5-ETHYL-5-PHENYLHYDANTOIN

Name	rac N-Desmethyl Mephenytoin
Synonyms	5-ETHYL-5-PHENYLHYDANTOIN rac N-Desmethyl Mephenytoin Hydantoin, 5-ethyl-5-phenyl- 3-ethyl-1-phenylimidazolidine-2,4-dione (RS)-5-Ethyl-5-phenyl-2,4-iMidazolidinedione (±)-5-Ethyl-5-phenyl-2,4-imidazolidinedione, (±)-5-Ethyl-5-phenylhydantoin
CAS	631-07-2
EINECS	211-150-3

Molecular Formula	C11H12N2O2
Molar Mass	204.23
Density	1.1754 (rough estimate)
Melting Point	195-200°C
Boling Point	342.72°C (rough estimate)
Water Solubility	804.4mg/L(37 ºC)
Solubility	acetone: soluble
Appearance	Solid
Color	off-white
pKa	pKa 8.5(H2ORTI undefined) (Uncertain)
Storage Condition	2-8°C
Refractive Index	1.5200 (estimate)

Hazard Symbols	Xn - Harmful
Risk Codes	R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany	2
RTECS	MU2452000