3,6-Octanedione

Also known as: Octane-3,6-dione, 3,6-Octanedione (6CI, 7CI, 8CI, 9CI, ACI), AT-31115, OCTANE-3,6-DIONE, 3,6-octanedione

3,6-Octanedione (CAS 2955-65-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H14O2 and a molecular weight of 142.196 g/mol. Key properties include a melting point of 34-36ºC, a boiling point of 227.3±13.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 82.4±16.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2955-65-9
Jingsj CID: J-1368118-0
Molecular Formula: C₈H₁₄O₂
Molecular Weight: 142.196 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	34-36ºC
Boiling Point	227.3±13.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	82.4±16.8 °C
Exact Mass	142.099380
PSA	34.14000
LogP	0.79
Vapor Pressure	0.1±0.4 mmHg at 25°C
Refractive Index	1.420
Storage Conditions	-20°C

Customs & Trade Information

HS Code	2914190090
Summary	2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,6-Octanedione?

The CAS number of 3,6-Octanedione is 2955-65-9.

What are the molecular formula and molecular weight of 3,6-Octanedione?

3,6-Octanedione has molecular formula C8H14O2 and molecular weight 142.196 g/mol.

What are the upstream and downstream products of 3,6-Octanedione?

For 3,6-Octanedione, Upstream Products: Ethylmagnesium bromide, Diiodomethane, 3,5-Heptanedione; Downstream Products: 2,5-Diethylthiophene, 2,5-Diethyl-1H-pyrrole.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3,6-Octanedione (CAS 2955-65-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368118-0 (accessed 2026-11-09).

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