Orange Indicator silica gel | SORBSTAR(CAS: 7631-86-9)

Product Description
Brand: SORBSTAR
(1-3mm,2-4mm,3-5mm) Available
Orange silica gel turns green as it adsorbs moisture, indicating the need forreactivation or replacement. Prevents the formation of mould, condensationand rust in enclosed spaces.
- Beads contain orange to green moisture indicator
- Lowers relative humidity to approximately 35-40%
- Prevents mold, condensation & rust
- Remains dry when saturated with moisture
- Reusable
- Inert and non-toxic
- Non-corrosive
Orange indicating silica gel is ideal in applications where visual control of moisture is required. The silica gel will turn from orange to green as it adsorbs moisture, indicating the need for reactivation or replacement. Silica gel works by adsorbing and trapping moisture from the air, lowering humidity and preventing the formation of mold, condensation, and rust in enclosed spaces.
Silica gel’s high surface area allows it to adsorb up to 40% of its weight in moisture while remaining dry to the touch. It is inert, non-toxic, and has the ability to be reactivated multiple times. Silica gel will remove moisture at temperatures as high as 60°C, but it is best used at room temperature (20-35°C) and high relative humidity (60-90% RH).
When silica gel turns green, reactivate as follows:
Spread silica gel on a tray and place in an oven at 115°C to 125°C for approximately 2-3 hours or until beads turn orange again. Once the silica gel has been reactivated, remove from the oven and let cool until able to handle. Store silica gel in a sealed container until ready to use.
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Basic Information
Molecular Formula
O2Si
Molecular Weight
60.08 g/mol
Physical Properties
Melting Point
>1600 °C (lit.)
Boiling Point
2230 °C(lit.)
Density
1.21 g/mL at 25 °C
Flash Point
2230°C
Chemical Identifiers
SMILES
O=[Si]=O
InChIKey
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
Database References
MDL Number
MFCD00149856
FAQ
Silica, with the CAS number 7631-86-9, is a common inorganic compound composed primarily of silicon and oxygen. It exists in various forms, such as silicon dioxide (SiO₂), and is known for its high thermal stability, chemical inertness, and resistance to weathering. Silica is widely found in nature, including in sand, quartz, and minerals, and is used in numerous applications due to its versatile properties.
Silica (CAS 7631-86-9) is used in pharmaceuticals as an excipient, in the manufacturing of glass and ceramics, in construction materials, and in food processing as a clarifying agent. It also serves as a filler in various products, including cosmetics and toothpaste. In research, silica is essential for producing high-purity materials and is used in chromatography and filtration processes.
Silica (CAS 7631-86-9) is generally considered safe when handled properly. However, inhalation of fine silica dust can cause respiratory issues such as silicosis. It is important to follow safety standards, use appropriate protective equipment, and ensure proper ventilation to minimize health risks. Silica is non-toxic in its solid form but may react with strong acids or alkalis.
Silica (CAS 7631-86-9) should be stored in a cool, dry place away from moisture and direct sunlight. It is typically kept in airtight containers to prevent contamination and maintain stability. Avoid exposure to high humidity or extreme temperatures, as these can affect its physical properties. Proper storage ensures its longevity and effectiveness in various applications.
Safety Notice
Please verify product specifications and safety data before use. Contact the supplier for detailed safety information.
Always follow proper handling procedures
Contact Information
Contact Person
Louis
info@sorbstar.com
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