Barbital
VERONAL · Deba · BARBITONE · Barbitone acid · 5,5-DIETHYLBARBITURIC ACID · DIETHYLBARBITURIC ACID · 5,5-diethyl-1,3-diazinane-2,4,6-trione · Malona

Identifikatoren & physikalische Daten
| CAS No. | 57-44-3 |
|---|---|
| Summenformel | C8H12N2O3 |
| Durchschnittliche Molmasse | 184,19 g/mol |
| Monoisotopische Masse | 184,08479224 g/mol |
| SMILES | CCC1(CC)C(=O)NC(=O)NC1=O |
| InChIKey | FTOAOBMCPZCFFF-UHFFFAOYSA-N |
| PubChem CID | 2294 |
| ChEMBL | CHEMBL444 |
| ChEBI | CHEBI:31252 |
| EC No. | 200-331-2 |
| DTXSID | DTXSID5022643 |
| Lokaler Name | Barbital |
Chemische & physikalische Eigenschaften
| XLogP | 0,6 |
|---|---|
| Polarare Oberfläche (TPSA) | 75,3 |
| H-Brücken-Donoren | 2 |
| H-Brücken-Akzeptoren | 3 |
| Frei drehbare Bindungen | 2 |
| Schwere Atome | 13 |
| Formalladung | 0 |
| Komplexität | 247 |
| Arzneimittel | DEA NFLIS-Drug Category -> Depressants and TranquilizersDEA Schedule IV Controlled Substance -> DepressantsPharmaceuticals -> BarbituratesPharmaceuticals -> Listed in ZINC15Pharmaceuticals -> Synthetic Cannabinoids or Psychoactive Compounds |
| SpringerMaterials Properties | Crystal structure |
| LogP (Verteilungskoeffizient) | 0.71 |
| Animal Drugs | Pharmaceuticals -> Animal Drugs -> Approved in Taiwan |
| Dissociation Constants | 8.14 (at 15 °C) |
| Collision Cross Section | 145.28 Ų [M+K]+ [CCS Type: TWMethod: calibrated with polyalanine and drug standards] |
| Schmelzpunkt | 188-192°C |
| Siedepunkt | 318.14°C (rough estimate) |
| Dichte | 1.2200 |
| Brechungsindex | 1.4200 (estimate) |
| Flammpunkt | 11 °C |
| Lagerbedingungen | 2-8°C |
| Löslichkeit | DMSO (Slightly), Methanol (Slightly)7.149g/L(25 ºC) |
| Aggregatzustand | Solid |
| pKa (Säurekonstante) | 7.43(at 25℃) |
| Farbe | Faintly bitter crystals from H2Opolymorphicformstriagonal crystals, monoclinic prisms, monoclinicneedles, and triclinic cryst |
| Merck | 13,965 |
| Hauptanwendungen | forensics and toxicologypharmaceutical (small molecule)veterinary |
| InChI | 1S/C8H12N2O3/c1-3-8(4-2)5(11)9-7(13)10-6(8)12/h3-4H2,1-2H3,(H2,9,10,11,12,13) |
| InChIKey | FTOAOBMCPZCFFF-UHFFFAOYSA-N |
| SMILES | CCC1(CC)C(=O)NC(=O)NC1=O |
| EPA chemische Informationen | 5,5-Diethylbarbituric acid (57-44-3) |
Sicherheit & Vorschriften
| GHS-Einstufung | WarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 40 reports by companies from 1 notifications to the ECHA C&L Inventory. |
|---|---|
| Regulatorische Informationen | DEA schedule IV controlled substanceStatus: Active Update: 26-05-2016 https://echa.europa.eu/registration-dossier/-/registered-dossier/17765Barbitone: Does not have an individual approval but may be used under an appropriate group standard |
| Weitere Sicherheitsinformationen | IMAP assessments - 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5-diethyl-: Human health tier I assessment |
| Hazard Classes and Categories | Acute Tox. 4 (100%) |
| Wassergefährdungsklasse (WGK) | 3 |
| UN-Transportnummer | UN 1230 3/PG 2 |
| RTECS-Nr. | CQ3500000 |
| R-Sätze (R) | 22-39/23/24/25-23/24/25-11-63-40-20 |
| Toxizität | LDLo orl-cat: 280 mg/kg PHREA7 19,472,39 |
| Gefahrensymbole | Xn,T,F |
| Sicherheitshinweise (S) | 36-45-36/37-16-7 |
| Lagerklasse | 11 - Combustible Solids |
| Gefahrenklasse | Acute Tox. 4 Oral |
| DEA Controlled Substances | CSCN: 2145CSA SCH: Schedule IVNARC: No |
Anwendungen & Verwendung
Beschreibung
Die 5,5-Diethylbarbitursäure bildet farb- und geruchlose Blättchen mit schwach bitterem Geschmack. Die Darstellung nach der obigen Vorschrift gelang erstmals 1906 den deutschen Chemikern Joseph Freiherr von Mehring, Emil Fischer und Alfred Dilthey. Das Pr
Beschreibung
Barbital is an analytical reference material that is categorized as a barbiturate. It acts as an agonist at GABAA receptors to induce central nervous system depression. Formulations containing barbital have been used as a sedative to treat insomnia and seizures in human and veterinary medicine. Barbital is regulated as a Schedule IV compound in the United States. This product is intended for research and forensic applications.
Verwenden
Prototype of the barbiturate hypnotics.