- Solub. in water: (20 ºC): insolubler- Melting point: > 1000 ºCr- Tariff number: 2811 22 00 90r- Applications: analytical chemistry, chromatography.rrSPECIFICATIONSrabsorption capacity at 50%: min. 23 %rloss on drying (180 °C) : max. 2 % r