BARBITAL
- CAS No.
- 57-44-3
- Chemical Name:
- BARBITAL
- Synonyms
- VERONAL;Deba;BARBITONE;Barbitone acid;5,5-DIETHYLBARBITURIC ACID;DIETHYLBARBITURIC ACID;5,5-diethyl-1,3-diazinane-2,4,6-trione;Malona;Uronal;Diemal
- CBNumber:
- CB7380141
- Molecular Formula:
- C8H12N2O3
- Molecular Weight:
- 184.19
- MDL Number:
- MFCD00036212
- MOL File:
- 57-44-3.mol
- MSDS File:
- SDS
| Melting point | 188-192°C |
|---|---|
| Boiling point | 318.14°C (rough estimate) |
| Density | 1.2200 |
| refractive index | 1.4200 (estimate) |
| Flash point | 11 °C |
| storage temp. | 2-8°C |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 7.43(at 25℃) |
| color | Faintly bitter crystals from H2O; polymorphicforms; triagonal crystals, monoclinic prisms, monoclinicneedles, and triclinic cryst |
| Water Solubility | 7.149g/L(25 ºC) |
| Merck | 13,965 |
| Major Application |
forensics and toxicology pharmaceutical (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 |
| EWG's Food Scores | 1 |
| FDA UNII | 5WZ53ENE2P |
| ATC code | N05CA04 |
| EPA Substance Registry System | 5,5-Diethylbarbituric acid (57-44-3) |
| UNSPSC Code | 41116107 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302 | |||||||||
| Precautionary statements | P264-P270-P301+P312-P330-P501 | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Faceshields, Gloves | |||||||||
| Hazard Codes | Xn,T,F | |||||||||
| Risk Statements | 22-39/23/24/25-23/24/25-11-63-40-20 | |||||||||
| Safety Statements | 36-45-36/37-16-7 | |||||||||
| RIDADR | UN 1230 3/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | CQ3500000 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazard Classifications | Acute Tox. 4 Oral | |||||||||
| Toxicity | LDLo orl-cat: 280 mg/kg PHREA7 19,472,39 | |||||||||
| DEA Controlled Substances | CSCN: 2145 CSA SCH: Schedule IV NARC: No |
|||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704 |
|
BARBITAL price More Price(15)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | B0375 | Barbital | 57-44-3 | 25 g | $159 | 2026-04-30 | Buy |
| Sigma-Aldrich | B0375 | Barbital | 57-44-3 | 100 g | $552 | 2026-04-30 | Buy |
| Sigma-Aldrich | B0375 | Barbital | 57-44-3 | 500 g | $2080 | 2026-04-30 | Buy |
| Sigma-Aldrich | B0300000 | Barbital European Pharmacopoeia (EP) Reference Standard | 57-44-3 | 1 each | $152 | 2026-04-30 | Buy |
| Sigma-Aldrich | B0300000 | Barbital European Pharmacopoeia (EP) Reference Standard | 57-44-3 | 1 unit | $142 | 2025-07-31 | Buy |
BARBITAL Chemical Properties,Uses,Production
Description
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.
Description
Barbital (CRM) (Item No. 22854) is a certified reference material categorized as a barbiturate. Barbital is regulated as a Schedule IV compound in the United States. Barbital (CRM) (Item No. 22854) is provided as a DEA exempt preparation. This product is intended for research and forensic applications.
Chemical Properties
White crystals or powder; bitter taste; odorless. Stable in air. Soluble in hot water, alcohol, ether, acetone, and ethyl acetate.
Uses
Prototype of the barbiturate hypnotics.
Definition
ChEBI: A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by two ethyl groups. Formerly used as a hypnotic (sleeping aid).
brand name
Dormileno;Escoderm;Hypnogene;Hypnox;Lidor;Megal;Plexonal;Somnytic tablets;Verinogen;Verodon;Veroletten;Verolitten;Veronigen.
World Health Organization (WHO)
Barbital is a long-acting barbiturate which is controlled under Schedule IV of the 1971 Convention on Psychotropic Substances. See WHO comment for barbiturates. (Reference: (UNCPS4) United Nations Convention on Psychotropic Substances (IV), , , 1971)
Safety Profile
Poison by ingestion, intravenous,intraperitoneal, and subcutaneous routes. Ingestion causespsychological effects in humans. Mutation data reported.When heated to decomposition it emits toxic fumes ofNOx. An hypnotic andsedative.
Purification Methods
Crystallise barbital from water or EtOH and dry it in a vacuum over P2O5. [Beilstein 24 III/IV 1901.]
References
[1] BRYAN H. NORMAN. Benzopyrans Are Selective Estrogen Receptor β Agonists with Novel Activity in Models of Benign Prostatic Hyperplasia[J]. Journal of Medicinal Chemistry, 2006, 49 21: 6155-6157. DOI: 10.1021/jm060491j
[2] NESLIHAN ZENCIRCI. Crystal Polymorphs of Barbital: News about a Classic Polymorphic System[J]. Molecular Pharmaceutics, 2013, 11 1: 338-350. DOI: 10.1021/mp400515f
[3] FRANCISCO LóPEZ-MUOZ Cecilio A Ronaldo Ucha Udabe. The history of barbiturates a century after their clinical introduction.[J]. Neuropsychiatric Disease and Treatment, 2005, 1 4: 329-343.
