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Insecticides and acaricides

Dimethrin

Also known as Dimetrin, Dimethrine, 2,4-Dimethylbenzyl chrysanthemumate

CAS 70-38-2Formula C19H26O2Molar mass 286.42 g/mol
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Dimethrin chemical structure, C19H26O2, CAS 70-38-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Amber liquid
Boiling point
175 °C
Density
0.986 @ 20 °C
Solubility
Soluble in petroleum hydrocarbons, aromatic petroleum derivatives, alcohols, and methyle…
HS code
291620
Category
Insecticides and acaricides
Illustrative photo, amber viscous liquid in an open pail in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Dimethrin?

Plain description, key identifiers and synonyms

Dimethrin is a chemical substance with the molecular formula C19H26O2 and a molar mass of 286.42 g/mol. Its CAS registry number is 70-38-2. The IUPAC name is (2,4-dimethylphenyl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2,4-dimethylphenyl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate
CAS number
70-38-2 CAS number cross-checked
Molecular formula
C19H26O2
UNII
SRP5SEK6S1
InChIKey
FHNKBSDJERHDHZ-UHFFFAOYSA-N
InChI
InChI=1S/C19H26O2/c1-12(2)9-16-17(19(16,5)6)18(20)21-11-15-8-7-13(3)10-14(15)4/h7-10,16-17H,11H2,1-6H3
SMILES (canonical and isomeric)
CC1=CC(=C(C=C1)COC(=O)C2C(C2(C)C)C=C(C)C)C

Synonyms

  • Dimetrin
  • Dimethrine
  • 2,4-Dimethylbenzyl chrysanthemumate
  • SHA 034101
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (2,4-dimethylphenyl)methyl ester
  • 2,4-Dimethylbenzyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
  • (2,4-Dimethylphenyl)methyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate
  • 2,2-Dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylic acid 2,4-dimethylbenzyl ester
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-, 2,4-dimethylbenzyl ester
  • (2,4-dimethylphenyl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate
  • 2,4-Dimethylbenzyl-(I)-cis-trans-chrysanthemumate
  • 2,4-Dimethylbenzyl ester of cis,trans-chrysanthemumic acid
  • Chrysanthemumic acid 2,4-dimethylbenzyl ester
  • 2,4-Dimethylbenzylester kyseliny chrysanthemove
  • ENT 21,170
  • 2,4-Dimethylbenzylchrysanthemumate
  • Chrysanthemumic acid, 2,4-dimethylbenzyl ester
  • USEPA/odw, Health Advisories for 50 Pesticides (1988) ENT 21,170
  • 2,4-Dimethylbenzyl (1RS)-cis,trans-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
  • (2,4-dimethylphenyl)methyl 2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (2,4-dimethylphenyl)methyl ester (VAN)
  • 2,4-Dimethylbenzyl ester of chrysanthemumic acid
  • 2,2-dimethyl-3-(2-methylpropenyl) cyclopropanecarboxylate
  • Chrysanthemummonocarboxylic acid, 2,4-dimethylbenzyl ester
  • 2,trans-(+-)-2,2-dimethyl-3-(2-methylpropenyl) cyclopropanecarboxylate
Show all 31 synonyms
  • 2,trans-(.+-.)-2,2-dimethyl-3-(2-methylpropenyl) cyclopropanecarboxylate
  • 2,4-Dimethylbenzyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate #
  • 2,4-Dimethylbenzyl 2,2-dimethyl-3-(2-methylpropenyl) cyclopropanecarboxylate
  • Cyclopropanecarboxylic acid,2-dimethyl-3-(2-methylpropenyl)-, 2,4-dimethylbenzyl ester
  • (2,4-Dimethylphenyl)methyl 2,2-dimethyl-3-(2-methyl-1- propenyl)cyclopropanecarboxylate
  • 2,4-Dimethylbenzyl (1rs)-cis,trans-2,2-dimethyl-3-(2- methylprop-1-enyl)cyclopropanecarboxylate

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
Amber liquidexp.
Boiling point
175 °Cexp.
Density
0.986 @ 20 °Cexp.
Solubility
Soluble in petroleum hydrocarbons, aromatic petroleum derivatives, alcohols, and methylene chloride.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
286.42 g/molcalc.
Exact mass
286.1933 Dacalc.
LogP (octanol/water)
4.59calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
4calc.
Heavy atoms
21calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.53calc.
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(OCc1ccccc1)C1CC1

O=C(OCc1ccccc1)C1CC1

2 rings, 13 atoms, the Benzyl cyclopropanecarboxylate ring system.

188 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Dimethrin suppliers

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Dimethrin price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Insecticide for use in ponds and swamps as a mosquito larvicide. (Former).

Use classes: Insecticides.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Dimethrin 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 Dimethrin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Dimethrin?

Dimethrin is a chemical substance with the molecular formula C19H26O2 and a molar mass of 286.42 g/mol. Its CAS registry number is 70-38-2. The IUPAC name is (2,4-dimethylphenyl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate.

What is the CAS number of Dimethrin?

The CAS registry number of Dimethrin is 70-38-2.

What is the molecular formula and weight of Dimethrin?

The molecular formula of Dimethrin is C19H26O2 and its molar mass is 286.42 g/mol.

What is Dimethrin used for?

Insecticide for use in ponds and swamps as a mosquito larvicide. (Former). Use classes: Insecticides.

Is Dimethrin hazardous?

No GHS hazard classification for Dimethrin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Dimethrin?

Dimethrin 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 Dimethrin?

Post a free request on CompoundList and suppliers of Dimethrin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Dimethrin?

Suppliers quote Dimethrin 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 Dimethrin

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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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