TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE
Synonym(s):β,β′-Bistyryl;DPB
- CAS NO.：538-81-8
- Empirical Formula: C16H14
- Molecular Weight: 206.28
- MDL number: MFCD00004791
- EINECS: 629-554-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-09-26 16:29:58
What is TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE?
Chemical properties
light yellow crystalline powder
The Uses of TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE
trans,trans-1,4-Diphenyl-1,3-butadiene reacts with Rieke metal complexes of barium and strontium to prepare metal-diene reagents, which is used for the carbocyclization with dichloroalkanes.
Definition
ChEBI: 1,4-diphenylbutadiene is an alkadiene. It has a role as a fluorochrome.
Purification Methods
Its solution in pet ether (b 60-70o) is chromatographed on an alumina-Celite column (4:1), and the column is washed with the same solvent. The main zone is cut out, eluted with ethanol and transferred to pet ether, which is then dried and evaporated [Pinckard et al. J Am Chem Soc 70 1938 1948]. Recrystallise it from hexane. [Beilstein 5 H 676, 9 IV 2319.]
Properties of TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE
| Melting point: | 150-152 °C(lit.) |
| Boiling point: | 350 °C(lit.) |
| Density | 1.151 g/cm3 |
| refractive index | 1.5000 (estimate) |
| Flash point: | 350°C/720mm |
| storage temp. | Sealed in dry,Room Temperature |
| form | Crystals or Crystalline Powder |
| color | White to slightly yellow |
| Water Solubility | Slightly soluble in water. |
| Merck | 14,3320 |
| BRN | 1905937 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 538-81-8(CAS DataBase Reference) |
Safety information for TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE
| InChIKey | JFLKFZNIIQFQBS-FNCQTZNRSA-N |
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