cis-Stilbene
Synonym(s):cis-1,2-Diphenylethylene;Isostilbene
- CAS NO.：645-49-8
- Empirical Formula: C14H12
- Molecular Weight: 180.25
- MDL number: MFCD00004788
- EINECS: 211-445-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:55:25
What is cis-Stilbene?
Chemical properties
pale yellow liquid
The Uses of cis-Stilbene
cis-Stilbene: stilbene and its natural derivatives such as resveratrol and vitisins inhibits Staphylococcus aureus hemolytic activity and biofilm formation without affecting its bacterial growth
Definition
ChEBI: Cis-stilbene is the cis-isomer of stilbene.
General Description
Oily yellow liquid. Freezing point 5°C. Insoluble in water. Soluble in ethanol. Unstable relative to the trans isomer, which is a solid with a melting point of 122-124°C.
Air & Water Reactions
Sensitive to prolonged exposure to air and light [Lancaster]. Insoluble in water.
Reactivity Profile
CIS-STILBENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release gaseous hydrogen.
Fire Hazard
Flash point data for CIS-STILBENE are not available, however CIS-STILBENE is probably combustible.
Purification Methods
Purify it by chromatography on alumina using hexane and distil it under vacuum. (The final product contains ca 0.1% of the trans-isomer.) [Lewis et al. J Am Chem Soc 107 203 1985, Saltiel J Phys Chem 91 2755 1987, Beilstein 5 H 630.]
Properties of cis-Stilbene
| Melting point: | -5°C |
| Boiling point: | 82-84 °C0.4 mm Hg(lit.) |
| Density | 1.011 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | 2-8°C |
| form | clear liquid |
| color | Colorless to Yellow to Green |
| Water Solubility | Immiscible with water. Miscible with ethanol. |
| Merck | 14,8817 |
| BRN | 1616739 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 645-49-8(CAS DataBase Reference) |
| EPA Substance Registry System | cis-Stilbene (645-49-8) |
Safety information for cis-Stilbene
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
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 for cis-Stilbene
New Products
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