4,4-DIMETHYL-2-PENTANONE

4,4-二甲基-2-戊酮

Also known as: 2-Pentanone,4,4-dimethyl-, 4,4-DIMETHYLPENTAN-2-ONE, 4,4-Dimethyl-2-pentanone, 4,4-dimethylpentan-2-one, EINECS 209-685-2, METHYL NEOPENTYL KETONE, MFCD00008854, Methyl neoamyl ketone, Methylneoamylketone, NEOPENTYL METHYL KETONE, neo-C5H11COCH3

4,4-DIMETHYL-2-PENTANONE (CAS 590-50-1) 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. It is also known as 2-Pentanone,4,4-dimethyl-, 4,4-DIMETHYLPENTAN-2-ONE and 4,4-Dimethyl-2-pentanone. Key properties include a melting point of -64 °C, a boiling point of 125-130 °C(lit.), a density of 0.809 g/mL at 25 °C(lit.) and a flash point of 66 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 590-50-1
Jingsj CID: J-48676-1
Molecular Formula: C₇H₁₄O
Chinese Name: 4,4-二甲基-2-戊酮
Molecular Weight: 114.18500 g/mol
Category: Ketones
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	-64 °C
Boiling Point	125-130 °C(lit.)
Density	0.809 g/mL at 25 °C(lit.)
Flash Point	66 °F

GHS Safety & Compliance

FlammableSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4,4-DIMETHYL-2-PENTANONE?

The CAS number of 4,4-DIMETHYL-2-PENTANONE is 590-50-1.

What are the molecular formula and molecular weight of 4,4-DIMETHYL-2-PENTANONE?

4,4-DIMETHYL-2-PENTANONE has molecular formula C7H14O and molecular weight 114.18500 g/mol.

Is 4,4-DIMETHYL-2-PENTANONE hazardous?

4,4-DIMETHYL-2-PENTANONE has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4,4-DIMETHYL-2-PENTANONE (CAS 590-50-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48676-1 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.