2,5-Hexanedione

Also known as: Acetonylacetone, 1,2-Diacetylethane, 2,5-Diketohexane, 2,5-Dioxohexane, Hexane-2,5-dione, α,β-Diacetylethane, Acetone, acetonyl-

2,5-Hexanedione (CAS 110-13-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H10O2 and a molecular weight of 114.142 g/mol. Key properties include a melting point of −6-−5 °C(lit.), a boiling point of 188.8±13.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 78.9±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H373 — May cause damage to organs through prolonged exposure. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 110-13-4
Jingsj CID: J-1107911-1
Molecular Formula: C₆H₁₀O₂
Molecular Weight: 114.142 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	−6-−5 °C(lit.)
Boiling Point	188.8±13.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	78.9±0.0 °C
Exact Mass	114.068077
PSA	34.14000
LogP	-0.27
Vapor Pressure	0.6±0.4 mmHg at 25°C
Refractive Index	1.406
Additional Property	miscible

GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H373 — May cause damage to organs through prolonged exposure

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 2,5-Hexanedione?

The CAS number of 2,5-Hexanedione is 110-13-4.

What are the molecular formula and molecular weight of 2,5-Hexanedione?

2,5-Hexanedione has molecular formula C6H10O2 and molecular weight 114.142 g/mol.

Is 2,5-Hexanedione hazardous?

2,5-Hexanedione has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H373 — May cause damage to organs through prolonged exposure.

What are the upstream and downstream products of 2,5-Hexanedione?

For 2,5-Hexanedione, Upstream Products: 2,5-Hexanediol, Chloroacetone, 1,5-Hexadiene; Downstream Products: 2-(2,5-Dimethyl-1H-pyrrol-1-yl)acetic Acid, 2-(2,5-dimethyl-1H-pyrrol-1-yl)pyridine, 1-(4-bromophenyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde.

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. "2,5-Hexanedione (CAS 110-13-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1107911-1 (accessed 2026-11-09).

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