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3-Ethyl-5-phenylhydantoin

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Name

3-Ethyl-5-phenylhydantoin

EINECS 201-665-1
CAS No. 86-35-1 Density 1.197 g/cm1.197 g/cm3
PSA 52.90000 LogP 0.87730
Solubility N/A Melting Point 94°C
Formula C11H12 N2 O2 Boiling Point 342.72°C (rough estimate)
Molecular Weight 204.228 Flash Point N/A
Transport Information N/A Appearance N/A
Safety Moderately toxic by ingestion, subcutaneous, and intraperitoneal routes. Experimental teratogenic effects. When heated to decomposition it emits toxic fumes of NOx. Risk Codes 22
Molecular Structure Molecular Structure of 86-35-1 (ETHOTOIN (200 MG)) Hazard Symbols N/A
Synonyms

Hydantoin,3-ethyl-5-phenyl- (6CI,7CI,8CI); (?à)-Ethotoin; 1-Ethyl-2,5-dioxo-4-phenylimidazolidine; 3-Ethyl-5-phenyl-2,4-imidazolidinedione;3-Ethyl-5-phenylhydantoin; 3-Ethyl-5-phenylimidazolidin-2,4-dione; AC-695;Accenon; Ethotoin; Peganone

Article Data 4

3-Ethyl-5-phenylhydantoin Chemical Properties

IUPAC Name: 3-ethyl-5-phenylimidazolidine-2,4-dione
Synonyms of 3-Ethyl-5-phenylhydantoin (CAS NO.86-35-1): (+-)-3-Ethyl-5-phenylhydantoin ; 1-Ethyl-2,5-dioxo-4-phenylimidazolidine ; 2,4-Imidazolidinedione, 3-ethyl-5-phenyl-, (+-)- ; 3-Ethyl-5-phenylimidazolidin-2,4-dione ; 5-24-08-00005 (Beilstein Handbook Reference) ; BRN 0188272 ; EINECS 201-665-1 ; Ethotoin ; Ethotoine ; Ethotoine [INN-French] ; Ethotoinum ; Ethotoinum [INN-Latin] ; Etotoina ; Etotoina [INN-Spanish] ; HSDB 3580 ; Peganone ; UNII-46QG38NC4U
CAS NO: 86-35-1
Molecular Formula of 3-Ethyl-5-phenylhydantoin (CAS NO.86-35-1): C11H12N2O2
Molecular Weight: 204.2252
Molecular Structure:

H bond acceptors: 4
H bond donors: 1
Freely Rotating Bonds: 2
Polar Surface Area: 40.62 Å2
Index of Refraction: 1.555
Molar Refractivity: 54.78 cm3
Molar Volume: 170.5 cm3
Surface Tension: 43.2 dyne/cm
Density of 3-Ethyl-5-phenylhydantoin (CAS NO.86-35-1): 1.197 g/cm3 
Melting point: 94°C

3-Ethyl-5-phenylhydantoin Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 923mg/kg (923mg/kg)   Drugs in Japan Vol. 6, Pg. 117, 1982.
mouse LD50 oral 1750mg/kg (1750mg/kg)   Drugs in Japan Vol. 6, Pg. 117, 1982.
mouse LD50 subcutaneous 1060mg/kg (1060mg/kg)   Drugs in Japan Vol. 6, Pg. 117, 1982.
rat LD50 intraperitoneal 625mg/kg (625mg/kg)   Drugs in Japan Vol. 6, Pg. 117, 1982.
rat LD50 oral 1500mg/kg (1500mg/kg)   Drugs in Japan Vol. 6, Pg. 117, 1982.
rat LD50 subcutaneous 1gm/kg (1000mg/kg)   Drugs in Japan Vol. 6, Pg. 117, 1982.

3-Ethyl-5-phenylhydantoin Safety Profile

Risk Statements: 22 
R22: Harmful if swallowed.
Moderately toxic by ingestion, subcutaneous, and intraperitoneal routes. Experimental teratogenic effects. When heated to decomposition it emits toxic fumes of NOx.

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