CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 2-pentene, (e)- is a colorless liquid with a hydrocarbon odor. Usually in technical grade as a mixture of isomers. Used as a solvent, in organic synthesis, and as a polymerization inhibitor. |
|---|---|
| Color/Form | Liquid |
| Boiling Point | 36.3 °C |
| Melting Point | -140.2 °C |
| Flash Point | less than -4 °F (NFPA, 2010) |
| Solubility | Soluble in benzene; miscible in ethanol, ethyl ether |
| Density | 0.6431 @ 25 °C/4 °C |
| Vapor Density | 2.4 (Air= 1) |
| Vapor Pressure | 506.0 [mmHg] |
| Decomposition | When heated to decomposition it emits acrid smoke and irritating fumes. |
| Surface Tension | 16.41 dyne/cm @ 25 °C |
| Refractive Index | Index of refraction: 1.3793 @ 20 °C/D |
| Kovats Retention Index | 506.6 509 504.91 505.09 505 507.6 510.8 510 506 507 507 506.8 507 507 507 506 507 507 507 507 508 507 502 504.2 505.8 505.8 505.8 505.8 505.9 505.9 506.2 508.4 511.2 516.7 507 516 509 507 505 500 508.6 511 507 506 504.7 509 506 507 507 505 508 506 500 512 518 |
| Other Experimental Properties | Specific gravity: 0.6533 @ 25 °C |
| Chemical Classes | Other Classes -> Aliphatics, Unsaturated |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Health Hazard GHS08 |
| GHS Hazard Statements |
H225:Flammable liquids H304:Aspiration hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. |
COMPUTED DESCRIPTORS
| Molecular Weight | 70.13 g/mol |
|---|---|
| XLogP3 | 2.1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 1 |
| Exact Mass | 70.078250319 g/mol |
| Monoisotopic Mass | 70.078250319 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 27 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 1 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
2-pentene, (e)- is a colorless liquid with a hydrocarbon odor. Usually in technical grade as a mixture of isomers. Used as a solvent, in organic synthesis, and as a polymerization inhibitor.