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Insecticides and acaricides

Spiromesifen

Also known as Oberon, 2-oxo-3-(2,4,6-trimethylphenyl)-1-oxaspiro[4.4]non-3-en-4-yl 3,3-dimethylbutanoate, 2-Oxo-3-(2,4,6-trimethylphenyl)-1-oxaspiro(4.4)non-3-en-4-yl 3,3-dimethylbutanoate

CAS 283594-90-1Formula C23H30O4Molar mass 370.49 g/molEC 608-196-5
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 18 suppliers listed
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Spiromesifen chemical structure, C23H30O4, CAS 283594-90-1
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White solid
Melting point
98 °C
Solubility
In water, 0.13 mg/L at 20 °C
HS code
293220
Category
Insecticides and acaricides
Illustrative photo, white powder in small glass vials on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Spiromesifen?

Plain description, key identifiers and synonyms

Spiromesifen is a butenolide that is but-2-en-4-olide bearing a 2,4,6-trimethylphenyl group at position 3, a 3,3-dimethylbutyryloxy group at position 4 and a spiro-fused cyclopentyl ring at position 5. It has a role as an insecticide. It is functionally related to a 1,3,5-trimethylbenzene and a 3,3-dimethylbutyric acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[2-oxo-3-(2,4,6-trimethylphenyl)-1-oxaspiro[4.4]non-3-en-4-yl] 3,3-dimethylbutanoate
CAS number
283594-90-1 CAS number cross-checked
EC number
608-196-5
Molecular formula
C23H30O4
UNII
N726NTQ5ZC
MDL number
MFCD08458959
InChIKey
GOLXNESZZPUPJE-UHFFFAOYSA-N
InChI
InChI=1S/C23H30O4/c1-14-11-15(2)18(16(3)12-14)19-20(26-17(24)13-22(4,5)6)23(27-21(19)25)9-7-8-10-23/h11-12H,7-10,13H2,1-6H3
SMILES (canonical and isomeric)
CC1=CC(=C(C(=C1)C)C2=C(C3(CCCC3)OC2=O)OC(=O)CC(C)(C)C)C

Synonyms

  • Oberon
  • 2-oxo-3-(2,4,6-trimethylphenyl)-1-oxaspiro[4.4]non-3-en-4-yl 3,3-dimethylbutanoate
  • 2-Oxo-3-(2,4,6-trimethylphenyl)-1-oxaspiro(4.4)non-3-en-4-yl 3,3-dimethylbutanoate
  • [2-oxo-3-(2,4,6-trimethylphenyl)-1-oxaspiro[4.4]non-3-en-4-yl] 3,3-dimethylbutanoate
  • 3-mesityl-2-oxo-1-oxaspiro[4.4]non-3-en-4-yl 3,3-dimethylbutanoate
  • BSN 2060
  • 3-(2,4,6-trimethylphenyl)-4-(3,3-dimethylbutylcarbonyloxy)-5-spirocyclo-pentyl-3-dihydrofuranon-2
  • Oberon(R)
  • Butanoic acid, 3,3-dimethyl-, 2-oxo-3-(2,4,6-trimethylphenyl)-1-oxaspiro[4.4]non-3-en-4-yl ester, BSN 2060, Forbid, Oberon, Spiromesifen
  • Spiromesifen 10 |Ig/mL in Cyclohexane
  • Spiromesifen 10 microg/mL in Cyclohexane
  • Spiromesifen 100 microg/mL in Acetonitrile
  • Spiromesifen, PESTANAL(R), analytical standard
  • 3-Mesityl-2-oxo-1-oxaspiro(4.4)non-3-en-4-yl 3,3-dimethylbutyrate
  • BAY BSN 2060, Oberon, 3-Mesityl-2-oxo-1-oxaspiro[4.4]non-3-en-4-yl 3,3-dimethylbutanoate
  • Butanoic acid, 3,3-dimethyl-, 2-oxo-3-(2,4,6-trimethylphenyl)-1-oxaspiro[4.4]non-3-en-4-yl ester
  • Pesticide7_Spiromesifen_C23H30O4_2-Oxo-3-(2,4,6-trimethylphenyl)-1-oxaspiro[4.4]non-3-en-4-yl 3,3-dimethylbutanoate

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 solidexp.
Melting point
98 °Cexp.
Solubility
In water, 0.13 mg/L at 20 °Cexp.
Vapour pressure
1.5 × 10⁻⁴ mm Hg at 20 °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
370.49 g/molcalc.
Exact mass
370.2144 Dacalc.
LogP (octanol/water)
5.17calc.
Topological polar surface area
52.6 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
3calc.
Heavy atoms
27calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.57calc.
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, O=C1OC2(C=C1c1ccccc1)CCCC2

O=C1OC2(C=C1c1ccccc1)CCCC2

3 rings, 16 atoms.

4 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
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H317May cause an allergic skin reaction.
  • H332Harmful if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (13)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • 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

Spiromesifen suppliers

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

All 18 suppliers
19 of 19 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

18 suppliers in 7 countries

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Spiromesifen 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

Insecticides (tetronic acid insecticides).

Insecticide.

For use on cotton, field corn, ornamentals, pome fruit, strawberries, and vegetables.

Use classes: Insecticides.

Roles

  • insecticide
  • pesticide

Functional uses

  • Biocide

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 Spiromesifen 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 Spiromesifen is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Spiromesifen?

Spiromesifen is a butenolide that is but-2-en-4-olide bearing a 2,4,6-trimethylphenyl group at position 3, a 3,3-dimethylbutyryloxy group at position 4 and a spiro-fused cyclopentyl ring at position 5. It has a role as an insecticide.

What is the CAS number of Spiromesifen?

The CAS registry number of Spiromesifen is 283594-90-1.

What is the molecular formula and weight of Spiromesifen?

The molecular formula of Spiromesifen is C23H30O4 and its molar mass is 370.49 g/mol.

What is Spiromesifen used for?

Insecticides (tetronic acid insecticides). Insecticide. For use on cotton, field corn, ornamentals, pome fruit, strawberries, and vegetables. Use classes: Insecticides.

Is Spiromesifen hazardous?

Spiromesifen carries the GHS signal word "Warning". Main hazards: may cause an allergic skin reaction, harmful 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 Spiromesifen?

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

Where can I buy Spiromesifen?

CompoundList lists 18 suppliers of Spiromesifen in Brazil, China, India, United States 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 Spiromesifen in India?

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

What is the price of Spiromesifen?

Suppliers quote Spiromesifen 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 Spiromesifen

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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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