Anodyne

Pentobarbital

Pentobarbital
Pentobarbital
Salts
[]
Sodium Pentobarbital
Generated by the Chemistry Development Kit (http://github.com/cdk)
Molecular structure via molpic based on CDK
Physical properties
[]
226.27 g/mol [1]
AppearanceCrystals from alcohol [1]
OdorPractically odorless [1]
Melting point130 °C [1]
DecompositionWhen heated to decomposition it emits toxic fumes of /nitric oxide/. [1]
SolubilityA white, hygroscopic, crystalline powder or granules, odorless or with a slight characteristic odor, with a slightly bitter taste. Very sol in water and alcohol; practically insol in ether. A 10% soln in water has pH of 9.6 to 11 and slowly decomposes. /Pentobarbitone sodium/ [1]
2.1 [1]
Structural Identifiers
[]
C11H18N2O3 [1]
5-ethyl-5-pentan-2-yl-1,3-diazinane-2,4,6-trione [1]
CCCC(C)C1(C(=O)NC(=O)NC1=O)CC [1]
InChI=1S/C11H18N2O3/c1-4-6-7(3)11(5-2)8(14)12-10(16)13-9(11)15/h7H,4-6H2,1-3H3,(H2,12,13,14,15,16) [1]
InChIKeyWEXRUCMBJFQVBZ-UHFFFAOYSA-N [1]

Pentobarbital (also known as Pentobarbital, Pentobarbitone, Nembutal, Mebubarbital, Pentobarbituric acid, Ethaminal, Dorsital, Mebumal, 76-74-4 or Rivadorm) is a substance of the barbiturate class.

Chemistry

Salts []

Pentobarbital is typically found in the form of its sodium salt.

 []

Pentobarbital is a racemic mixture of the

Pharmacology

In the () pentobarbital acts

Metabolism

Subjective effects []

See also []

External links []

References []

  1. National Center for Biotechnology Information. PubChem Compound Summary for CID 4737, Pentobarbital. Accessed February 11, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/4737

  2. U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Pentobarbital. UNII: I4744080IR. Global Substance Registration System. Accessed February 11, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/I4744080IR