5,5-dimethylhexane-2,4-dione

Also known as: 2,2-Dimethyl-3,5-hexanedione, 2,2-Dimethylhexane-3,5-dione, 5,5-Dimethyl-2,4-hexanedione, 5,5-Dimethyl-hexan-2,4-dione, Pivaloylacetone, keto form, AKOS MSC-0373

5,5-dimethylhexane-2,4-dione (CAS 7307-04-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H14O2 and a molecular weight of 142.19600 g/mol. Key properties include a boiling point of 165ºC, a density of 0.9412 and a flash point of 57ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7307-04-2
Jingsj CID: J-20190-1
Molecular Formula: C₈H₁₄O₂
Molecular Weight: 142.19600 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	165ºC
Density	0.9412
Flash Point	57ºC
Exact Mass	142.09900
PSA	34.14000
LogP	1.58070
Refractive Index	1.46

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

H226 — Flammable liquid and vapour
H302 — Harmful if swallowed
H319 — Causes serious eye irritation

Frequently Asked Questions

What is the CAS number of 5,5-dimethylhexane-2,4-dione?

The CAS number of 5,5-dimethylhexane-2,4-dione is 7307-04-2.

What are the molecular formula and molecular weight of 5,5-dimethylhexane-2,4-dione?

5,5-dimethylhexane-2,4-dione has molecular formula C8H14O2 and molecular weight 142.19600 g/mol.

Is 5,5-dimethylhexane-2,4-dione hazardous?

5,5-dimethylhexane-2,4-dione has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 5,5-dimethylhexane-2,4-dione?

For 5,5-dimethylhexane-2,4-dione, Upstream Products: Pinacolone, Ethyl acetate, Pivaloyl chloride; Downstream Products: Pinacolone, Ethyl pivalate, Ethyl acetate.

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. "5,5-dimethylhexane-2,4-dione (CAS 7307-04-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20190-1 (accessed 2026-11-09).

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