4-methylthieno[2,3-b]thiophene

Modify Date: 2025-10-27 10:11:34

4-methylthieno[2,3-b]thiophene Structure
4-methylthieno[2,3-b]thiophene structure
 Common Name 4-methylthieno[2,3-b]thiophene
CAS Number 1723-34-8 Molecular Weight 154.25300
Density 1.298g/cm3 Boiling Point 245.7ºC at 760 mmHg
Molecular Formula C7H6S2 Melting Point N/A
MSDS N/A Flash Point 73.7ºC

 Names

Name 4-methylthieno[2,3-b]thiophene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.298g/cm3
Boiling Point 245.7ºC at 760 mmHg
Molecular Formula C7H6S2
Molecular Weight 154.25300
Flash Point 73.7ºC
Exact Mass 153.99100
PSA 56.48000
LogP 3.27120
Vapour Pressure 0.0444mmHg at 25°C
Index of Refraction 1.695
InChIKey WXWSIAKSWKGSQX-UHFFFAOYSA-N
SMILES Cc1csc2sccc12

 Synthetic Route

2-Chlorothiophene structure

2-Chlorothiophene

CAS#:96-43-5

di-(1-propenyl)-sulfide (mixture of isomers) structure

di-(1-propenyl)...

CAS#:33922-80-4

~%

Thiophene(SIV) structure

Thiophene(SIV)

CAS#:188290-36-0

2-Ethylthiophene structure

2-Ethylthiophene

CAS#:872-55-9

Detail
Literature: Ostroukhova, L. A.; Deryagina, E. N.; Korchevin, N. A.; Musorin, G. K.; Amosova, S. V.; Voronkov, M. G. Journal of Organic Chemistry USSR (English Translation), 1991 , vol. 27, # 2.2 p. 301 - 305 Zhurnal Organicheskoi Khimii, 1991 , vol. 27, # 2 p. 354 - 359

 Synonyms

3-Methylthieno<3,2-b>thiophen
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