CAS 175202-57-0|ETHYL 5-CYANO-3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2-CARBOXYLATE

Introduction：Basic information about CAS 175202-57-0|ETHYL 5-CYANO-3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2-CARBOXYLATE, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common NameETHYL 5-CYANO-3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2-CARBOXYLATE
CAS Number175202-57-0Molecular Weight265.35100
Density1.33g/cm3Boiling Point421.9ºC at 760mmHg
Molecular FormulaC12H11NO2S2Melting Point155ºC
MSDS/Flash Point209ºC

Names

Nameethyl 2-cyano-3,4-dimethylthieno[2,3-b]thiophene-5-carboxylate
SynonymMore Synonyms

Chemical & Physical Properties

Density1.33g/cm3
Boiling Point421.9ºC at 760mmHg
Melting Point155ºC
Molecular FormulaC12H11NO2S2
Molecular Weight265.35100
Flash Point209ºC
Exact Mass265.02300
PSA106.57000
LogP3.62798
Vapour Pressure2.51E-07mmHg at 25°C
Index of Refraction1.625
InChIKeyAVADGSSQORDQMY-UHFFFAOYSA-N
SMILESCCOC(=O)c1sc2sc(C#N)c(C)c2c1C

Safety Information

Hazard CodesXn:Harmful;
Risk PhrasesR20/21/22
Safety PhrasesS36/37
HS Code2934999090

Customs

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Synonyms

HMS554D12
ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate
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