CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Trans-stilbene appears as off-white crystals. Melting point of 122-124 °C. Shows blue fluorescence. (NTP, 1992) |
|---|---|
| Color/Form | Crystals from 95% ethanol |
| Boiling Point | 583 to 585 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 255 to 257 °F (NTP, 1992) |
| Solubility | Insoluble (NTP, 1992) |
| Density | 0.9707 at 68 °F (NTP, 1992) - Less dense than water; will float |
| Vapor Pressure | 0.000881 [mmHg] |
| LogP | log Kow = 4.81 |
| Stability/Shelf Life | VOLATILE WITH STEAM. |
| Decomposition | When heated to decomposition it emits acrid smoke and irritating vapors. |
| Heat of Combustion | Net heat of combustion of liquid = 17176 Btu/lb at 77 °F |
| Heat of Vaporization | Heat of vaporization = 133.91 Btu/lb at 583.70 °F. |
| Refractive Index | Index of refraction: 1.6264 @ 17 °C |
| Kovats Retention Index | 1755 1755 |
| Chemical Classes | Other Classes -> Aromatic Hydrocarbons |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H319:Serious eye damage/eye irritation H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 180.24 g/mol |
|---|---|
| XLogP3 | 4.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 2 |
| Exact Mass | 180.093900383 g/mol |
| Monoisotopic Mass | 180.093900383 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| Complexity | 149 |
| 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
Trans-stilbene appears as off-white crystals. Melting point of 122-124 °C. Shows blue fluorescence. (NTP, 1992)