2-Ethylhexanoic acid CAS#149-57-5
Versatile Chemical Intermediate: Widely used in the production of paint dryers and plasticizers, serving as an important raw material in industrial applications.
Good Formulation Compatibility: Exhibits slight solubility in water, allowing it to be incorporated into various chemical systems and formulations.
Distinct Physical Properties: Appears as a colorless to light yellow liquid with a mild odor, providing favorable handling characteristics for industrial use.
Stable Industrial Performance: Offers reliable chemical functionality and can be utilized in diverse manufacturing processes requiring carboxylic acid derivatives.
Product Description of 2-Ethylhexanoic Acid CAS#149-57-5
2-Ethylhexanoic acid is a colorless to pale yellow liquid with a mild odor. It is combustible, although ignition may require some effort. The compound is slightly soluble in water and exhibits corrosive properties toward metals and tissues, requiring proper handling and storage precautions.
2-Ethylhexanoic acid is primarily used as an important chemical intermediate in the production of paint dryers and plasticizers, making it valuable in coatings, polymer, and related industrial applications.
2-Ethylhexanoic acid Chemical Properties
| Melting point | -59 °C |
| Boiling point | 228 °C(lit.) |
| density | 0.906 |
| vapor density | 4.98 (vs air) |
| vapor pressure | <0.01 mm Hg ( 20 °C) |
| refractive index | n20/D 1.425(lit.) |
| Fp | 230 °F |
| storage temp. | Store below +30°C. |
| solubility | 1.4g/l |
| form | Liquid |
| pka | pK1:4.895 (25°C) |
| color | Clear |
| Odor | Mild odour |
| PH | 3 (1.4g/l, H2O, 20℃) |
| PH Range | 3 at 1.4 g/l at 20 °C |
| biological source | synthetic |
| explosive limit | 1.04%, 135°F |
| Water Solubility | 2 g/L (20 ºC) |
| BRN | 1750468 |
| Exposure limits | ACGIH: TWA 5 mg/m3 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents, reducing agents, bases. |
| InChI | 1S/C8H16O2/c1-3-5-6-7(4-2)8(9)10/h7H,3-6H2,1-2H3,(H,9,10) |
| InChIKey | OBETXYAYXDNJHR-UHFFFAOYSA-N |
| SMILES | CCCCC(CC)C(O)=O |
| LogP | 2.7 at 25℃ |
| CAS DataBase Reference | 149-57-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Hexanoic acid, 2-ethyl-(149-57-5) |
| EPA Substance Registry System | 2-Ethylhexanoic acid (149-57-5) |
Safety Information
| Hazard Codes | Xn |
| Risk Statements | 63-41-37/38-20/21/22 |
| Safety Statements | 36/37-36/37/39-26-2 |
| RIDADR | UN 3265 8/PG 2 |
| WGK Germany | 1 |
| RTECS | MO7700000 |
| F | 13 |
| Autoignition Temperature | 699 °F |
| TSCA | TSCA listed |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 29159080 |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 |
| toxic compounds or compounds which causing chronic effects | |
| Hazard Classifications | Repr. 1B |
| Hazardous Substances Data | 149-57-5(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 3640 mg/kg LD50 dermal Rabbit > 2000 mg/kg |
