Nano fumed silica
99.8%, Specific surface area (BET): 170m2/g; particle size: 7-40nm
Reagent
Code: #216826
Alias
Silica/nano silica; silicon oxygen, silica, silica anhydride, white carbon black, crystal, quartz, silica, silica
CAS Number
60676-86-0
science Other reagents with same CAS 60676-86-0
blur_circular Chemical Specifications
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Molecular Information
Weight
60.08 g/mol
Formula
SiO₂
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Registry Numbers
EC Number
262-373-8
MDL Number
MFCD00011232
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Physical Properties
Melting Point
1610 °C(lit.)
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Storage & Handling
Density
2.3 lb/cu.ft at 25 °C (bulk density)(lit.)
Storage
Room temperature
description Product Description
Used as a thickening and anti-settling agent in coatings and paints to improve viscosity and prevent pigment settling. Enhances mechanical strength and thermal insulation in rubber and polymer composites. Acts as a free-flow agent in powders and agricultural chemicals. Improves scratch resistance in adhesives and sealants. Widely applied in cosmetics for its matting effect and oil absorption. Also utilized in electronics as a desiccant and in drug delivery systems due to its high surface area and porosity.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| X-RAY DIFFRACTION | Conforms to structure |
| LOSS ON IGNITION | ≤2.5% |
| PARTICLE SIZE | 7-40 nm |
| SPECIFIC SURFACE AREA | 150-190 m²/g |
| CARBON CONTENT (2H BASED ON THE PRODUCT AFTER DRYING 105°C) | 0.7-1.3% |
| PH-VALUE IN 4% DISPERSION (H2O:ETHANOL=1:1) | 3.7-4.5 |
| SILICA CONTENT (BASED ON THE PRODUCT AFTER IGNITION) | 99.8-100% |
| TAMPED DENSITY (2H BASED ON THE PRODUCT AFTER DRYING 105°C) | 40-60 g/L |
| Loss on Drying | ≤0.5% |
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