3-Methyl-2-hexanone

Also known as: 3-Methylhexan-2-one, Methyl 1-methylbutyl ketone, 3-Methylhexane-2-one, 1-Methylbutyl methyl ketone, Methyl sec-pentyl ketone

3-Methyl-2-hexanone (CAS 2550-21-2) 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 143.5ºC at 760mmHg, a density of 0.806g/cm3 and a flash point of 31ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2550-21-2
Jingsj CID: J-1993559-2
Molecular Formula: C₇H₁₄O
Molecular Weight: 114.18500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	143.5ºC at 760mmHg
Density	0.806g/cm3
Flash Point	31ºC
Exact Mass	114.10400
PSA	17.07000
LogP	2.01160
Vapor Pressure	5.32mmHg at 25°C
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 3-Methyl-2-hexanone?

The CAS number of 3-Methyl-2-hexanone is 2550-21-2.

What are the molecular formula and molecular weight of 3-Methyl-2-hexanone?

3-Methyl-2-hexanone has molecular formula C7H14O and molecular weight 114.18500 g/mol.

What are the upstream and downstream products of 3-Methyl-2-hexanone?

For 3-Methyl-2-hexanone, Upstream Products: 2-Hexanone, Methyl trifluoromethanesulfonate, 3-Methyl-2-hexanol; Downstream Products: 2,3-Dimethylhexane, 2,3-Dimethyl-2-hexanol, 2,3-dimethylhex-1-ene.

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-Methyl-2-hexanone (CAS 2550-21-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993559-2 (accessed 2026-11-09).

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