3-tert-butylpentane-2,4-dione

Also known as: 2,4-Pentanedione, 3-(1,1-dimethylethyl)-, 3-(tert-Butyl)-2,4-pentanedione, 3-(tert-Butyl)pentane-2,4-dione, 3-tert-Butylacetylacetone, 3-tert-Butylacenylaceton, butylpentanedione, 3-(tert-Butyl)pentan-2,4-dione, tech grade, 3-(tert-Butyl)pentane-2,4-dione, tech

3-tert-butylpentane-2,4-dione (CAS 13221-94-8) 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 205.7ºC at 760 mmHg, a density of 0.909g/cm3 and a flash point of 73.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13221-94-8
Jingsj CID: J-1083630-3
Molecular Formula: C₉H₁₆O₂
Molecular Weight: 156.22200 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	205.7ºC at 760 mmHg
Density	0.909g/cm3
Flash Point	73.2ºC
Exact Mass	156.11500
PSA	34.14000
LogP	1.82670
Vapor Pressure	0.247mmHg at 25°C
Refractive Index	1.422

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-tert-butylpentane-2,4-dione?

The CAS number of 3-tert-butylpentane-2,4-dione is 13221-94-8.

What are the molecular formula and molecular weight of 3-tert-butylpentane-2,4-dione?

3-tert-butylpentane-2,4-dione has molecular formula C9H16O2 and molecular weight 156.22200 g/mol.

What are the upstream and downstream products of 3-tert-butylpentane-2,4-dione?

For 3-tert-butylpentane-2,4-dione, Upstream Products: 2,4-Pentanedione, tert-Butanol, Isobutylene; Downstream Products: Ethyl 4-tert-butyl-3,5-dimethyl-1H-pyrrole-2-carboxylate.

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-tert-butylpentane-2,4-dione (CAS 13221-94-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1083630-3 (accessed 2026-11-09).

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