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Silica gel, granules, Chameleon® C 2,5 - 6 mm drying agent

Supplier: VWR Chemicals

Non toxic dessicants, for adsorbing moisture from the atmosphere and gas streams, which contain iron salts as a colour indicator. The dry material has an intense orange colour and changes to a pale beige/white colour on adsorption of water.

  • Water adsorption capacity at 50% RH is a minimum of 23%
  • Loss on drying at 145 °C is less than 2%
  • At concentration of 10% in water, pH is from 1,5 to 5
  • Regeneration can be achieved by heating to 150 °C in a drying oven

Formula: SiO₂
MW: 60.08 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00011232
CAS Number: 63231-67-4
UN: 0000
Specification Test Results
Colour change Passes test
Particle size 2 - 6 mm
pH (20°C; 5 %) 2 - 5
Loss on drying (140°C) Max. 2 %
Water-adsorption capacity (23°C;50 % RH) Min. 23 %



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Pack type Pk Particle size VWR Catalog Number Quantity
Plastic bottle for solids 1 kg 2,5 - 6 mm 83000.290
Bucket (Plastic) 5 kg 2,5 - 6 mm 83000.360
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