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trans-4-(Dimethylamino)-3-buten-2-one

Also known as: (E)-4-(Dimethylamino)but-3-en-2-one, 1-Dimethylamino-but-1-en-3-one, 4-(Dimethylamino)-3-buten-2-one, 3-Buten-2-one, 4-(dimethylamino)-, (3E)-, 1-methyl-3-dimethylaminoprop-2-enone, MFCD00142611

trans-4-(Dimethylamino)-3-buten-2-one (CAS 2802-08-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H11NO and a molecular weight of 113.15800 g/mol. Key properties include a boiling point of 169.2ºC at 760mmHg, a density of 0.901g/cm3 and a flash point of 54.3ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2802-08-6
Jingsj CID
J-1504050-3
Molecular Formula
C6H11NO
Molecular Weight
113.15800 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point169.2ºC at 760mmHg
Density0.901g/cm3
Flash Point54.3ºC
Exact Mass113.08400
PSA20.31000
LogP0.65070
Vapor Pressure1.56mmHg at 25°C
Refractive Indexn20/D 1.557(lit.)
Storage Conditions2-8°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of trans-4-(Dimethylamino)-3-buten-2-one?

The CAS number of trans-4-(Dimethylamino)-3-buten-2-one is 2802-08-6.

What are the molecular formula and molecular weight of trans-4-(Dimethylamino)-3-buten-2-one?

trans-4-(Dimethylamino)-3-buten-2-one has molecular formula C6H11NO and molecular weight 113.15800 g/mol.

Is trans-4-(Dimethylamino)-3-buten-2-one hazardous?

trans-4-(Dimethylamino)-3-buten-2-one has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of trans-4-(Dimethylamino)-3-buten-2-one?

For trans-4-(Dimethylamino)-3-buten-2-one, Upstream Products: N,N-Dimethylformamide dimethyl acetal, trans-4-Methoxy-3-buten-2-one, Dimethylamine; Downstream Products: 1,3,5-Triacetylbenzene, 2-Amino-6-methyl-3-nitropyridine, N,N-Dimethylformamide.

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

Last updated:

How to cite: Jingsj. "trans-4-(Dimethylamino)-3-buten-2-one (CAS 2802-08-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504050-3 (accessed 2026-11-09).

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