4-Methyl(1,1,1,3,3-2H5)pentan-2-one

4-甲基-2-戊酮-1,1,1,3,3-d5

Also known as: 4-Methyl-2-pentanone-1,1,1,3,3-d5, Deuterated 4-methyl-2-pentanone, Deuterated methyl isobutyl ketone, Isopropylacetone-D5, 1,1,1,3,3-pentadeuterio-4-methylpentan-2-one, 4-Methyl-2-pentanone-d5, 2-Pentanone, 4-methyl-1,1,1,3,3-d5

4-Methyl(1,1,1,3,3-2H5)pentan-2-one (CAS 4840-81-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H7D5O and a molecular weight of 105.190 g/mol. It is also known as 4-Methyl-2-pentanone-1,1,1,3,3-d5, Deuterated 4-methyl-2-pentanone and Deuterated methyl isobutyl ketone. Key properties include a melting point of -80ºC(lit.), a boiling point of 116.5±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 13.3±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4840-81-7
Jingsj CID
J-13363-6
Molecular Formula
C6H7D5O
Chinese Name
4-甲基-2-戊酮-1,1,1,3,3-d5
Molecular Weight
105.190 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-80ºC(lit.)
Boiling Point116.5±8.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point13.3±0.0 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Methyl(1,1,1,3,3-2H5)pentan-2-one?

The CAS number of 4-Methyl(1,1,1,3,3-2H5)pentan-2-one is 4840-81-7.

What are the molecular formula and molecular weight of 4-Methyl(1,1,1,3,3-2H5)pentan-2-one?

4-Methyl(1,1,1,3,3-2H5)pentan-2-one has molecular formula C6H7D5O and molecular weight 105.190 g/mol.

Is 4-Methyl(1,1,1,3,3-2H5)pentan-2-one hazardous?

4-Methyl(1,1,1,3,3-2H5)pentan-2-one has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "4-Methyl(1,1,1,3,3-2H5)pentan-2-one (CAS 4840-81-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13363-6 (accessed 2026-10-25).

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