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Cas Database |
| Name |
2H-1-Benzopyran-2-one,6-hydroxy- |
EINECS | N/A |
| CAS No. | 6093-68-1 | Density | 1.403 g/cm3 |
| PSA | 50.44000 | LogP | 1.49860 |
| Solubility | N/A | Melting Point |
249-253 °C(lit.) |
| Formula | C9H6 O3 | Boiling Point | 398.2 °C at 760 mmHg |
| Molecular Weight | 162.145 | Flash Point | 189.6 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | 26-36 | Risk Codes | 22-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xn
|
| Synonyms |
Coumarin,6-hydroxy- (7CI,8CI); 6-Hydroxycoumarin; Grevillone; NSC 226192; NSC 677227 |
Article Data | 3 |
2H-1-Benzopyran-2-one,6-hydroxy- Chemical Properties
Molecular Structure of 2H-1,4-Benzoxazin-3(4H)-one (CAS NO.6093-68-1):
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IUPAC Name: 6-hydroxychromen-2-one
Empirical Formula: C9H6O3
Molecular Weight: 162.1421
H bond acceptors: 3
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 35.53 Å2
Index of Refraction: 1.64
Molar Refractivity: 41.64 cm3
Molar Volume: 115.5 cm3
Surface Tension: 59.4 dyne/cm
Density: 1.403 g/cm3
Flash Point: 189.6 °C
Enthalpy of Vaporization: 67.41 kJ/mol
Boiling Point: 398.2 °C at 760 mmHg
Vapour Pressure: 6.52E-07 mmHg at 25°C
Melting Point: 249-253 °C(lit.)
Product Categories: Coumarins; Fused Ring Systems; Building Blocks; Heterocyclic Building Blocks
2H-1-Benzopyran-2-one,6-hydroxy- Safety Profile
Hazard Codes: 
Xn,
Xi
Risk Statements: 22-36/37/38
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
WGK Germany: 3
Hazard Note: Irritant
2H-1-Benzopyran-2-one,6-hydroxy- Specification
2H-1,4-Benzoxazin-3(4H)-one , with CAS number of 6093-68-1, can be called 2H-1-Benzopyran-2-one, 6-hydroxy- ; 6-Hydroxy-2h-chromen-2-one ; 6-hydroxycoumarin ; 6-Hydroxy-2H-chromen-2-one 97% ; 6-Hydroxy-2H-1-benzopyran-2-one .
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