
Faint characteristic odorexp.
Melting point
Liquid at room temperaturesexp.
Boiling point
313.5 °Cexp.
Density
1.03 at 20 °C/4 °Cexp.
Flash point
139 °Cexp.
Solubility
In water, 8 mg/L at 25 °Cexp.
Vapour pressure
3.5 × 10⁻⁵ mm Hg at 20 °C, 1 × 10⁻⁴ mm Hg at 30 °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
300.40 g/molcalc.
Exact mass
300.1725 Dacalc.
LogP (octanol/water)
3.45calc.
Topological polar surface area
43.37 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
22calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.58calc.
Formal charge
0calc.
Stereocentres
3calc.
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=C1C=CC(OC(=O)C2CC2)C1

O=C1C=CC(OC(=O)C2CC2)C1

2 rings, 12 atoms.

55 other chemicals 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)
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H331Toxic if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (14)
  • 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.
  • P301 + P317If swallowed: Get medical help.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Prallethrin suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 10 suppliers
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Where suppliers are based

10 suppliers in 6 countries

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Prallethrin 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

Flying and crawling insect control for industrial locations and outdoor use.

Prallethrin is a synthetic pyrethroid with fast knock-down activity against household insect pests. It is used in household insecticide products against mosquitoes, houseflies and cockroaches. Prallethrin also has veterinary uses in the treatment of domestic pets.

Roles

  • agrochemical
  • biophysical role
  • insecticide
  • membrane transport modulator
  • pesticide
  • pyrethroid ester insecticide
  • pyrethroid insecticide
  • sodium channel modulator

Functional uses

  • Biocide

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 607-431-00-9

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2916.20Indicative HS code

Cyclanic, cyclenic or cycloterpenic monocarboxylic acids, their anhydrides, halides…

World exports in 2024
$489M
−6.1% vs 2023, imports $608M
2019 to 2024
Top exporters
  1. China45.5%
  2. India * partner reported18.6%
  3. Japan11.2%
Top importers
  1. Brazil20.3%
  2. United States15.7%
  3. India * partner reported12.8%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Prallethrin?

Prallethrin is a member of cyclopropanes and a terminal acetylenic compound. It has a role as an agrochemical and a pyrethroid ester insecticide. It is functionally related to a chrysanthemic acid.

What is the CAS number of Prallethrin?

The CAS registry number of Prallethrin is 23031-36-9. Other or deprecated CAS numbers: 103065-19-6.

What is the molecular formula and weight of Prallethrin?

The molecular formula of Prallethrin is C19H24O3 and its molar mass is 300.40 g/mol.

What is Prallethrin used for?

Flying and crawling insect control for industrial locations and outdoor use. Prallethrin is a synthetic pyrethroid with fast knock-down activity against household insect pests. It is used in household insecticide products against mosquitoes, houseflies and cockroaches.

Is Prallethrin hazardous?

Prallethrin carries the GHS signal word "Danger". Main hazards: harmful if swallowed, toxic if inhaled, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Prallethrin?

Prallethrin is usually classified under HS code 291620 (Cyclanic, cyclenic or cycloterpenic monocarboxylic acids, their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Prallethrin?

CompoundList lists 10 suppliers of Prallethrin in China, India, Canada, Italy and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Prallethrin in India?

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

What is the price of Prallethrin?

Suppliers quote Prallethrin 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 Prallethrin

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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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