Blue Silica gel
CAS NO.: 112926-00-8
Molecular Formula: SiO₂·nH₂O (with cobalt chloride)
Molecular Weight: ~60.08 (SiO₂ basis)
Blue silica gel is a porous, amorphous form of silica impregnated with cobalt chloride, giving it a blue color when dry. It is widely used as a moisture indicator in desiccant applications.
Main Applications:
Used in moisture control and drying of industrial products, pharmaceuticals, and electronics. Color changes from blue to pink as it absorbs moisture, indicating saturation.
Typical Properties:
|
Property |
Value |
|
Appearance |
Blue granular or bead form |
|
Moisture Adsorption |
≥30% (RH 90%, 25°C) |
|
Bulk Density |
0.75 g/cm³ |
|
Indicator |
Cobalt chloride |
|
Particle Size |
2–5 mm (typical) |
|
Storage |
Store in a dry, airtight container |
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Name: Snowhite Chemical Co., LTD.
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