Silicon dioxide

Diatomaceous earth is a transparent to gray, odorless amorphous powder. Amorphous silica, the noncrystalline form of SiO2, is a transparent to gray, odorless, amorphous powder white crystals or powder

Silicon dioxide occurs almost everywhere on earth. It is one of the most important and abundant oxides on earth, constituting about 60% weight of the earth’s crust as silica itself or in combination with other metal oxides in silicates. It commonly is found as sand in the vast ocean and river shores, their beds, deserts, rocks, and minerals.Silicon dioxide exists in several structural forms: polymorphic crystalline silica, synthetic quartz crystals, amorphous silica, and vitreous silica. This classification is not complete as there are other forms of silica synthesized for specialized applications.

Silica is an inert, naturally occurring mineral used as a carrier in some pesticide products and is sometimes used as an insecticide to control crawling insects, acting via its abrasive and desiccant properties. It is moderately soluble in water and stable in the environment. It is generally considered non-toxic to biodiversity and humans. However, there are some concerns that exposure to crystalline silica particles that are small enough to reach the lungs can cause lung cancer.

white crystals or powder

ChEBI: A silicon oxide made up of linear triatomic molecules in which a silicon atom is covalently bonded to two oxygens.

Mix the aqueous solution of water glass with dilute sulfuric acid, gel at 20～30℃ under a certain pH value, use 2%～2.3% sulfuric acid solution to soak for 3～5h at 25～30℃, use 55～65 Wash at ℃ to acid content (4～6)×10. Then, remove it with a sieve and dry it to a water content of ≤10%. After screening, dry it to a water content of ≤2%.

manufacture of glass, water glass, refractories, abrasives, ceramics, enamels; decolorizing and purifying oils, petroleum products, etc.; in scouring- and grinding-compounds, ferrosilicon, molds for castings; as anticaking and defoaming agent.

IndustryApplicationRole/benefitFoodPowdered foods, such as salt, many spices, etc.Ant-caking agent/ when added to a mixture, prevents its ingredients from binding togetherNutritional health food supplementsSource of silicon/maintain healthy strong bones and joints and minimizes aluminum effects on the bodyWine, beer and juiceFining agentChemical manufactureManufacture of silicon compounds and sodium silicateRaw materialConstructionProduction of portland cementRaw materialSand castingMain ingredient/high melting pointGlassHigh purity silica glassRaw material/high temperature and corrosion resistanceDomestic glass and optical devicesEssential componentCeramicsManufacture of ceramic glazeMain constituents/forms glass when heated to bind others ingredients togetherMetallurgyManufacture of silicon alloysRaw material or additivePharmaceuticalDrug tablets makingFlow agent/aids powder flow when tablets are formedPreventing Alzheimer’s diseaseEffective components/minimizes aluminum effects on the body which may cause Alzheimer’s diseaseElectronicsFiber optic cablesRaw material/high level of heat conductivity and low rate of transmission lossWire insulationRaw material/high melting point and good insulating propertySemi-conductorsSource of siliconPiezoelectric transducerMain component/can convert mechanical energy to electrical energy and vice-versaOthersRefractory materialsMain component/high melting point and high shock resistanceRubber and plasticsAdditive/improves wearing capacityDNA ExtractionSource of silicon/has binding properties which help to isolate the strands of DNAManufacture of silica gelSource of silicon/hygroscopicpropertyDefoamingDefoamer componentSilica-based aerogelSource of siliconHydraulic fracturingThickening agent

silica is also known as silicone dioxide. Silica has a variety of applications: to control a product’s viscosity, add bulk, and reduce a formulation’s transparency. It can also function as an abrasive. In addition, it can act as a carrier for emollients, and may be used to improve a formulation’s skin feel. Spherical silica is porous and highly absorbent, with absorption capabilities roughly 1.5 times its weight. A typical claim associated with silica is oil control. It is found in sunscreens, scrubs, and wide range of other skin care, makeup, and hair care preparations. It has been successfully used in hypoallergenic and allergy-tested formulations.

Silica (SiO2) (RI: 1.48) is mined from deposits of diatomaceous soft chalk-like rock (keiselghur). This is an important group of extender pigments, which is used in a variety of particle sizes. They are used as a flatting agent to reduce gloss of clear coatings and to impart shear thinning flow properties to coatings. They are relatively expensive.

Silicon(IV) oxide, amorphous is used as carriers, processing aids, anti-caking and free-flow agents in animal feed. Defoamer applications such as paint, food, paper, textile and other industrial applications. Synthetic silicon dioxides are used as a rheology control agent in plastics. It is also used to manufacture adhesives, sealants and silicones.

Commercial production of silica typically involves mining quartz-rich materials such as sandstone, quartzite, or vein quartz, followed by crushing and grinding to obtain the desired particle size. The raw material is then purified through processes like washing, flotation, or acid leaching to remove impurities such as iron, aluminium, and other trace elements.

Molecular Weight:60.084
Hydrogen Bond Acceptor Count:2
Exact Mass:59.966755773
Monoisotopic Mass:59.966755773
Topological Polar Surface Area:34.1
Heavy Atom Count:3
Complexity:18.3
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes