- Solub. in water: (20 ºC): 1 g/l- Melting point: > 1000 ºC- Tariff number: 2811 22 00 90- Applications: desiccant.SPECIFICATIONSabsorption capacity at 40%: min. 20 %loss on drying (180 °C) : max. 2 %