| | Identification | Back Directory |  | [Name] 
 Ethyne-1,2-diyldiboronic acid dipinacol ester
 |  | [CAS] 
 1010840-17-1
 |  | [Synonyms] 
 *Terbufos Impurity 7 (Phorate Sulfoxide)
 1,2-Ethynediboronic acid Bis(pinacol) Ester
 Ethyne-1,2-diyldiboronic acid dipinacol ester
 Ethyne-1,2-diyl bis(boronic acid pinacol ester)
 Acetylene-1,2-diyl bis(boronic acid pinacol ester)
 1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethyne
 1,3,2-Dioxaborolane, 2,2'-(1,2-ethynediyl)bis[4,4,5,5-tetramethyl-
 1,2-bis(4',4',5',5'-tetramethyl[1',3',2']dioxaborolan-2'-yl)acetylene
 |  | [Molecular Formula] 
 C14H24B2O4
 |  | [MDL Number] 
 MFCD22666429
 |  | [MOL File] 
 1010840-17-1.mol
 |  | [Molecular Weight] 
 277.96
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 269°C
 |  | [Boiling point ] 
 257.5±23.0 °C(Predicted)
 |  | [density ] 
 1.00±0.1 g/cm3(Predicted)
 |  | [storage temp. ] 
 2-8°C
 |  | [form ] 
 powder to crystal
 |  | [color ] 
 White to Almost white
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 Reactant for the preparation of:
 
 Poly(p-phenyleneethynylene)s (PPEs), which are used in constructing organic light-emitting diodes (OLEDs), field-effect transistors (FETs) and several other materials used in electronic devices
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