3-Heptyn-2-one

Also known as: 3-Heptin-2-on, 3-Heptyne-2-one, Acetyl-n-propylacetylen, Hept-3-in-2-on, hept-3-yn-2-one

3-Heptyn-2-one (CAS 26059-43-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H10O and a molecular weight of 110.15400 g/mol. Key properties include a boiling point of 154.3ºC at 760mmHg, a density of 0.884g/cm3 and a flash point of 50.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 26059-43-8
Jingsj CID: J-1030491-3
Molecular Formula: C₇H₁₀O
Molecular Weight: 110.15400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	154.3ºC at 760mmHg
Density	0.884g/cm3
Flash Point	50.5ºC
Exact Mass	110.07300
PSA	17.07000
LogP	1.37890
Vapor Pressure	3.19mmHg at 25°C
Refractive Index	1.435

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-Heptyn-2-one?

The CAS number of 3-Heptyn-2-one is 26059-43-8.

What are the molecular formula and molecular weight of 3-Heptyn-2-one?

3-Heptyn-2-one has molecular formula C7H10O and molecular weight 110.15400 g/mol.

What are the upstream and downstream products of 3-Heptyn-2-one?

For 3-Heptyn-2-one, Upstream Products: 3-heptyne, Pent-1-yne, N,N-Dimethylacetamide.

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-Heptyn-2-one (CAS 26059-43-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1030491-3 (accessed 2026-11-09).

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