TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE

CAS No.：538-81-8

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE Basic information

Product Name:	TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE
Synonyms:	1,4-DIPHENYL-1,3-BUTADIENE;TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE;TRANS,TRANS-1,4-DIPHENYLBUTA-1,3-DIENE;T,T-1,4-DIPHENYL-1,3-BUTADIENE;(1E,3E)-1,4-Diphenylbuta-1,3-diene;(E,E)-(C6H5CH=CH)2;E,E)-1,4-Diphenylbutadiene;ll-trans-diphenylbutadiene
CAS:	538-81-8
MF:	C16H14
MW:	206.28
EINECS:	629-554-7
Product Categories:	Acyclic;Alkenes;Analytical Reagents;Analytical/Chromatography;Biochemicals and Reagents;Building Blocks;Chemical Synthesis;Fluorescence/Luminescence Spectroscopy;Luminescent Compounds/Detection;Organic Building Blocks;Scintillation Reagents;Spectroscopy
Mol File:	538-81-8.mol

TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE Chemical Properties

Melting point	150-152 °C(lit.)
Boiling point	350 °C(lit.)
density	1.151 g/cm3
refractive index	1.5000 (estimate)
Fp	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.
InChIKey	JFLKFZNIIQFQBS-FNCQTZNRSA-N
CAS DataBase Reference	538-81-8(CAS DataBase Reference)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3
F	10-23
TSCA	Yes
HS Code	29029000

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English
ALFA	English

TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE Usage And Synthesis

Chemical Properties	light yellow crystalline powder
Uses	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.
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.]

TRANS,TRANS-1,4-DIPHENYL-1,3-BUTADIENE Preparation Products And Raw materials

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