Polymer is water-soluble at room temperature. Solubility ceiling has been used in mold and cell growth techniques since cells adhere to polymer film at incubation temperatures and are released as medium is cooled and polymer is dissolved. Physical Form: White Crystal Powder Approx Mw: 300,000 (Viscosity average) Soluble In: THF, dioxane, DMF, cold water,chloroform Density: 1.10 Inherent viscosity: 1.0 Tm (C): 200 Tg (C): 130 MV 35,000-45,000 is available on request.