2-Butanone-1,1,1,3,3-d5

2-丁酮-1,1,1,3,3-d5

Also known as: 2-Butanone-d5, 1,1,1,3,3-pentadeuteriobutan-2-one, 1,1,1,3,3-pentadeuterio-butan-2-one, 1,1,1,3,3-butanone-d5, 2-Butaneone-1,1,1,3,3-D5, Methyl-d3 ethyl-1,1-d2 ketone, butanone-d5, methyl-d3ethyl-1,1-d2ketone, Deuterated 2-butanone, MEK-1,1,1,3,3-D5

2-Butanone-1,1,1,3,3-d5 (CAS 24313-50-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H3D5O and a molecular weight of 77.13650 g/mol. It is also known as 2-Butanone-d5, 1,1,1,3,3-pentadeuteriobutan-2-one and 1,1,1,3,3-pentadeuterio-butan-2-one. Key properties include a melting point of -87ºC(lit.), a boiling point of 80ºC(lit.), a density of 0.860 g/mL at 25ºC and a flash point of 26 °F. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H319 — Causes serious eye irritation and H336 — May cause drowsiness or dizziness. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
24313-50-6
Jingsj CID
J-89893-7
Molecular Formula
C4H3D5O
Chinese Name
2-丁酮-1,1,1,3,3-d5
Molecular Weight
77.13650 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-87ºC(lit.)
Boiling Point80ºC(lit.)
Density0.860 g/mL at 25ºC
Flash Point26 °F
Exact Mass77.08890
PSA17.07000
LogP0.98540
Refractive Indexn20/D 1.379(lit.)

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H319 — Causes serious eye irritation
  • H336 — May cause drowsiness or dizziness

Frequently Asked Questions

What is the CAS number of 2-Butanone-1,1,1,3,3-d5?

The CAS number of 2-Butanone-1,1,1,3,3-d5 is 24313-50-6.

What are the molecular formula and molecular weight of 2-Butanone-1,1,1,3,3-d5?

2-Butanone-1,1,1,3,3-d5 has molecular formula C4H3D5O and molecular weight 77.13650 g/mol.

Is 2-Butanone-1,1,1,3,3-d5 hazardous?

2-Butanone-1,1,1,3,3-d5 has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H319 — Causes serious eye irritation; H336 — May cause drowsiness or dizziness.

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

Last updated:

How to cite: Jingsj. "2-Butanone-1,1,1,3,3-d5 (CAS 24313-50-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-89893-7 (accessed 2026-10-28).

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