Barbital
SIGMA/31995 - BioXtra, ≥99.0% (T)
Synonym: 5,5-
CAS Number: 57-44-3
Empirical Formula (Hill Notation): C8H12N2O3
Molecular Weight: 184.19
EC Number: 200-331-2
MDL Number: MFCD00036212
Linear Formula: C8H12N2O3
Product Type: Chemical
| anion traces | chloride (Cl-): ≤500 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| application(s) | forensics and toxicology pharmaceutical (small molecule) veterinary |
| assay | ≥99.0% (T) |
| cation traces | Ca: ≤50 mg/kg |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤5 mg/kg | |
| K: ≤50 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Na: ≤200 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| drug control | USDEA Schedule IV; regulated under CDSA - not available from Sigma-Aldrich Canada; psicótropo (Spain); Decreto Lei 15/93: Tabela IV (Portugal); Pszichotróp anyag / Psychotropic Substance (Hungary), 78/2022. (XII. 28.) BM rendelet |
| ign. residue | ≤0.1% (as SO4) |
| InChI | 1S/C8H12N2O3/c1-3-8(4-2)5 |
| InChI key | FTOAOBMCPZCFFF-UHFFFAOYSA |
| loss | ≤0.5% loss on drying, 20 °C (HV) |
| mp | 189-191 °C |
| product line | BioXtra |
| Quality Level | 200  |
| SMILES string | CCC1(CC)C(=O)NC(=O)NC1=O |
| solubility | acetone: soluble |
| alcohol: soluble 1 gm in 14 ml | |
| chloroform: soluble 1 gm in 75 ml | |
| diethyl ether: soluble 1 gm in 35 ml | |
| ethyl acetate: soluble | |
| nitrobenzene: soluble | |
| petroleum ether: soluble | |
| pyridine: soluble | |
| water: soluble 1 gm in 13 ml (boiling) | |
| water: soluble 1 gm in 130 ml | |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable |
| Application: | Barbital has been used as an assay buffer for determining the carbonic anhydrase activity. It has also been used for rocket immunoelectrophoresis. |
| Biochem/physiol Actions: | Barbital also referred to as 5,5-Diethylbarbituric acid, Barbitone or Veronal is a sedative/hypnotic (sleeping aid). It stimulates the development of tumors in rats treated with a sub-effective dose of N-bis(2-hydroxypropyl)nit |
| Biochem/physiol Actions: | Sedative/hypnotic |
| Other Notes: | Sales restrictions may apply |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 |
| Hazard Codes | Xn |
| Risk Statements | 22 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (T) |
| mp | 189-191 °C |
| UNSPSC | 12352111 |