PF12TBT, OS0012,

Product:                                              OS0012, PF12TBT

Chemical Structure:                            (proprietary end-capped)

Appearance:                                        Shine purple solid

Volatile moisture balance:                   < 1.0 %

Molecular weight (GPC):                     47,100 (Mw, PS Standard)

PDI:                                                     2.3

Solubility:                                            Soluble in Chloroform, chlorobenzene, ODCB…

Assay:                                                 99.99+% (basing on trace metal analysis)