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Basic Information
CAS No.: 115-67-3
Name: PARAMETHADIONE (500 MG)
Molecular Structure:
Molecular Structure of 115-67-3 (PARAMETHADIONE (500 MG))
Formula: C7H11 N O3
Molecular Weight: 157.169
Synonyms: 3,5-Dimethyl-5-ethyloxazolidine-2,4-dione;5-Ethyl-3,5-dimethyloxazolidine-2,4-dione; Paradione; Parametadione; Paramethadione
Density: 1.124g/cm3
Melting Point: 31-32 °C
Boiling Point: 178.7°Cat760mmHg
Flash Point: 61.9°C
Safety: Moderately toxic by ingestion and intraperitoneal routes. Experimental teratogenic effects. Other experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.
PSA: 46.61000
LogP: 0.70160
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Chemistry

IUPAC Name: 5-Ethyl-3,5-dimethyl-1,3-oxazolidine-2,4-dione
CAS: 115-67-3
The Molecular formula of 5-Ethyl-3,5-dimethyl-1,3-oxazolidine-2,4-dione (CAS NO.115-67-3): C7H11NO3
The Molecular Weight of 5-Ethyl-3,5-dimethyl-1,3-oxazolidine-2,4-dione (CAS NO.115-67-3): 157.16714

Density: 1.124 g/cm3 
Flash Point: 61.9 °C
Boiling Point: 178.7 °C at 760 mmHg  
Index of Refraction: 1.454 
Molar Refractivity: 37.91 cm3 
Molar Volume: 139.8 cm3 
Polarizability: 15.03×10-24cm3 
Surface Tension: 32.5 dyne/cm 
Enthalpy of Vaporization: 41.5 kJ/mol 
Vapour Pressure: 0.976 mmHg at 25°C 
Water Solubility: 8404 (mg/L) at 25°C

Toxicity Data With Reference

1.    

orl-mus LD50:1000 mg/kg

     27ZQAG    Psychotropic Drugs and Related Compounds E. Usdin andD.H. Efron,2nd ed.,Washington, DC.: 1972,280.
2.    

ipr-mus LD50:750 mg/kg

     27ZQAG    Psychotropic Drugs and Related Compounds E. Usdin andD.H. Efron,2nd ed.,Washington, DC.: 1972,280.

Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. Experimental teratogenic effects. Other experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.

Specification

  The chemical synonyms of 5-Ethyl-3,5-dimethyl-1,3-oxazolidine-2,4-dione (CAS NO.115-67-3) are Paramethadione (500 MG) ; 2,4-Oxazolidinedione, 5-ethyl-3,5-dimethyl- ; 3,5-dimethyl-5-ethyloxazolidine-2,4-dione ; 5-Ethyl-3,5-dimethyl-1,3-oxazolidine-2,4-dione ; 5-Ethyl-3,5-dimethyl-2,4-oxazolidinedione ; 5-ethyl-3,5-dimethyl-4-oxazolidinedione ; 5-Ethyl-3,5-dimethyloxazolidine-2,4-dione ; 5-ethyl-3,5-dimethyloxazolidine-2.4-dione . It can be used as a antiepileptic drug.