-
Name
2-PHENYLBUTYRYLUREA
- EINECS
- CAS No. 90-49-3
- Density 1.15g/cm3
- Solubility
- Melting Point 149.5°C
- Formula C11H14 N2 O2
- Boiling Point 345.1°C (rough estimate)
- Molecular Weight 206.244
- Flash Point
- Transport Information
- Appearance
- Safety Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms Urea,(2-phenylbutyryl)- (6CI,7CI,8CI); 1-[(Ethyl)phenylacetyl]urea;2-Phenylbutyrylurea; Benuride; EPA; Ethylphenacemide; Lircapyl; M 551; N-(a-Phenylbutyryl)urea; PBU;Pheneturide; Phenuride; Phenylethylacetylurea; S 46; dl-Pheneturide; a-Phenyl-a-ethylacetylurea
- PSA 72.19000
- LogP 2.46630
2-Phenylbutyrylurea Chemical Properties
IUPAC Name: N-Carbamoyl-2-phenylbutanamide
Synonyms of Phenylethylacetylurea (CAS NO.90-49-3) : a-Ethyl-a-phenylacetylurea ; a-Phenyl-a-ethylacetylurea ; Benzeneacetamide, N-(aminocarbonyl)-alpha-ethyl- ; N-(Aminocarbonyl)-a-ethylbenzeneacetamide ; N-(a-Phenylbutyryl)urea
CAS NO: 90-49-3
Molecular Formula:C11H14N2O2
Molecular Weight :206.2411
Molecular Structure :
EINECS: 201-998-2
Index of Refraction:1.547
Surface Tension: 46.8 dyne/cm
Density: 1.15 g/cm3
2-Phenylbutyrylurea Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | oral | 641mg/kg (641mg/kg) | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 91, Pg. 437, 1952. | |
| mouse | LD50 | intraperitoneal | 312mg/kg (312mg/kg) | Therapie. Vol. 22, Pg. 641, 1967. | |
| mouse | LD50 | oral | 910mg/kg (910mg/kg) | Drugs in Japan Vol. 6, Pg. 114, 1982. | |
| rabbit | LDLo | oral | 1gm/kg (1000mg/kg) | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 91, Pg. 437, 1952. | |
| rat | LD50 | oral | > 2063mg/kg (2063mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | Arzneimittel-Forschung. Drug Research. Vol. 18, Pg. 524, 1968. |
2-Phenylbutyrylurea Safety Profile
Phenylethylacetylurea (CAS NO.90-49-3) is moderately toxic by ingestion. When Phenylethylacetylurea (CAS NO.90-49-3) is heated to decomposition ,it emits toxic fumes of NOx.
RIDADR 3249
HazardClass 6.1(b)
PackingGroup III
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