Product Description of Adipic acid CAS#124-04-9
Adipic acid (C₆H₁₀O₄) is a white crystalline solid with a slightly acidic odor and good chemical stability. It is an important industrial dicarboxylic acid and a key raw material for the manufacture of nylon 6,6, polyurethane, and various other chemical products. Adipic acid can participate in esterification and polymerization reactions, making it widely applicable in polymer and chemical industries.
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Chemical Properties of Adipic acid CAS#124-04-9
| Melting point | 151-154 °C(lit.) |
| Boiling point | 265 °C100 mm Hg(lit.) |
| density | 1,36 g/cm3 |
| bulk density | 700kg/m3 |
| vapor density | 5 (vs air) |
| vapor pressure | 1 mm Hg ( 159.5 °C) |
| FEMA | 2011 | ADIPIC ACID |
| refractive index | 1.4880 |
| Fp | 385 °F |
| storage temp. | Store below +30°C. |
| solubility | methanol: 0.1 g/mL, clear, colorless |
| pka | 4.43(at 25℃) |
| form | Solid |
| color | White |
| PH | 3.74(1 mM solution);3.22(10 mM solution);2.71(100 mM solution); |
| Odor | wh. monoclinic prisms, pract. odorless |
| biological source | synthetic |
| Water Solubility | 1.44 g/100 mL (15 ºC) |
| Merck | 14,162 |
| JECFA Number | 623 |
| BRN | 1209788 |
| Henry's Law Constant | 6.6×107 mol/(m3Pa) at 25℃, Burkholder et al. (2019) |
| Dielectric constant | 1.8(Ambient) |
| Stability: | Stable. Substances to be avoided include ammonia, strong oxidizing agents. |
| Major Application | flavors and fragrances |
| Cosmetics Ingredients Functions | FRAGRANCE BUFFERING |
| Cosmetic Ingredient Review (CIR) | Adipic acid (124-04-9) |
| InChI | 1S/C6H10O4/c7-5(8)3-1-2-4-6(9)10/h1-4H2,(H,7,8)(H,9,10) |
| InChIKey | WNLRTRBMVRJNCN-UHFFFAOYSA-N |
| SMILES | OC(=O)CCCCC(O)=O |
| LogP | 0.09 at 25℃ |
| CAS DataBase Reference | 124-04-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Hexanedioic acid(124-04-9) |
| EPA Substance Registry System | Adipic acid (124-04-9) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36-41 |
| Safety Statements | 26-39-24/25 |
| RIDADR | UN3077 |
| WGK Germany | 1 |
| RTECS | AU8400000 |
| Autoignition Temperature | 788 °F |
| TSCA | TSCA listed |
| HazardClass | 9 |
| HS Code | 29171210 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Dam. 1 |
| Hazardous Substances Data | 124-04-9(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 5700 mg/kg LD50 dermal Rabbit > 7940 mg/kg |
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Product Application of Adipic acid CAS#124-04-9
Adipic acid is primarily used as a raw material for the production of nylon 6,6 fibers and resins, which are widely used in textiles, engineering plastics, automotive components, and industrial materials. It is also an important component in the production of polyurethane foams, elastomers, coatings, and adhesives.
In addition, adipic acid is used in plasticizers, synthetic lubricants, food additives, and specialty chemicals. Its versatility and good chemical stability make it an important raw material across the polymer, plastics, textile, automotive, and chemical industries.
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