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Adipic acid, also known as sebacic acid, with molecular formula C₆H₁₀O₄ and molecular weight 146.14, is an important aliphatic dicarboxylic acid. It occurs naturally in plants such as sugar beets. Adipic acid exhibits the general properties of aliphatic dicarboxylic acids, reacting with alcohols and amines to form esters and amides, and can also participate in polymerization reactions. Industrial production primarily employs cyclohexane oxidation for large-scale manufacturing, serving as a key monomer for synthesizing polymers like nylon 66.
| Item | Specification |
| Melting point | 151-154°C (lit.) |
| Boiling point | 265°C at 100 mmHg (lit.) |
| Bulk density | 700 kg/m³ |
| Density | 1.36 g/cm³ |
| Vapor Density | 5 (vs air) |
| Vapor Pressure | 1 mmHg (159.5°C) |
| Refractive Index | 1.4880 |
| Flash Point | 385°F |
| Acid Protonation Constant (pKa) | 4.43 (at 25°C) |
| Solubility | Sparingly soluble in cold water; readily soluble in hot water, ethanol, diethyl ether, acetone, and other organic solvents. |
Synthetic Materials: Polycondenses with hexamethylenediamine to form nylon 66 (polyamide 66), used in manufacturing fibers, engineering plastics, films, etc.; also used in producing polyurethane foam, polyester resins, plasticizers, etc.
Food Industry: Used as a food additive (acidity regulator) in products like jellies, beverages, and candies to adjust texture and stability. Permitted usage levels comply with national standards.
Other Fields: Employed in manufacturing lubricants, adhesives, coatings, dye intermediates, etc. In pharmaceuticals, serves as an intermediate for drug synthesis; in electroplating, used for metal surface treatment.
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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