Skip to main content

Methoprene

Also known as: 1-Methylethyl (2E,4E)-11-methoxy-3,7,11-trimethyldodeca-2,4-dienoate, 2,4-Dodecadienoic acid, 11-methoxy-3,7,11-trimethyl-, 1-methylethyl ester, (2E,4E)-, EINECS 254-993-2, Isopropyl (2E,4E)-11-methoxy-3,7,11-trimethyldodeca-2,4-dienoate, MFCD00072475, UNII:8B830OJ2UX, isopropyl (E,E)-(RS)-11-methoxy-3,7,11-trimethyldodeca-2,4-dienoate, isopropyl 11-methoxy-3,7,11-trimethyldodeca-2E,4E-1-dienoate, rac-propan-2-yl (2E,4E,7R)-11-methoxy-3,7,11-trimethyldodeca-2,4-dienoate

Methoprene (CAS 40596-69-8) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C19H34O3 and a molecular weight of 310.471 g/mol. Key properties include a melting point of 164ºC, a boiling point of 385.7±25.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 162.4±17.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40596-69-8
Jingsj CID
J-10828-9
Molecular Formula
C19H34O3
Molecular Weight
310.471 g/mol
Category
Esters
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point164ºC
Boiling Point385.7±25.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point162.4±17.8 °C
Exact Mass310.250793
PSA35.53000
LogP5.63
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.462

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H411 — Toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Methoprene?

The CAS number of Methoprene is 40596-69-8.

What are the molecular formula and molecular weight of Methoprene?

Methoprene has molecular formula C19H34O3 and molecular weight 310.471 g/mol.

Is Methoprene hazardous?

Methoprene has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Methoprene?

For Methoprene, Upstream Products: 7-Methoxy-3,7-dimethyloctanal, 3-Methylthiophene.

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

Last updated:

How to cite: Jingsj. "Methoprene (CAS 40596-69-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10828-9 (accessed 2026-11-06).

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