CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 2-ethylhexaldehyde is a white liquid with a mild odor. Floats on water. (USCG, 1999) |
|---|---|
| Color/Form | Colorless high-boiling liquid |
| Odor | Mild odor |
| Boiling Point | 326.1 °F at 760 mmHg (NTP, 1992) |
| Melting Point | less than -100 °C |
| Flash Point | 125 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 70 °F (NTP, 1992) |
| Density | 0.82 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 4.42 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 1.8 mmHg at 68 °F (NTP, 1992) |
| LogP | log Kow = 3.07, measured OECD Method 107 |
| Autoignition Temperature | 387 °F (USCG, 1999) |
| Decomposition | When heated to decomposition it emits acrid and irritating fumes. |
| Viscosity | 1.0527 cP at 25 °C |
| Heat of Vaporization | 38.73 kJ/mol at normal boiling point |
| Surface Tension | 27.8571 dyn/cm at 25 °C |
| Refractive Index | Index of refraction: 1.4142 at 20 °C |
| Kovats Retention Index | 933 935 938 940 933 959 933 933 959 932 |
| Other Experimental Properties | Liquid molar volume = 0.156518 cu m/kmol |
| Chemical Classes | Other Classes -> Aldehydes |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H226:Flammable liquids H317:Sensitisation, Skin H361:Reproductive toxicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 128.21 g/mol |
|---|---|
| XLogP3 | 2.6 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 5 |
| Exact Mass | 128.120115130 g/mol |
| Monoisotopic Mass | 128.120115130 g/mol |
| Topological Polar Surface Area | 17.1 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 69 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
2-ethylhexaldehyde is a white liquid with a mild odor. Floats on water. (USCG, 1999)