Pentobarbital sodium
[CAS# 57-33-0]

Identification

• Classification: API >> Nervous system medication >> Other nervous system medication
• Name: Pentobarbital sodium
• Synonyms: 5-Ethyl-5-(1-methylbutyl)-2,4,6-trioxohexahydropyrimidine sodium salt
• Molecular Formula: C₁₁H₁₇N₂NaO₃
• Molecular Weight: 248.25
• CAS Registry Number: 57-33-0
• EC Number: 200-323-9

Safety Data

• Hazard Symbols: T
• Risk Codes: R25
• Safety Description: S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H301
Reproductive toxicity	Repr.	2	H361
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Specific target organ toxicity - single exposure	STOT SE	1	H370
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H332

• Transport Information: UN 2811