248-70-4

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248-70-4 Structure

Identification	Back Directory
[Name] Benzo[b]benzo[4,5]thieno[2,3-d]thiophene
[CAS] 248-70-4
[Synonyms] benzthieno[3,2-b]benzothiophene [1]benzothiolo[3,2-b][1]benzothiole Benzo[b]benzo[4,5]thieno[2,3-d]thiophene
[Molecular Formula] C14H8S2
[MDL Number] MFCD02114004
[MOL File] 248-70-4.mol
[Molecular Weight] 240.343

Chemical Properties	Back Directory
[Melting point ] 218.0 to 222.0 °C
[Boiling point ] 432.3±18.0 °C(Predicted)
[density ] 1.407±0.06 g/cm3(Predicted)
[storage temp. ] Keep in dark place,Sealed in dry,Room Temperature
[form ] powder to crystal
[color ] White to Yellow to Green
[λmax] 332nm(Toluene)(lit.)

Safety Data	Back Directory
[Symbol(GHS) ] GHS07
[Signal word ] Warning
[Hazard statements ] H302-H315-H319-H332-H335
[Precautionary statements ] P261-P280-P305+P351+P338
[HS Code ] 2934.99.4400

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