Butinone

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Structural formula
Structural formula of butynone
General
Surname Butinone
other names
  • But-3-in-2-one
  • Methyl ethynyl ketone
Molecular formula C 4 H 4 O
External identifiers / databases
CAS number 1423-60-5
EC number 215-834-2
ECHA InfoCard 100.014.395
PubChem 15018
Wikidata Q27120922
properties
Molar mass 68.08 g mol −1
Physical state

liquid

density

0.87 g cm −3 (25 ° C)

boiling point

85 ° C

Refractive index

1.406 (20 ° C)

safety instructions
GHS labeling of hazardous substances
02 - Highly / extremely flammable 06 - Toxic or very toxic

danger

H and P phrases H: 225-300-315-319-335
P: 210-261-264-301 + 310-305 + 351 + 338
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

Butynone is an organic compound with the molecular formula C 4 H 4 O. It belongs to the ketones with an additional C≡C triple bond and is the simplest representative in this series.

The connection serves, among other things, as a synthesis module.

Individual evidence

  1. a b c d e data sheet 3-Butyn-2-one from Sigma-Aldrich , accessed on June 1, 2019 ( PDF ).
  2. Thomas A. Bakka, Morten B. Strøm, Jeanette H. Andersen, Odd R. Gautun: Methyl propiolate and 3-butynone: Starting points for synthesis of amphiphilic 1,2,3-triazole peptidomimetics for antimicrobial evaluation , Bioorganic & Medicinal Chemistry , Volume 25, Issue 20, 15 October 2017, pp. 5380-5395; doi: 10.1016 / j.bmc.2017.07.060 ; PMID 28797773 .