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Dihydrojasmone

Also known as: 2-Pentyl-3-methyl-2-cyclopenten-1-one, 3-Methyl-2-pentyl-2-cyclopenten-1-one, Tetrahydropyrethrone, 2-Amyl-3-methyl-2-cyclopenten-1-one

Dihydrojasmone (CAS 1128-08-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H18O and a molecular weight of 166.26000 g/mol. Key properties include a boiling point of 120-121 °C12 mm Hg(lit.), a density of 0.916 g/mL at 25 °C(lit.) and a flash point of 110.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
1128-08-1
Jingsj CID
J-16547-9
Molecular Formula
C11H18O
Molecular Weight
166.26000 g/mol
Category
Ketones
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point120-121 °C12 mm Hg(lit.)
Density0.916 g/mL at 25 °C(lit.)
Flash Point110.0 °C
Exact Mass166.13600
PSA17.07000
LogP3.24610
Vapor Pressure0.0575mmHg at 25°C
Refractive Indexn20/D 1.479(lit.)

Activity & Biological Data

Additional Information[1]. Nakashita Y, et al. Conversion of nitroheptane to dihydrojasmone. Planta Med. 1985 Aug;51(4):349-50.

Customs & Trade Information

HS Code2914299000
Summary2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Dihydrojasmone?

The CAS number of Dihydrojasmone is 1128-08-1.

What are the molecular formula and molecular weight of Dihydrojasmone?

Dihydrojasmone has molecular formula C11H18O and molecular weight 166.26000 g/mol.

What are the upstream and downstream products of Dihydrojasmone?

For Dihydrojasmone, Upstream Products: cis-Jasmone, Heptanoyl chloride, Tetramethyltin; Downstream Products: Levulinic 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. "Dihydrojasmone (CAS 1128-08-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16547-9 (accessed 2026-11-09).

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