Phenobarbital
[CAS# 50-06-6]

Identification

• Classification: API >> Nervous system medication >> Other nervous system medication
• Name: Phenobarbital
• Synonyms: Luminal; 5-Ethyl-5-phenyl-2,4,6-pyrimidinetrione; 5-Ethyl-5-phenylbarbituric acid
• Molecular Formula: C₁₂H₁₂N₂O₃
• Molecular Weight: 232.24
• CAS Registry Number: 50-06-6
• EC Number: 200-007-0

Properties

• Melting point: 174 °C
• Water solubility: <0.01 g/100 mL at 14 °C

Safety Data

• Hazard Symbols: T
• Risk Statements: R25;R40;R43;R61
• Safety Statements: S53;S36/37;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H301
Skin sensitization	Skin Sens.	1	H317
Carcinogenicity	Carc.	2	H351
Reproductive toxicity	Repr.	1B	H360
Reproductive toxicity	Repr.	1A	H360
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	3	H311
Reproductive toxicity	Lact.	-	H362
Specific target organ toxicity - single exposure	STOT SE	3	H336
Reproductive toxicity	Repr.	2	H361

• Transport Information: UN 2811
• Controlled Substance: DEA Drug Code Number: 2285