Identification Chemical Properties Safety Data Supplier

248-70-4

Name Benzo[b]benzo[4,5]thieno[2,3-d]thiophene
CAS 248-70-4
Molecular Formula C14H8S2
MDL Number MFCD02114004
Molecular Weight 240.343
MOL File 248-70-4.mol
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Chemical Properties

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

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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