57-44-3
Barbital
CAS: 57-44-3
Molecular Formula: C8H12N2O3
57-44-3 - Names and Identifiers
| Name | Barbital |
| Synonyms | Diemal Barbital Barbitone barbital methanol Diethylmalonylurea Barbital(barbitone) BarbitonePh.Eur.+++ BARBITAL,POWDER,PURIFIED 5,5-diethylbarbituric acid barbital methanol solution 5,5-diethylpyrimidine-2,4,6(1H,3H,5H)-trione BARBITAL, FOR ANALYTICAL PURPOSE (EXPORT CONTROL) barbital free acid crystalline--dea*schedule iv I BARBITAL FREE ACID CRYSTALLINE--DEASCHED ULE IV ITE |
| CAS | 57-44-3 |
| EINECS | 200-331-2 |
| InChI | InChI=1/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) |
57-44-3 - Physico-chemical Properties
| Molecular Formula | C8H12N2O3 |
| Molar Mass | 184.19 |
| Density | 1.2200 |
| Melting Point | 188-192°C |
| Boling Point | 318.14°C (rough estimate) |
| Flash Point | 11°C |
| Water Solubility | 7.149g/L(25 ºC) |
| Color | Faintly bitter crystals from H2O; polymorphicforms; triagonal crystals, monoclinic prisms, monoclini |
| Merck | 13,965 |
| pKa | 7.43(at 25℃) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.4200 (estimate) |
| Physical and Chemical Properties | Colorless needle crystal or white powder. Melting point 188-192 ℃, soluble in hot water, ethanol, ether, chloroform. Dissolved in alkali hydroxide solution or alkali carbonate solution. No odor, slightly bitter taste. |
| Use | Used as chromatographic analysis reagent and hydrogen peroxide stabilizer |
57-44-3 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable R63 - Possible risk of harm to the unborn child R40 - Limited evidence of a carcinogenic effect R20 - Harmful by inhalation |
| Safety Description | S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. |
| UN IDs | UN 1230 3/PG 2 |
| WGK Germany | 3 |
| RTECS | CQ3500000 |
| Toxicity | LDLo orl-cat: 280 mg/kg PHREA7 19,472,39 |
