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: 2024-12-18 14:15:32
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 | n |
| 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) |
 Flame Flammables GHS02  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
3-Butyn-2-one manufacturer
ALS INDIA LIFE SCIENCES
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