3-Butyl-2,4-pentanedione

Also known as: 2,4-Pentanedione, 3-butyl-, 3-Acetyl-2-heptanone, 3-Butylacetylacetone, 3-Butylpentane-2,4-dione, 3-Butylpentanedione-2,4, 3-n-Butyl-2,4-pentanedione

3-Butyl-2,4-pentanedione (CAS 1540-36-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H16O2 and a molecular weight of 156.22200 g/mol. Key properties include a boiling point of 218ºC at 760mmHg, a density of 0.927 and a flash point of 78.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1540-36-9
Jingsj CID: J-35650-3
Molecular Formula: C₉H₁₆O₂
Molecular Weight: 156.22200 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	218ºC at 760mmHg
Density	0.927
Flash Point	78.5ºC
Exact Mass	156.11500
PSA	34.14000
LogP	1.97080
Vapor Pressure	0.00253mmHg at 25°C
Refractive Index	1.447

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-Butyl-2,4-pentanedione?

The CAS number of 3-Butyl-2,4-pentanedione is 1540-36-9.

What are the molecular formula and molecular weight of 3-Butyl-2,4-pentanedione?

3-Butyl-2,4-pentanedione has molecular formula C9H16O2 and molecular weight 156.22200 g/mol.

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-Butyl-2,4-pentanedione (CAS 1540-36-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35650-3 (accessed 2026-11-09).

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