Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

139896-65-4

139896-65-4 structure

139896-65-4 structure

Name: 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene
Chemical Name: 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene
CAS Number: 139896-65-4
Molecular Formula: C₁₆H₂₀S₂Si₂
Molecular Weight: 332.631
Create Date: 2019-01-02 18:37:24
Modify Date: 2025-10-09 20:43:34

Names
Properties

Name	2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene
Synonyms	(Thieno[3,2-b]thiene-2,5-diyldi-2,1-ethynediyl)bis(trimethylsilane) Silane, 1,1'-(thieno[3,2-b]thiene-2,5-diyldi-2,1-ethynediyl)bis[1,1,1-trimethyl-

Density	1.1±0.1 g/cm3
Boiling Point	374.8±42.0 °C at 760 mmHg
Melting Point	213 °C
Molecular Formula	C₁₆H₂₀S₂Si₂
Molecular Weight	332.631
Flash Point	180.5±27.9 °C
Exact Mass	332.054504
LogP	9.78
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.572

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