Alternative Name: thallium triacetate, tris (acetate)thallium, thallic acetate. Physical Data: mp 195 °C. Solubility: sol hot acetic acid, alcohols, H 2 O. Form Supplied in: white solid; commercially available as thallium triacetate (98%) and thallium triacetate sesquihydrate (99.90%). Drying: dry over P 2 O 5.