2-Ethylhexanoic Acid
2-EHA
- CAS
- 149-57-5
- EC
- 205-743-6
- Sectors
- Coatings, Adhesives, Sealants & Elastomers, Lubricants & Metalworking, Plastics & Polymers
2-Ethylhexanoic Acid (CAS 149-57-5) is a clear, colorless organic acid supplied as a technical-grade liquid; it acts as a chemical intermediate used in the production of esters, metal-salt paint driers, lubricant additives and plasticizers for plastics. Density 0.903 g/cm³, boiling point 228°C, melting point -83°C, flash point 118°C; slightly soluble in water (2 g/L), miscible with organics; mild odor, used in esters production.
Typical Properties
| Molecular formula | C8H16O2 |
|---|---|
| Molecular weight | 144.21 g/mol |
| Appearance | colourless liquid |
| Form | Liquid |
| Color | Clear |
| Odor | Mild odour |
| Melting point | -59 °C |
| Boiling point | 228 °C |
| Density | 0.9031 g/cm³ @ Temp: 25 °C |
| Water solubility | 2 g/L (20 °C) |
| Flash point | 230 °F |
| pH | 3 (1.4g/l, H2O, 20°C) |
| GHS signal word | Warning · Corrosive, Irritant / harmful, Health hazard |
| HS code | 29159080 |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
2-Ethylhexanoic Acid
Applications
Used in paint driers as metal salts; lubricants as additives; plastics as plasticizers; pharmaceuticals as intermediates; cosmetics for emollients; in chemical synthesis.
Safety & Risks
Corrosive to skin/eyes; reproductive toxin. Combustible; avoid oxidizers. Stable; use PPE, ventilate; monitor for developmental effects.
Packaging
Packaged in 190kg iron drums or IBC totes; store in ventilated are.