-
Name
DIMETHIRIMOL
- EINECS 226-021-7
- CAS No. 5221-53-4
- Density 1.07g/cm3
- Solubility 1.2 g l-1 (25 °C)
- Melting Point 103℃
- Formula C11H19 N3 O
- Boiling Point 296.1°Cat760mmHg
- Molecular Weight 209.291
- Flash Point 132.9°C
- Transport Information
- Appearance
- Safety Poison by intraperitoneal route. Moderately toxic by ingestion and possibly other routes. When heated to decomposition it emits toxic fumes of NOx.
- Risk Codes 21-52
-
Molecular Structure
- Hazard Symbols Xn
- Synonyms 4(1H)-Pyrimidinone,5-butyl-2-(dimethylamino)-6-methyl- (9CI); 4-Pyrimidinol,5-butyl-2-(dimethylamino)-6-methyl- (7CI,8CI);2-Dimethylamino-6-hydroxy-4-methyl-5-butylpyrimidine;5-Butyl-2-dimethylamino-4-hydroxy-6-methylpyrimidine; Dimethirimol;Dimethyrimol; Melkeb; Methyrimol; Milcurb; NSC 263490; PP 675
- PSA 49.25000
- LogP 1.89920
Dimethirimol Chemical Properties
Product Name: Dimethirimol (CAS NO.5221-53-4)
Molecular Formula: C11H19N3O
Molecular Weight: 209.29g/mol
Mol File: 5221-53-4.mol
Einecs: 226-021-7
Boiling point: 296.1 °C at 760 mmHg
Storage Temperature: 0-6°C
Flash Point: 132.9 °C
Density: 1.07 g/cm3
Surface Tension: 34.6 dyne/cm
Enthalpy of Vaporization: 53.58 kJ/mol
Vapour Pressure: 0.00147 mmHg at 25°C
XLogP3-AA: 1.9
H-Bond Donor: 1
H-Bond Acceptor: 3
IUPAC Name: 5-butyl-2-(dimethylamino)-6-methyl-1H-pyrimidin-4-one
Canonical SMILES: CCCCC1=C(NC(=NC1=O)N(C)C)C
InChI: InChI=1S/C11H19N3O/c1-5-6-7-9-8(2)12-11(14(3)4)13-10(9)15/h5-7H2,1-4H3,
(H,12,13,15)
InChIKey: CJHXCRMKMMBYJQ-UHFFFAOYSA-N
Dimethirimol Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| chicken | LD50 | oral | 4gm/kg (4000mg/kg) | Pesticide Manual. Vol. 9, Pg. 293, 1991. | |
| guinea pig | LD50 | oral | 500mg/kg (500mg/kg) | Pesticide Manual. Vol. 9, Pg. 293, 1991. | |
| mammal (species unspecified) | LD50 | unreported | 4gm/kg (4000mg/kg) | "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 423, 1971. | |
| mouse | LD50 | oral | 800mg/kg (800mg/kg) | "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 5, Pg. 79, 1976. | |
| rat | LD50 | oral | 2350mg/kg (2350mg/kg) | World Review of Pest Control. Vol. 9, Pg. 119, 1970. | |
| rat | LD50 | skin | > 400mg/kg (400mg/kg) | World Review of Pest Control. Vol. 9, Pg. 119, 1970. | |
| rat | LDLo | intraperitoneal | 200mg/kg (200mg/kg) | Nature. Vol. 219, Pg. 1160, 1968. |
Dimethirimol Safety Profile
Poison by intraperitoneal route. Moderately toxic by ingestion and possibly other routes. When heated to decomposition it emits toxic fumes of NOx.
Dimethirimol Specification
Dimethirimol ,its CAS NO. is 5221-53-4,the synonyms is 2-Dimethylamino-4-hydroxy-5-n-butyl-6-methylpyrimidine ; 2-Dimethylamino-4-methyl-5-n-butyl-6-hydroxypyrimidine ; 5-Butyl-2-(dimethylamino)-6-methyl-4(1h)-pyrimidinone ; 5-Butyl-2-(dimethylamino)-6-methyl-4-pyrimidinol ; 5-Butyl-2-dimethylamino-6-methyl-4-pyrimidino .
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