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Spiromesifen

Also known as: Oberon, UNII-N726NTQ5ZC, 2-oxo-3-(2,4,6-trimethylphenyl)-1-oxaspiro[4.4]non-3-en-4-yl 3,3-dimethylbutanoate, bsn 2060, Forbid

Spiromesifen (CAS 283594-90-1) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C23H30O4 and a molecular weight of 370.48200 g/mol. Key properties include a melting point of 98°, a boiling point of 531.1ºC at 760mmHg, a density of 1.12g/cm3 and a flash point of 266.7ºC. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction, H332 — Harmful if inhaled and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
283594-90-1
Jingsj CID
J-1493612-6
Molecular Formula
C23H30O4
Molecular Weight
370.48200 g/mol
Category
Esters
Last updated
8/21/2026
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Physicochemical Properties

Melting Point98°
Boiling Point531.1ºC at 760mmHg
Density1.12g/cm3
Flash Point266.7ºC
Exact Mass370.21400
PSA52.60000
LogP5.17190
Vapor Pressure0mmHg at 25°C
Refractive Index1.549
Storage Conditions0-6°C

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H317 — May cause an allergic skin reaction
  • H332 — Harmful if inhaled
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Spiromesifen?

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

What are the molecular formula and molecular weight of Spiromesifen?

Spiromesifen has molecular formula C23H30O4 and molecular weight 370.48200 g/mol.

Is Spiromesifen hazardous?

Spiromesifen has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction; H332 — Harmful if inhaled; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Spiromesifen?

For Spiromesifen, Upstream Products: Trimethylpyruvic acid, 1-Hydroxycyclopentanecarboxylic acid, tert-Butylacetic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Spiromesifen (CAS 283594-90-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1493612-6 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.