2,3-Bis(2,4,5-trimethyl-3-thienyl)maleic Anhydride

Names

[ CAS No. ]:
112440-47-8

[ Name ]:
2,3-Bis(2,4,5-trimethyl-3-thienyl)maleic Anhydride

[Synonym ]:
2,3,4-TRIFLUOROBENZENEYL ACETALDEHYDE
2,3-bis(2,3,5-trimethylthienyl)maleic anhydride
2,3-bis(2,3,5-trimethyl-3-thienyl)maleic anhydride
1,2-bis(2,4,5-trimethylthiophene-3-yl)maleic anhydride
B1534
2,3-Bis(2,4,5-triMethyl-3-thienyl)Maleic Anhydride
1,2-bis(2,4,5-trimethyl-3-thienyl)maleic anhydride

Chemical & Physical Properties

[ Density]:
1.297g/cm3

[ Boiling Point ]:
514.4ºC at 760 mmHg

[ Melting Point ]:
168ºC

[ Molecular Formula ]:
C18H18O3S2

[ Molecular Weight ]:
346.46400

[ Flash Point ]:
264.9ºC

[ Exact Mass ]:
346.07000

[ PSA ]:
99.85000

[ LogP ]:
4.65420

[ Vapour Pressure ]:
1.08E-10mmHg at 25°C

[ Index of Refraction ]:
1.625

MSDS

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Safety Information

[ HS Code ]:
2934999090

Synthetic Route

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Precursor & DownStream

Precursor

  • 2,3,5-Trimethylthiophene
  • 3-(Cyanomethyl)-2,4,5-trimethylthiophene
  • 2-Ethoxyethanol
  • cis-1,2-dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene
  • 2,3,7,8,9a,9b-hexamethyldithieno[3,2-e:2',3'-g]isobenzofuran-4,6(9aH,9bH)-dione

DownStream

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%