1,3,6,8-Tetrakis((trimethylsilyl)ethynyl)pyrene

Name: 1,3,6,8-Tetrakis((trimethylsilyl)ethynyl)pyrene
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CAS No. 870258-96-1
Cat. No. CS-0110387
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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1,3,6,8-Tetrakis((trimethylsilyl)ethynyl)pyrene|CS-0110387

Structure of 870258-96-1

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General Information

CAS No. 870258-96-1
Cat. No. CS-0110387
Purity ≥98%
MDL No. None
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₃₆H₄₂Si₄
Molecular Weight 587.06
Synonym(s) 1,3,6,8-tetrakis(trimethylsilanylethynyl)pyrene
SMILES C[Si](C)(C)C#CC1=C2C=CC(C3=C2C(C(C#C[Si](C)(C)C)=C1)=CC=C3C(C#C[Si](C)(C)C)=C4)=C4C#C[Si](C)(C)C

Description

1,3,6,8-Tetrakis((trimethylsilyl)ethynyl)pyrene features four trimethylsilyl-protected ethynyl groups positioned at the peripheral corners of the pyrene core. This arrangement imparts exceptional solubility and stability while preserving the aromatic integrity of the central scaffold. The silyl groups enable facile handling under ambient conditions and serve as robust precursors for downstream coupling reactions. This molecule functions as a modular building block in the synthesis of extended π-conjugated systems and functionalized carbon nanomaterials.

Application

1,3,6,8-Tetrakis((trimethylsilyl)ethynyl)pyrene serves as a highly functionalized polycyclic aromatic scaffold enabling efficient access to extended π-conjugated systems. Its four terminal trimethylsilyl-protected alkyne groups facilitate orthogonal Sonogashira coupling, allowing modular assembly of complex molecular architectures. The silyl protection ensures bench stability and simplifies purification, while the pyrene core provides excellent thermal and oxidative robustness—ideal for applications in organic electronics and materials science.

Safety Information

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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

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Computational Chemistry Data

TPSA 0
LogP 9.4996
H_Acceptors 0
H_Donors 0
Rotatable_Bonds 0

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1,3,6,8-Tetrakis((trimethylsilyl)ethynyl)pyrene

CAS No. 870258-96-1

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