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Insecticides and acaricides

Tetramethrin

Also known as Phthalthrin, Neo-pynamin, Bioneopynamin

CAS 7696-12-0Formula C19H25NO4Molar mass 331.41 g/molEC 231-711-6
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 22 suppliers listed
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Tetramethrin chemical structure, C19H25NO4, CAS 7696-12-0
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White crystalline solid
Melting point
68 to 70
Boiling point
180 to 190
Density
1.11 g/cm³
Solubility
In water, 1.83 mg/L at 25 °C.
HS code
292519
Category
Insecticides and acaricides
UN number
UN 2588
Illustrative photo, colourless crystals in an open woven sack in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Tetramethrin?

Plain description, key identifiers and synonyms

Tetramethrin is a phthalimide insecticide, a cyclopropanecarboxylate ester and a member of maleimides. It has a role as a pyrethroid ester insecticide. It is functionally related to a chrysanthemic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1,3-dioxo-4,5,6,7-tetrahydroisoindol-2-yl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate
CAS number
7696-12-0 CAS number cross-checkedOther or deprecated CAS: 66525-27-7
EC numbers
231-711-6, 685-655-6
Molecular formula
C19H25NO4
UNII
Z72930Q46K
MDL number
MFCD00084635
INCI name
TETRAMETHRIN
InChIKey
CXBMCYHAMVGWJQ-UHFFFAOYSA-N
InChI
InChI=1S/C19H25NO4/c1-11(2)9-14-15(19(14,3)4)18(23)24-10-20-16(21)12-7-5-6-8-13(12)17(20)22/h9,14-15H,5-8,10H2,1-4H3
SMILES (canonical and isomeric)
CC(=CC1C(C1(C)C)C(=O)OCN2C(=O)C3=C(C2=O)CCCC3)C

Synonyms

  • Phthalthrin
  • Neo-pynamin
  • Bioneopynamin
  • Tetramethrine
  • Tetrametrina
  • Insectol
  • Neopinamin
  • Neopynamin forte
  • Py-Kill
  • Tetramethrinum
  • Multicide
  • Tetralate
  • Tetramethrin,racemic
  • (1,3-dioxo-4,5,6,7-tetrahydroisoindol-2-yl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate
  • SP 1103 forte
  • Cyclohexene-1-dicarboximidomethylchrysanthemate
  • N-(Chrysanthemoxymethyl)-1-cyclohexene-1,2-dicarboximide
  • 2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid (1,3,4,5,6,7-hexahydro-1,3-dioxo-2H-isoindol-2-yl)methyl ester
  • Neopynamin
  • (1,3-dioxo-2,3,4,5,6,7-hexahydro-1H-isoindol-2-yl)methyl 2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate
  • 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylic acid, ester with N-(hydroxymethyl)-1-cyclo hexene 1,2-dicarboximide
  • d-Tetramethrin
  • Tetramethrin (INN)
  • Tetramethrin, Phthalthrin
  • N-(3,4,5,6-Tetrahydrophthalimide)methyl-cis,trans-chrysanthemate
Show all 33 synonyms
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (1,3,4,5,6,7-hexahydro-1,3-dioxo-2H-isoindol-2-yl)methyl ester
  • d-Phthalthrin
  • Weo-Pynamin
  • (1,3-dioxo-4,5,6,7-tetrahydroisoindol-2-yl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
  • Niagara nia-9260
  • Sumitomo SP-1103
  • Tetramethrine [ISO-French]
  • Killgerm py-kill w

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 crystalline solidexp.
Odour
Slight pyrethrum-like odorexp.
Melting point
68 to 70exp.
Boiling point
180 to 190exp.
Density
1.11 g/cm³exp.
Solubility
In water, 1.83 mg/L at 25 °C.exp.
Vapour pressure
7.1 × 10⁻⁶ 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
331.41 g/molcalc.
Exact mass
331.1784 Dacalc.
LogP (octanol/water)
2.96calc.
Topological polar surface area
63.68 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.63calc.
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=C(OCN1C(=O)C2=C(CCCC2)C1=O)C1CC1

O=C(OCN1C(=O)C2=C(CCCC2)C1=O)C1CC1

3 rings, 18 atoms.

6 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
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.
  • H351Suspected of causing cancer.
  • H371May cause damage to organs.
  • 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.
  • 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.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P308 + P316If exposed or concerned: Get emergency medical help immediately.
  • P318If exposed or concerned, get medical advice.
  • P330Rinse mouth.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2588

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

Tetramethrin suppliers

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

All 22 suppliers
23 of 23 offers

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Where suppliers are based

22 suppliers in 7 countries

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Tetramethrin 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

Potent synthetic pyrethroid insecticide.

Insecticide.

Commercial applications include space sprays, broadcast surface treatments, and crack and crevice treatments in a variety of industrial and institutional sites including: indoor non-food areas, animal premises (not used for human consumption), and outdoors as localized space and contact sprays on ornamental plants and perimeter treatments (sidewalks, entranceways, outside surfaces of buildings, etc.).

Cosmetic ingredient, INCI name TETRAMETHRIN(antimicrobial)

Pharmacological actions

  • Insecticides

Roles

  • antiinfective agent
  • antiparasitic agent
  • biophysical role
  • insecticide
  • membrane transport modulator
  • pesticide
  • pharmaceutical
  • pyrethroid ester insecticide
  • pyrethroid insecticide
  • sodium channel modulator

Functional uses

  • Biocide

Cosmetic functions

  • Antimicrobial

How it is made

N-hydroxymethyl-3,4,5,6-tetrahydrophthalimide + (1RS)-cis/trans-chrysanthemic acid (esterification)

Preparation of racemic mixture: T. Kato et al., JP 65 8535, eidem, US 3268398 (1965, 1966 both to Sumitomo).

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 607-727-00-8

Health and food

  • EU cosmetic ingredient inventory
  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Tetramethrin, (1-Cyclohexene-1,2-Dicarboximido)Methyl Chrysanthemate, 2,2-Dimethyl-3-(2-Methyl-1-Propenyl)Cyclopropanecarboxylic Acid (1,3,4,5,6,7-Hexah…

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2925.19Indicative HS code

Imides and their derivatives, salts thereof, other

World exports in 2024
$295M
+11.7% vs 2023, imports $348M
2019 to 2024
Top exporters
  1. China29.7%
  2. Japan22.7%
  3. United Kingdom10.0%
Top importers
  1. United States12.7%
  2. Brazil12.6%
  3. China10.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Tetramethrin?

Tetramethrin is a phthalimide insecticide, a cyclopropanecarboxylate ester and a member of maleimides. It has a role as a pyrethroid ester insecticide. It is functionally related to a chrysanthemic acid.

What is the CAS number of Tetramethrin?

The CAS registry number of Tetramethrin is 7696-12-0. Other or deprecated CAS numbers: 66525-27-7.

What is the molecular formula and weight of Tetramethrin?

The molecular formula of Tetramethrin is C19H25NO4 and its molar mass is 331.41 g/mol.

What is Tetramethrin used for?

Potent synthetic pyrethroid insecticide. Insecticide. Commercial applications include space sprays, broadcast surface treatments, and crack and crevice treatments in a variety of industrial and institutional sites including: indoor non-food areas, animal premises (not used for human consumption), and outdoors as local…

Is Tetramethrin hazardous?

Tetramethrin carries the GHS signal word "Warning". Main hazards: harmful if swallowed, suspected of causing cancer, may cause damage to organs. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Tetramethrin?

Tetramethrin is usually classified under HS code 292519 (Imides and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tetramethrin?

CompoundList lists 22 suppliers of Tetramethrin in China, Turkey, Italy, Canada and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Tetramethrin in India?

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

What is the price of Tetramethrin?

Suppliers quote Tetramethrin 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 Tetramethrin

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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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