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Cas Database |
| Name |
2-Nitro-6H-dibenzo(b,d)pyran-6-one |
EINECS | N/A |
| CAS No. | 6623-66-1 | Density | 1.47g/cm3 |
| PSA | 76.03000 | LogP | 3.37760 |
| Solubility | N/A | Melting Point |
259-261 °C (dec.)(lit.) |
| Formula | C13H7 N O4 | Boiling Point | 577.7°C at 760 mmHg |
| Molecular Weight | 241.203 | Flash Point | 303.2°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Human mutation data reported. When heated to decomposition it emits toxic vapors of NOx. | Risk Codes | R36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
2-Biphenylcarboxylicacid, 2'-hydroxy-5'-nitro-, d-lactone (6CI); 2-Nitro-6H-dibenzo[b,d]pyran-6-one; NSC 55543 |
Article Data | 8 |
2-Nitro-6H-dibenzo(b,d)pyran-6-one Chemical Properties
Empirical Formula: C13H7NO4
Molecular Weight: 241.199 g/mol
Index of Refraction: 1.673
Density: 1.457 g/cm3
Flash Point: 222.5 °C
Enthalpy of Vaporization: 71.07 kJ/mol
Boiling Point: 451.6 °C at 760 mmHg
Vapour Pressure: 2.4E-08 mmHg at 25 °C
Structure of 2-Nitro-6H-dibenzo(b,d)pyran-6-one (CAS NO.6623-66-1):
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IUPAC Name of 2-Nitro-6H-dibenzo(b,d)pyran-6-one (CAS NO.6623-66-1): 2-Nitrobenzo[c]isochromen-6-one
2-Nitro-6H-dibenzo(b,d)pyran-6-one Toxicity Data With Reference
| 1. | mic-sat 1 ng/plate | MUREAV Mutation Research. 345 (1995),1. | ||
| 2. | mnt-hmn-lym 1500 µg/L | MUREAV Mutation Research. 393 (1997),23. |
2-Nitro-6H-dibenzo(b,d)pyran-6-one Safety Profile
Human mutation data reported. When heated to decomposition it emits toxic vapors of NOx.
Hazard Codes of 2-Nitro-6H-dibenzo(b,d)pyran-6-one (CAS NO.6623-66-1): 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
2-Nitro-6H-dibenzo(b,d)pyran-6-one Specification
2-Nitro-6H-dibenzo(b,d)pyran-6-one ,its cas register number is 6623-66-1. It also can be called 2-Biphenylcarboxylic acid, 2'-hydroxy-5'-nitro-, delta-lactone ; and 6H-Dibenzo(b,d)pyran-6-one, 2-nitro- .
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