-
Name
2,3-dihydro-3-methyl-9H-isoxazolo[3,2-b]quinazolin-9-one
- EINECS
- CAS No. 37795-71-4
- Article Data2
- CAS DataBase
- Density 1.41g/cm3
- Solubility
- Melting Point
- Formula C11H10 N2 O2
- Boiling Point 330.8°Cat760mmHg
- Molecular Weight 202.213
- Flash Point 153.9°C
- Transport Information
- Appearance
- Safety Poison by intravenous and intraperitoneal routes. Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms NSC 294839;W 2451
- PSA 44.12000
- LogP 0.94220
3-Methyl-2,3-dihydro-9H-isoxazolo(3,2-b)quinazolin-9-one Chemical Properties
IUPAC Name: 3-methyl-2,3-dihydro-[1,2]oxazolo[3,2-b]quinazolin-9-one
Synonyms of 3-Methyl-2,3-dihydro-9H-isoxazolo(3,2-b)quinazolin-9-one (CAS NO.37795-71-4): W-2451 ; BRN 1076001 ; EINECS 253-671-9 ; NSC 294839 ; W 2451 ; 2,3-Dihydro-3-methyl-9H-isoxazolo(3,2-b)quinazolin-9-one ; 9H-Isoxazolo(3,2-b)quinazolin-9-one, 2,3-dihydro-3-methyl-
CAS NO: 37795-71-4
Molecular Formula of 3-Methyl-2,3-dihydro-9H-isoxazolo(3,2-b)quinazolin-9-one (CAS NO.37795-71-4): C11H10N2O2
Molecular Weight: 202.2093
Molecular Structure:
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H bond acceptors: 4
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 41.9 Å2
Index of Refraction: 1.692
Molar Refractivity: 54.65 cm3
Molar Volume: 142.5 cm3
Surface Tension: 53.7 dyne/cm
Density of 3-Methyl-2,3-dihydro-9H-isoxazolo(3,2-b)quinazolin-9-one (CAS NO.37795-71-4): 1.41 g/cm3
Flash Point: 153.9 °C
Enthalpy of Vaporization: 57.35 kJ/mol
Boiling Point: 330.8 °C at 760 mmHg
Vapour Pressure: 0.000162 mmHg at 25°C
3-Methyl-2,3-dihydro-9H-isoxazolo(3,2-b)quinazolin-9-one Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 600mg/kg (600mg/kg) | Toxicology and Applied Pharmacology. Vol. 37, Pg. 164, 1976. | |
| mouse | LD50 | intravenous | 243mg/kg (243mg/kg) | Toxicology and Applied Pharmacology. Vol. 37, Pg. 164, 1976. | |
| mouse | LD50 | oral | 860mg/kg (860mg/kg) | Toxicology and Applied Pharmacology. Vol. 37, Pg. 164, 1976. | |
| rat | LD50 | intraperitoneal | 670mg/kg (670mg/kg) | Toxicology and Applied Pharmacology. Vol. 37, Pg. 164, 1976. | |
| rat | LD50 | intravenous | 290mg/kg (290mg/kg) | Toxicology and Applied Pharmacology. Vol. 37, Pg. 164, 1976. | |
| rat | LD50 | oral | 765mg/kg (765mg/kg) | Toxicology and Applied Pharmacology. Vol. 37, Pg. 164, 1976. |
3-Methyl-2,3-dihydro-9H-isoxazolo(3,2-b)quinazolin-9-one Consensus Reports
Reported in EPA TSCA Inventory.
3-Methyl-2,3-dihydro-9H-isoxazolo(3,2-b)quinazolin-9-one Safety Profile
Poison by intravenous and intraperitoneal routes. Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx.
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