Ethyl Isobutyl Ketone

Also known as: 5-methyl-3-hexanone, 5-methylhexan-3-one, 2-methyl-4-hexanone, 3-hexanone, 5-methyl-, isobutyl ethyl ketone, ethylisobutylketon, 5-methyl-hexan-3-one

Ethyl Isobutyl Ketone (CAS 623-56-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H14O and a molecular weight of 114.18500 g/mol. Key properties include a boiling point of 136ºC, a density of 0.81 g/cm3 and a flash point of 39ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 623-56-3
Jingsj CID: J-15365-1
Molecular Formula: C₇H₁₄O
Molecular Weight: 114.18500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	136ºC
Density	0.81 g/cm3
Flash Point	39ºC
Exact Mass	114.10400
PSA	17.07000
LogP	2.01160
Refractive Index	1.401

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 Ethyl Isobutyl Ketone?

The CAS number of Ethyl Isobutyl Ketone is 623-56-3.

What are the molecular formula and molecular weight of Ethyl Isobutyl Ketone?

Ethyl Isobutyl Ketone has molecular formula C7H14O and molecular weight 114.18500 g/mol.

What are the upstream and downstream products of Ethyl Isobutyl Ketone?

For Ethyl Isobutyl Ketone, Upstream Products: 5-Methyl-3-hexanol, Propionaldehyde, Isobutylene; Downstream Products: Isovaleric acid, acetic acid, Isobutyric acid.

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. "Ethyl Isobutyl Ketone (CAS 623-56-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15365-1 (accessed 2026-11-09).

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