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(E)-3-nonen-2-one

Also known as: trans-3-Nonen-2-one, (E)-Non-3-en-2-one, 3-Nonen-2-one, (3E)-, trans-non-3-en-2-one, FEMA 3955

(E)-3-nonen-2-one (CAS 18402-83-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H16O and a molecular weight of 140.22300 g/mol. Key properties include a boiling point of 201.9ºC at 760 mmHg, a density of 0.848 g/mL at 25ºC(lit.) and a flash point of 81.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18402-83-0
Jingsj CID
J-802-6
Molecular Formula
C9H16O
Molecular Weight
140.22300 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point201.9ºC at 760 mmHg
Density0.848 g/mL at 25ºC(lit.)
Flash Point81.3ºC
Exact Mass140.12000
PSA17.07000
LogP2.71190
Refractive Indexn20/D 1.449(lit.)

Frequently Asked Questions

What is the CAS number of (E)-3-nonen-2-one?

The CAS number of (E)-3-nonen-2-one is 18402-83-0.

What are the molecular formula and molecular weight of (E)-3-nonen-2-one?

(E)-3-nonen-2-one has molecular formula C9H16O and molecular weight 140.22300 g/mol.

What are the upstream and downstream products of (E)-3-nonen-2-one?

For (E)-3-nonen-2-one, Upstream Products: Hexanal, Acetyl chloride, n-Butyllithium; Downstream Products: 3-Methyl-5-pentyl-2-cyclohexen-1-one, Xanthone, 2-Nonanone.

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

Last updated:

How to cite: Jingsj. "(E)-3-nonen-2-one (CAS 18402-83-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-802-6 (accessed 2026-11-09).

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