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HomeProduct name list3-Butyn-2-one

3-Butyn-2-one

  • CAS NO.:1423-60-5
  • Empirical Formula: C4H4O
  • Molecular Weight: 68.07
  • MDL number: MFCD00008775
  • EINECS: 215-834-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-09 09:30:58
3-Butyn-2-one Structural

What is 3-Butyn-2-one?

Chemical properties

clear yellow to orange-brown liquid

Chemical properties

3-Butyn-2-one is a clear, colorless liquid that is chemically reactive. It has a boiling point of 85.0°C. The autoignition temperature for 3-butyn-2-one is 274°C. 3-Butyn-2-one has a penetrating odor and is a lacrimator. 3-Butyn-2-one has a penetrating odor and is a lacrimator.

The Uses of 3-Butyn-2-one

3-Butyn-2-one was used in the synthesis of clerodane diterpenoid (+/-)-sacacarin. It was used as substrate in stereoselective, conjugate arylation mediated by gallium(III) chloride leading to (E)-α,β-unsaturated ketones.

Definition

ChEBI: Butyn-2-one is a methyl ketone and a terminal acetylenic compound. It is functionally related to a butan-2-one.

General Description

3-Butyn-2-one undergoes asymmetric double-Michael reaction with ortho-tosylamidophenyl malonate catalyzed by chiral aminophosphines to yield indolines. It undergoes double Michael reaction with nitrogen-containing tethered diacid to give pipecolic acid derivatives.

Properties of 3-Butyn-2-one

Boiling point: 85 °C(lit.)
Density  0.87 g/mL at 25 °C(lit.)
refractive index  n20/D 1.406(lit.)
Flash point: 28 °F
storage temp.  0-6°C
form  Liquid
color  Clear yellow to orange-brown
Specific Gravity 0.870
Water Solubility  It is soluble in water.
BRN  605353
CAS DataBase Reference 1423-60-5(CAS DataBase Reference)
NIST Chemistry Reference 3-Butyn-2-one(1423-60-5)
EPA Substance Registry System 3-Butyn-2-one (1423-60-5)

Safety information for 3-Butyn-2-one

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H225:Flammable liquids
H300:Acute toxicity,oral
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 3-Butyn-2-one

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