Silica gel - Blue Silicon Dioxide

SiO₂ 

Blue silica gel is a type of desiccant that is used to absorb moisture and control humidity in various applications. Unlike regular silica gel, which is typically white or transparent, blue silica gel contains a moisture indicator that changes color from blue to pink as it absorbs moisture. This color change provides a visual indication of the moisture saturation level.

Blue silica gel is made from a form of amorphous silica dioxide, similar to regular silica gel. It has a high affinity for water molecules and can adsorb moisture up to 40% of its own weight. Once the blue silica gel is saturated with moisture, it can be regenerated by heating it to remove the absorbed water, restoring its moisture-absorbing capacity.

The main uses of blue silica gel include:

Moisture Absorption in Packaging: Blue silica gel packets are commonly used in product packaging to protect items sensitive to moisture damage, such as electronics, leather goods, pharmaceuticals, and food products. The packets help prevent mold, mildew, and corrosion by absorbing excess moisture in the packaging.

Industrial and Storage Applications: Blue silica gel is used in industrial settings and storage facilities to control humidity and prevent moisture-related damage to equipment, machinery, tools, and sensitive materials. It is often used in sealed containers, cabinets, or storage spaces to maintain low humidity levels.

Instrumentation and Electronics: Blue silica gel is used in various electronic and electrical applications to protect sensitive instruments, equipment, and components from moisture damage during storage and transportation. It helps maintain the integrity and functionality of these devices.

Art and Collectible Preservation: Blue silica gel can be used in display cases, art galleries, museums, and archival storage to protect valuable artifacts, documents, photographs, and artworks from moisture-induced deterioration.

It's important to note that blue silica gel is not intended for consumption and should be kept away from children and pets. Additionally, it's crucial to follow the manufacturer's instructions for handling, disposal, and regeneration of blue silica gel.

Formula: SiO₂

Molecular Weight: 60.08 g/mol
Form: Blue beads
CAS Number: 112926-00-8
Density: 2.2 g/cm³
Synonyms: 2-Mercaptoethyl ethyl sulfide silica, Accusand, Acticel, ADELITE 30, Admafine, Aerogel, AEROSIC, Aerosil