Barbital Stats & Data
PubChem
MW184.19
FormulaC8H12N2O3
LogP0.6
IUPAC5,5-diethyl-1,3-diazinane-2,4,6-trione
InChIKey
FTOAOBMCPZCFFF-UHFFFAOYSA-N
Psychoactive Class
Depressant
Pharmacology
DrugBank
State Solid
Description
A long-acting barbiturate that depresses most metabolic processes at high doses. It is used as a hypnotic and sedative and may induce dependence. Barbital is also used in veterinary practice for central nervous system depression. Barbital is a schedule IV controlled drug.
Tolerance & Pharmacokinetics
drugs.wikiTolerance Decay
Full tolerance
3d
Half tolerance
8d
Baseline
~14d
Acute tolerance: develops within a single session — the reset numbers above apply after sustained heavy use, not after one binge. Within-session tachyphylaxis usually resets largely overnight.