Free release

175202-57-0 ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate

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Product Name ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate
CAS No. 175202-57-0
InChI InChI=1/C12H11NO2S2/c1-4-15-11(14)10-7(3)9-6(2)8(5-13)16-12(9)17-10/h4H2,1-3H3
Molecular Formula C12H11NO2S2
Molecular Weight 265.3512
Density 1.33g/cm3
Melting point 155℃
Boiling point 421.9°C at 760 mmHg
Flash point 209°C
Refractive index 1.625
Hazard Symbols Xn:Harmful;
Risk Codes R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.;
Safety S36/37:Wear suitable protective clothing and gloves.;