Substance
ID:735095
Names and Identifiers
IUPAC Traditional name
butyn-2-one
IUPAC name
but-3-yn-2-one
Synonyms
3-Butyn-2-one3-丁炔-2-酮Ethynyl methyl ketone
Registration numbers
CAS Number
MDL Number
Beilstein Number
EC Number
Properties
Safety Information
GHS Pictograms
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
Acute toxicity (oral, dermal, inhalation), categories 1,2,3
Flammable gases, category 1
Flammable aerosols, categories 1,2
Flammable liquids, categories 1,2,3
Self-reactive substances and mixtures, Types B,C,D,E,F
Pyrophoric liquids, category 1
Pyrophoric solids, category 1
Self-heating substances and mixtures
Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3
Organic peroxides, Types B,C,D,E,F
Hazard Class
3
European Hazard Symbols
Flammable (F)
Highly toxic (T+)GHS Precautionary statements
P210-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501A
TSCA Listed
否
Risk Statements
11-28-37/38-41
UN Number
UN1992
Packing Group
II
GHS Hazard statements
H225-H300-H315-H335-H318
Safety Statements
9-16-20-23-26-28-36/37/39-45
Product Information
Purity
98+%
Physical Property
Boiling Point
84-86°C
Flash Point
-1°C(30°F)
Refractive Index
1.4060
Density
0.870
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
• Reacts with Dimethyl acetone-1,3-dicarboxylate, A14969, under mild conditions to give a benzenoid product via a Michael addition - aldol cyclization process: Synth. Commun., 28, 1525 (1998):
• For a similar reaction, see Methyl 2-hexynoate, B23065.