3,4-dimethylthieno[2,3-b]thiophene

Modify Date: 2025-08-24 23:39:29

3,4-dimethylthieno[2,3-b]thiophene Structure
3,4-dimethylthieno[2,3-b]thiophene structure
Common Name 3,4-dimethylthieno[2,3-b]thiophene
CAS Number 175202-58-1 Molecular Weight 168.27900
Density 1.245g/cm3 Boiling Point 272.6ºC at 760mmHg
Molecular Formula C8H8S2 Melting Point 72-74ºC
MSDS N/A Flash Point 86.4ºC

 Names

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

 Chemical & Physical Properties

Density 1.245g/cm3
Boiling Point 272.6ºC at 760mmHg
Melting Point 72-74ºC
Molecular Formula C8H8S2
Molecular Weight 168.27900
Flash Point 86.4ºC
Exact Mass 168.00700
PSA 56.48000
LogP 3.57960
Vapour Pressure 0.0101mmHg at 25°C
Index of Refraction 1.671
InChIKey RSRGJNXSXWLXTD-UHFFFAOYSA-N
SMILES Cc1csc2scc(C)c12

 Safety Information

Risk Phrases 36/37/38
Safety Phrases 26-36/37/39
HS Code 2934999090

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

3,5-dimethyl thieno(2,3-b)thiophene
3,4-dimethylthiopheno[2,3-b]thiophene
3,4-dimethyl thieno[2,3-b]thiophene
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