product Name |
Coumarin |
Synonyms |
2H-1-Benzopyran-2-one; COUMARINE; 1-Benzopyran-2-one; 1,2-Benzopyrone; Chromen-2-one; O-Oxy-Cinnamic Lactone ; 2H-chromen-2-one |
Molecular Formula |
C9H6O2 |
Molecular Weight |
146.1427 |
CAS Registry Number |
91-64-5 |
EINECS |
202-086-7 |
Molecular Structure |
|
Density |
1.248g/cm3 |
Melting point |
68-71℃ |
Boiling point |
298°C at 760 mmHg |
Refractive index |
1.594 |
Flash point |
118.3°C |
Water solubility |
1.7 g/L (20℃) |
Vapour Pressur |
0.0013mmHg at 25°C |
Hazard Symbols |
Xn:Harmful;
|
Risk Codes |
R20/21/22:;
R36/37/38:;
R40:;
|
Safety Description |
S26:;
S36/37:;
|
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