2-Ethylhexanoic acid
ALDRICH/538701 - ≥99%
Synonym: 2-Ethylcaproic acid
CAS Number: 149-57-5
Empirical Formula (Hill Notation): C8H16O2
Molecular Weight: 144.21
EC Number: 205-743-6
MDL Number: MFCD00002675
Linear Formula: CH3(CH2)3CH(C2H5)CO2H
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 538701-100ML.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 538701-1L.
| assay | ≥99% |
| autoignition temp. | 699 °F |
| bp | 228 °C (lit.) |
| density | 0.903 g/mL at 25 °C (lit.) |
| expl. lim. | 1.04 %, 135 °F |
| 8.64 %, 188 °F | |
| InChI | 1S/C8H16O2/c1-3-5-6-7(4-2 |
| InChI key | OBETXYAYXDNJHR-UHFFFAOYSA |
| Quality Level | 200  |
| refractive index | n |
| SMILES string | CCCCC(CC)C(O)=O |
| vapor density | 4.98 (vs air) |
| vapor pressure | <0.01 mmHg ( 20 °C) |
| 10 mmHg ( 115 °C) |
| Application: | • A review of the environmental fate and aquatic effects of a series of C4 and C8 oxo-process chemicals.: This review assesses the environmental impact of C4 and C8 oxo-process chemicals, including 2-Ethylhexanoic acid, detailing their degradation, persistence, and effects on aquatic ecosystems (Staples, 2001  ). |
| General description: | 2-Ethylhexanoic acid (EHXA, 2-EHA) is an industrially important aliphatic carboxylic acid. It is widely employed as a stabilizer and a wood preservative. It has various industrial applications, such as: • coolant in automotives • synthetic lubricant • wetting agent • co-solvent • drying of paints • defoaming agent in pesticides |
| Packaging: | 1 L in glass bottle |
| Packaging: | 100 mL in glass bottle |
| Packaging: | 20 L in poly drum |
| Symbol |  GHS08 |
| Signal word | Warning |
| Hazard statements | H361d |
| Precautionary statements | P280 |
| Hazard Codes | Xn |
| Risk Statements | 63 |
| Safety Statements | 36/37 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | 237.2 °F - closed cup |
| Flash Point(C) | 114 °C - closed cup |
| Purity | ≥99% |
| bp | 228 °C (lit.) |
| Density | 0.903 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |