(E)-1,2-Di-p-tolylethene

Name: (E)-1,2-Di-p-tolylethene
Brand: ChemScene
Availability: InStock
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CAS No. 18869-29-9
Cat. No. CS-W015207
Purity≥98%
MDL No.None

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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Structure of 18869-29-9

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General Information

CAS No. 18869-29-9
Cat. No. CS-W015207
Purity ≥98%
MDL No. None
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₆H₁₆
Molecular Weight 208.30
Synonym(s) 4,4-Dimethyl-trans-stilbene
SMILES CC1=CC=C(/C=C/C2=CC=C(C)C=C2)C=C1

Description

(E)-1,2-Di-p-tolylethene features a rigid, planar olefinic bridge flanked by two p-tolyl groups, delivering enhanced stability and defined electronic properties. This configuration supports efficient π-conjugation and facilitates use in conjugated materials, organic semiconductors, and molecular scaffolds requiring controlled geometry and steric bulk.

Application

(E)-1,2-Di-p-tolylethene serves as a stable, bench-accessible styrenic building block with well-defined stereochemistry. Its rigid, conjugated structure facilitates use in palladium-catalyzed coupling reactions and provides a robust scaffold for the synthesis of functionalized aromatic systems. The p-tolyl groups enhance solubility and stability, enabling straightforward purification and compatibility with standard synthetic protocols.

Synthesis

Route1
- In-stock
  
  104-87-0
- ~96%
- In-stock
  
  18869-29-9
References
- Feast; Loevenich; Puschmann; Taliani Chemical Communications, 2001 , # 5 p. 505 - 506
Route2
- 622-97-9
- 106-43-4
- ~81%
- In-stock
  
  18869-29-9
References
- Srinivas, Pottabathula; Likhar, Pravin R.; Maheswaran, Hariharasarma; Sridhar, Balasubramanian; Ravikumar, Krishnan; Kantam, Mannepalli Lakshmi Chemistry - A European Journal, 2009 , vol. 15, # 7 p. 1578 - 1581
Route3
- 622-97-9
- 106-38-7
- ~96%
- In-stock
  
  18869-29-9
References
- Wang, Ai-E; Xie, Jian-Hua; Wang, Li-Xin; Zhou, Qi-Lin Tetrahedron, 2005 , vol. 61, # 1 p. 259 - 266

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501

Quality Control

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Computational Chemistry Data

TPSA 0
LogP 4.47384
H_Acceptors 0
H_Donors 0
Rotatable_Bonds 2

Other Classifications

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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(E)-1,2-Di-p-tolylethene

CAS No. 18869-29-9

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