Substance
ID:313934
Names and Identifiers
IUPAC name
2H-chromen-2-one
Synonyms
1-Benzopyran-2-one1,2-Benzopyrone1,2-苯并吡喃酮Coumarin香豆素1-苯并吡喃-2-酮2H-苯并吡喃-2-酮2H-Chromen-2-one
IUPAC Traditional name
coumarin
Properties
Product Information
Empirical Formula (Hill Notation)
C9H6O2
Safety Information
GHS Signal Word
Danger
GHS Hazard statements
H301
Hazard Class
6.1
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), categories 1,2,3
Risk Statements
22
RID/ADR
UN 2811 6.1/PG 3
RTECS
GN4200000
Packing Group
3
MSDS Link
European Hazard Symbols
Harmful (Xn)German water hazard class
3
UN Number
2811
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
GHS Precautionary statements
P301+P310
Safety Statements
36
Physical Property
Absorption Wavelength
λmax 273 nm
Melting Point
68-73 °C(lit.)
Boiling Point
298 °C(lit.)
Vapor Pressure
0.01 mmHg ( 47 °C)
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
No Data Available
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