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Cas Database |
| Name |
2-Methyl-4(3H)-quinazolinone |
EINECS | 217-189-2 |
| CAS No. | 1769-24-0 | Density | 1.26 g/cm3 |
| PSA | 45.75000 | LogP | 1.23150 |
| Solubility | N/A | Melting Point |
231-233 °C(lit.) |
| Formula | C9H8 N2 O | Boiling Point | 305.4 °C at 760 mmHg |
| Molecular Weight | 160.175 | Flash Point | 138.5 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Moderately toxic by ingestion, intraperitoneal and parenteral routes. When heated to decomposition it emits toxic fumes of NOx. | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
4(1H)-Quinazolinone,2-methyl- (7CI,9CI); 4-Quinazolinol, 2-methyl- (8CI);2-Methyl-3H-quinazolin-4-one; 2-Methyl-4(3H)-quinazolinone;2-Methyl-4(3H)-quinazolone; 2-Methyl-4-oxoquinazoline; 2-Methyl-4-quinazolinol;2-Methyl-4-quinazolinone; 2-Methyl-4-quinazolone; 2-Methylquinazolone;3H-2-Methyl-4-oxoquinazoline; 4-Hydroxy-2-methylquinazoline; NSC 12005; NSC2757 |
Article Data | 240 |
2-Methyl-4(3H)-quinazolinone Chemical Properties
Chemistry informtion about 2-Methyl-4-Quinazolinone (CAS NO.1769-24-0) is:
IUPAC Name: 2-Methyl-1h-Quinazolin-4-One
Synonyms: 2-Methyl-4(1h)-Quinazolinon ; 2-Methyl-4(1h)-Quinazolinone ; 2-Methyl-4(3h)-Quinazolinon ; 2-Methyl-4-Quinazolino ; 2-Methyl-4-Quinazolinone ; 2-Methyl-4-Quinazolone ; 2-Methyl-Chinazolinone(4) ; 2-Methylquinazolone
Product Categories: Building Blocks ; Heterocyclic Building Blocks ; Quinazolines
MF: C9H8N2O
MW: 160.17
EINECS: 217-189-2
Density: 1.26 g/cm3
Melting Point: 231-233 °C(lit.)
Flash Point: 138.5 °C
Boiling Point: 305.4 °C at 760 mmHg
Vapour Pressure: 0.000826 mmHg at 25°C
Enthalpy of Vaporization: 54.58 kJ/mol
Following is the molecular structure of 2-Methyl-4-Quinazolinone (CAS NO.1769-24-0) is:
2-Methyl-4(3H)-quinazolinone Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 592mg/kg (592mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 12, Pg. 1204, 1962. | |
| mouse | LD50 | oral | 859mg/kg (859mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 12, Pg. 1204, 1962. | |
| mouse | LD50 | parenteral | 500mg/kg (500mg/kg) | autonomic nervous system: "smooth muscle relaxant (mechanism undefined, spasmolytic)" behavioral: tremor behavioral: muscle weakness | Pharmaceutical Chemistry Journal Vol. 7, Pg. 626, 1973. |
2-Methyl-4(3H)-quinazolinone Safety Profile
Moderately toxic by ingestion, intraperitoneal and parenteral routes. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes:
Xi
Risk Statements:
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements:
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.
WGK Germany: 3
RTECS: VA3677000
2-Methyl-4(3H)-quinazolinone Specification
To protect yourself, you can put on dust mask type N95 (US), eyeshields, gloves.
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