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Insecticides and acaricides

Hydramethylnon

Also known as hydromethylnon, 5,5-Dimethyl-perhydro-pyrimidin-2-one alpha-(4-trifluoromethylstyryl)-alpha-(4-trifluoromethyl)cinnamylidenehydrazone, Tetrahydro-5,5-dimethyl-2(1H)-pyrimidinone(3-(4-(trifluoromethyl)phenyl)-1-(2-(4-(trifluoromethyl)phenyl)ethenyl)-2-propenylidene)hydrazone

CAS 67485-29-4Formula C25H24F6N4Molar mass 494.48 g/molEC 405-090-9
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 8 suppliers listed
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Hydramethylnon chemical structure, C25H24F6N4, CAS 67485-29-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Yellow to tan crystals
Melting point
190 °C
Flash point
>104.4
Solubility
In water, 0.006 mg/L at 25 °C
HS code
293359
Category
Insecticides and acaricides
UN number
UN 3077
Illustrative photo, yellow pigment powder in an open fibre drum in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Hydramethylnon?

Plain description, key identifiers and synonyms

Hydramethylnon appears as odorless yellow crystals. Insoluble in water. Used as an insecticide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-[1,5-bis[4-(trifluoromethyl)phenyl]penta-1,4-dien-3-ylideneamino]-5,5-dimethyl-4,6-dihydro-1H-pyrimidin-2-amine
CAS number
67485-29-4 CAS number cross-checked
EC numbers
405-090-9, 614-073-7
Molecular formula
C25H24F6N4
InChIKey
IQVNEKKDSLOHHK-UHFFFAOYSA-N
InChI
InChI=1S/C25H24F6N4/c1-23(2)15-32-22(33-16-23)35-34-21(13-7-17-3-9-19(10-4-17)24(26,27)28)14-8-18-5-11-20(12-6-18)25(29,30)31/h3-14H,15-16H2,1-2H3,(H2,32,33,35)
SMILES (canonical and isomeric)
CC1(CNC(=NC1)NN=C(C=CC2=CC=C(C=C2)C(F)(F)F)C=CC3=CC=C(C=C3)C(F)(F)F)C

Synonyms

  • hydromethylnon
  • 5,5-Dimethyl-perhydro-pyrimidin-2-one alpha-(4-trifluoromethylstyryl)-alpha-(4-trifluoromethyl)cinnamylidenehydrazone
  • Tetrahydro-5,5-dimethyl-2(1H)-pyrimidinone(3-(4-(trifluoromethyl)phenyl)-1-(2-(4-(trifluoromethyl)phenyl)ethenyl)-2-propenylidene)hydrazone
  • 2(1H)-Pyrimidinone, tetrahydro-5,5-dimethyl-, (3-(4-(trifluoromethyl)phenyl)-1-(2-(4-(trifluoromethyl)phenyl)ethenyl)-2-propenylidene)hydrazone
  • 5,5-dimethyltetrahydropyrimidin-2(1H)-one (3-(4-(trifluoromethyl)phenyl)-1-(2-(4-(trifluoromethyl)phenyl)ethenyl)prop-2-en-1-ylidene)hydrazone
  • AC 217300
  • Amdro
  • CL 217300
  • Combat
  • Maxforce
  • Wipeout
  • N-[1,5-bis[4-(trifluoromethyl)phenyl]penta-1,4-dien-3-ylideneamino]-5,5-dimethyl-4,6-dihydro-1H-pyrimidin-2-amine
  • 2-(2-{1,5-Bis[4-(trifluoromethyl)phenyl]penta-1,4-dien-3-ylidene}hydrazin-1-yl)-5,5-dimethyl-1,4,5,6-tetrahydropyrimidine

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 tan crystalsexp.
Odour
Characteristic of vegetable oilexp.
Melting point
190 °Cexp.
Flash point
>104.4exp.
Solubility
In water, 0.006 mg/L at 25 °Cexp.
Vapour pressure
Yellow to tan crystalline solid with characteristic vegetable odor. MP 189-191 °C. Insoluble in water, slightly soluble in alcohols, and soluble in acetone, chorobenzene, and 1,2-dichloroethane. VP: 2 × 10⁻⁸ mm Hg at 25 °C. /Technical/exp.

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
494.48 g/molcalc.
Exact mass
494.1905 Dacalc.
LogP (octanol/water)
6.38calc.
Topological polar surface area
48.78 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
5calc.
Heavy atoms
35calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.28calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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, C(=Cc1ccccc1)C(C=Cc1ccccc1)=NNC1=NCCCN1

C(=Cc1ccccc1)C(C=Cc1ccccc1)=NNC1=NCCCN1

3 rings, 25 atoms.

1 other chemical share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H319Causes serious eye irritation.
  • H372Causes damage to organs through prolonged or repeated exposure.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (13)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • 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.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • P337 + P317If eye irritation persists: Get medical help.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3077

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

Hydramethylnon suppliers

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

All 8 suppliers
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Where suppliers are based

8 suppliers in 2 countries

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Hydramethylnon 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

Insecticide for ants (big headed, fire, harvester).

Slow activating stomach poison insecticide.

A slow-acting toxicant used successfully in bait for the fire ant, other ants, and cockroaches.

Industrial uses: Intermediate.

Use classes: Insecticides.

Pharmacological actions

  • Insecticides

Roles

  • cytochrome-bc1 complex inhibitor
  • electron-transport chain inhibitor
  • enzyme inhibitor
  • insecticide
  • mitochondrial cytochrome-bc1 complex inhibitor
  • mitochondrial respiratory-chain inhibitor
  • pathway inhibitor
  • pesticide
  • respiratory-chain inhibitor

Functional uses

  • Biocide

How it is made

4-(Trifluormethylbenzaldehyde) + acetone + hydrazine + neopentyl glycol + urea (carbonyl condensation/ imine formation/ condensation/ imine formation)

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 613-181-00-1

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Hydramethylnon?

Hydramethylnon appears as odorless yellow crystals. Insoluble in water. Used as an insecticide.

What is the CAS number of Hydramethylnon?

The CAS registry number of Hydramethylnon is 67485-29-4.

What is the molecular formula and weight of Hydramethylnon?

The molecular formula of Hydramethylnon is C25H24F6N4 and its molar mass is 494.48 g/mol.

What is Hydramethylnon used for?

Insecticide for ants (big headed, fire, harvester). Slow activating stomach poison insecticide. A slow-acting toxicant used successfully in bait for the fire ant, other ants, and cockroaches. Industrial uses: Intermediate. Use classes: Insecticides.

Is Hydramethylnon hazardous?

Hydramethylnon carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes serious eye irritation, causes damage to organs through prolonged or repeated exposure. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Hydramethylnon?

Hydramethylnon is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hydramethylnon?

CompoundList lists 8 suppliers of Hydramethylnon in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Hydramethylnon?

Suppliers quote Hydramethylnon 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 Hydramethylnon

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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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