Orange silica gel
CAS NO.: 112926-00-8
Molecular Formula: SiO₂·nH₂O (with methyl violet indicator)
Molecular Weight: ~60.08 (SiO₂ basis)
Orange silica gel is a non-toxic, amorphous form of silica containing a moisture indicator that changes from orange to green as it absorbs water. It is used for indicating and controlling humidity in packaging and industrial environments.
Main Applications:
Used in moisture control for electronics, pharmaceuticals, and food products. Color changes from orange to green to indicate saturation.
Typical Properties:
|
Property |
Value |
|
Appearance |
Orange granular or bead form |
|
Moisture Adsorption |
≥30% (RH 90%, 25°C) |
|
Bulk Density |
0.75 g/cm³ |
|
Indicator |
Methyl violet |
|
Particle Size |
2–5 mm (typical) |
|
Storage |
Store in a dry, airtight container |
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Company Information:
Name: Snowhite Chemical Co., LTD.
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