Ethyl 4-chloroacetoacetate
CAS: 638-07-3
Category: Organic Intermediates
| Purity | Industrial Grade ≥98%, Reagent Grade ≥99%, High-Purity Grade ≥99.5% |
| Molecular Formula | C6H9ClO3 |
| Molecular Weight | 164.59 |
| Appearance | Colorless to pale yellow transparent liquid with a characteristic ester odor |
| Packaging | 100 mL, 500 mL, 1 L amber glass bottle; 25 kg or 200 kg polyethylene-lined steel drum for bulk packaging |
| Testing Indicators | Appearance — Visual inspection; Identification — FTIR spectroscopy and 1H NMR spectroscopy; Purity — GC-FID analysis; Water content — Karl Fischer titration; Density — Hydrometer method (ASTM D4052); Refractive index — Abbe refractometer (ASTM D1218); Residual solvents — GC analysis; Chloride content — Ion chromatography or argentometric titration; Assay — Gas chromatography according to internal or pharmacopeial standards. |
| Storage Notes | Store in a cool, dry, and well-ventilated area away from heat, sparks, and direct sunlight. Keep containers tightly sealed. Avoid contact with strong bases, strong oxidizing agents, and moisture. Store under inert atmosphere for long-term storage when possible. |
| Lead Time | 10 days |
Used as an important organic synthesis intermediate. It is widely applied in the preparation of pharmaceuticals, agrochemicals, heterocyclic compounds, and fine chemical products. It serves as a precursor for the synthesis of substituted pyridines, quinolines, pyrazoles, and other bioactive molecules.