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175202-55-8

175202-55-8 structure
175202-55-8 structure

Name 3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid
Synonyms 3,4-Dimethylthieno(2,3-b)thiophene-2,5-dicarboxylic acid
3,4-dimethylthiopheno[2,3-b]thiophene-2,5-dicarboxylic acid
MFCD00067989
Density 1.6g/cm3
Boiling Point 538ºC at 760mmHg
Melting Point >360°C
Molecular Formula C10H8O4S2
Molecular Weight 256.29800
Flash Point 279.2ºC
Exact Mass 255.98600
PSA 131.08000
LogP 2.97600
Vapour Pressure 2.08E-12mmHg at 25°C
Index of Refraction 1.736
HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%