Silica gel, red/yellow, beads, GPR RECTAPUR® 3 - 6 mm, with indicator

Supplier: VWR Chemicals

89053.292EA 28.1 EUR
89053.292 89053.360
Silica gel, red/yellow, beads, GPR RECTAPUR® 3 - 6 mm, with indicator
Silica gel

Our silica gel red/yellow is used where products need to be protected from humidity during storage and transportation. The colour changes from ruby red to orange-yellow when saturated.


  • Mixture of various indicators and free of dangerous materials
  • Colour change from ruby red to orange-yellow
  • Regeneration at 120 °C for 4 hours

Formula: SiO₂
MW: 60,08 g/mol
Boiling Pt: 2230 °C (1013 hPa)
Melting Pt: > 1600 °C
Storage Temperature: Ambient
MDL Number: MFCD00011232
CAS Number: 7631-86-9

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Specification Test Results

Absorption capacity (H₂O; 25 °C; 50% RH) ≥20,0%
Residual humidity (150 °C) ≤3,0%

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