Anodyne

Phenobarbital
Phenobarbital
Salts
[]
Sodium phenobarbital
Sodium phenobarbital
Molecular structure via molpic
Conformer structure via 3Dmol.js
Molecular formulaC12H12N2O3[1]
Molecular mass232.23 g/mol[1]
AppearanceCrystals (3 different phases)[1]
OdorOdorless[1]
TasteSlightly bitter taste[1]
Predicted LogP1.5[1]
Melting point345 to 352 °F (NTP, 1992)[1]
DecompositionWhen heated to decomposition it emits toxic fumes of /nitrogen oxides/.[1]
Solubility>34.8 [ug/mL] (The mean of the results at pH 7.4)[1]
Chiralityachiral[2]
Identifiers
[]
IUPAC name5-ethyl-5-phenyl-1,3-diazinane-2,4,6-trione[1]
SMILESCCC1(C(=O)NC(=O)NC1=O)C2=CC=CC=C2[1]
InChIInChI=1S/C12H12N2O3/c1-2-12(8-6-4-3-5-7-8)9(15)13-11(17)14-10(12)16/h3-7H,2H2,1H3,(H2,13,14,15,16,17)[1]
InChIKeyDDBREPKUVSBGFI-UHFFFAOYSA-N[1]
Dosing
Elimination half-life53–118 hours
Duration of action4 hours–2 days

Phenobarbital

Phenobarbital (also known as Phenobarbitone, Phenobarbitol, Phenylethylbarbiturate, Fenobarbital, Phenobarbituric acid, Phenylethylmalonylurea, Phenemal, Adonal, Nunol or Phenylethylbarbituric acid) is a substance of the barbiturate class.

Chemistry

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

Stereochemistry

Phenobarbital is a achiral mixture

See also