Malonic Acid
CAS: 141-82-2
Category: Carboxylic Acids
| Purity | Reagent Grade ≥99.0%, Pharmaceutical Intermediate Grade ≥99.0%, Industrial Grade ≥98.0% |
| Molecular Formula | C3H4O4 |
| Molecular Weight | 104.06 |
| Appearance | White crystalline powder or colorless crystalline solid, odorless, with a slightly acidic taste; freely soluble in water and alcohol |
| Packaging | 25 kg kraft paper bags with PE inner liner, 25 kg polyethylene bags, 500 kg or 1000 kg jumbo bags, or customized packaging according to customer requirements |
| Testing Indicators | Appearance — Visual inspection; Identification — Infrared spectroscopy (FTIR) and melting point determination; Assay/Purity — Acid-base titration or HPLC analysis; Melting point — Capillary method (ASTM E794); Loss on drying — Gravimetric method at 105°C; Water content — Karl Fischer titration (GB/T 6283); Heavy metals — ICP-MS or atomic absorption spectroscopy; Residue on ignition — Sulfated ash method; Related substances — HPLC analysis; Chloride and sulfate content — Ion chromatography or classical titration methods. |
| Storage Notes | Store in a cool, dry, and well-ventilated area. Keep containers tightly sealed and protected from moisture, heat, and direct sunlight. Avoid storage with strong oxidizing agents, strong bases, and reactive metals. Use clean and dry handling equipment to prevent contamination. |
| Lead Time | 10 days |
Malonic acid is a dibasic organic carboxylic acid widely used as a chemical intermediate in pharmaceutical, agrochemical, and fine chemical industries. It is an important raw material for the synthesis of barbiturates, vitamins, flavors, fragrances, and various organic compounds. It is also used in organic synthesis reactions such as Knoevenagel condensation and esterification processes.