Barbituric Acid
CAS: 67-52-7
Category: Hydantoin
| Purity | Pharmaceutical Grade ≥99.0%, Reagent Grade ≥99.0%, Research Grade ≥98.0% |
| Molecular Formula | C4H4N2O3 |
| Molecular Weight | 128.09 |
| Appearance | White crystalline powder or colorless crystalline solid, odorless, slightly soluble in water, soluble in hot water and alkaline solutions |
| Packaging | 25 kg kraft paper bags with PE inner liner, 25 kg fiber drums, 500 kg or 1000 kg jumbo bags, or customized packaging according to customer requirements |
| Testing Indicators | Appearance — Visual inspection; Identification — Infrared spectroscopy (FTIR) and UV spectroscopy; Assay/Purity — Acid-base titration or HPLC analysis; Melting point — Capillary method; Loss on drying — Gravimetric method; Residue on ignition — Sulfated ash determination; Heavy metals — ICP-MS or atomic absorption spectroscopy; Related substances — HPLC analysis; Water content — Karl Fischer titration (GB/T 6283). |
| Storage Notes | Store in a cool, dry, and well-ventilated area. Keep containers tightly sealed and protected from moisture, heat, and direct sunlight. Avoid contact with strong oxidizing agents, strong acids, and strong bases. Store separately from incompatible materials. |
| Lead Time | 10 days |
Barbituric acid is a pyrimidine derivative and an important pharmaceutical intermediate. It is mainly used as a key intermediate for the synthesis of barbiturate drugs, including phenobarbital and other sedative-hypnotic compounds. It is also used in organic synthesis, pharmaceutical research, and the preparation of specialty chemicals.