CAS 7631-86-9
:Silica
Description:
Silica, chemically known as silicon dioxide (SiO2), is a naturally occurring compound that is abundant in the Earth's crust. It is characterized by its hard, crystalline structure and is commonly found in various forms, including quartz, sand, and glass. Silica is a colorless, odorless, and tasteless solid that is insoluble in water and most organic solvents. It has a high melting point and excellent thermal stability, making it useful in high-temperature applications. Silica exhibits a range of physical properties, including high hardness and brittleness, and it is a poor conductor of electricity. In addition to its geological significance, silica is widely used in various industries, including construction, electronics, and food production, often as a filler, abrasive, or desiccant. It is also an essential component in the manufacture of glass and ceramics. While generally considered safe, inhalation of fine silica dust can pose health risks, leading to respiratory issues such as silicosis.
Formula:O2Si
InChI:InChI=1/O2Si/c1-3-2
InChI key:InChIKey=VYPSYNLAJGMNEJ-UHFFFAOYSA-N
SMILES:[Si](=O)=O
Synonyms:- 03Cal
- 1085G
- 10Sv-C5
- 1135Mp
- 115Gr
- 1165Gr
- 1165Mp
- 160Mp
- 165Gr
- 165Mpj
- 175Ffg
- 175Gr
- 175Mp
- 185Mp
- 200Mp
- 255S
- 256Nf
- 300Cf
- 30R25
- 30R50
- 30R7
- 325H
- 383Ds
- 3K
- 3KS
- 3Sv-C5
- 3Swx
- 400G
- 400Wq
- 5085Hsd30
- 5085Sd30
- 5Sv-C
- 5Sv-C5
- 5X
- 7000Gr
- 7000Hd165Grn
- 7520N
- 7Q6
- 822Mp
- 833Mp
- 9000Gr
- 9100Gr
- 937L
- 940Up
- 9500Gr
- 955Gr
- 955W
- 980H
- AQ
- ASR
- Acticel
- Admafine
- Admanano
- AeroZel
- Aerogil
- Aerosic
- Aerosil
- Ainaflex
- Androcoll-E
- Androcoll-P
- AngstromSphere
- Apasil
- Apst
- Aquafil
- Arsil
- B-Qz
- BMA
- Baykiesol
- Biosilica
- Cab-O-Grip
- Cab-O-Sil
- Carplex
- Cataloid
- Ceramax
- Chemiceren
- Cho-St-M
- CoJet-Sand
- Crb-S
- Crt-Aa
- Crt-D
- Daltosil
- Davisil
- Dimosil
- Dm-L-303
- Dri-die
- Durosil
- Eac-St
- Ec-H
- Eg-St
- Elkem
- Emix-Cer
- Erusil
- Etc-St
- Extrusil
- FPS
- Farbsil
- Fb-Isdx
- Gelsil
- HMS
- Hg-Nmeyhg
- Hipresica
- Hs-L
- Hs-Sol
- Hsv-I
- Hyprecica
- Inhibisil
- Ipa-S
- Ipa-St
- Ipa-St-L
- Ipa-St-Ms
- Ipa-St-S
- Ipa-St-Up
- Ipa-St-Z
- Ipa-St-Zl
- Ipa-Xs
- Ipa-Zl
- KMF
- KP-Sil
- Ke-P-10
- Kieselsol
- Klebosol
- Komsil
- Korostop
- Kostrosol
- Kz-Tm
- LNA
- Ludox
- MK
- MR
- MRK
- Ma-St
- Ma-St-L
- Ma-St-M
- Ma-St-S
- Ma-St-Up
- Ma-St-Zl
- MasterMet
- Mc-O
- Mek-Sd
- Mek-St
- Mek-St-L
- Mek-St-M
- Mek-St-Ml
- Mek-St-Ms
- Mek-St-Up
- Mek-St-Zl
- Mes-St
- Mesopure
- Mfil-P(S)
- Mfil-P(U)
- Mibk-St
- Mibk-St-L
- Mibk-St-Up
- Mibk-St-Zl
- Micloid
- Microblock
- Microsand
- Microsil
- Milowhite
- Min-U-Sil
- Mizukasil
- Msp-X
- Msu-F
- Msu-H
- Msu-J
- Msu-X
- Mt-St
- Mt-St-M
- NaSL
- Nanosil
- Nbac-St
- Neosil
- Neosyl
- Nipgel
- Novakup
- Oarsil
- Okn-Iii
- Optacol
- Optolight
- Oscal
- Pc-Pw
- Pgm-St
- Photox
- Plasil
- Pm-St
- Pma-St
- Pmg-St
- Porasil
- Pregel
- Prolongon
- Ps-L
- Ps-Mo
- Ps-S
- Ps-So
- Px-30
- Quartz-S
- Rd-S
- Reolosil
- Ricesil
- Rns-A
- Rns-E
- Romsil
- Ronaspheres
- RuYao
- Rubbersil
- S-Co
- SF
- SF-Silicafume
- SN
- SOX
- SQ
- STN
- SW
- Sansil
- Santocel
- Sciqas
- Sf-Cd
- Sf-Cx
- Sf-R
- Sf-St
- Shinshikyu
- Si-O-Lite
- Sidestar
- Siflox
- Sigasol
- Sil-Co-Sil
- Sildex
- Silex
- SiliNax
- Silicafilm
- Silicalite
- Siliciumdioxid
- Siliconpec
- Silifog
- Silikil
- Silioplant
- Silipur
- Silleaf
- Sillikolloid
- Silmos
- Siloxid
- Simek
- Simethicone
- Sionox
- Sipa
- Sk-Ck
- Smu-X
- Sn-Sol
- Snowtex
- So-Ei
- Sq-Co
- St-Ak-A
- St-Ak-Yl
- St-C
- St-Cm
- St-Mek
- St-Ns
- St-Nxs
- St-O
- St-Ol
- St-Oup
- St-Oxs
- St-Oyl
- St-Ozl
- St-Ps-L
- St-Ps-M
- St-Ps-S-Ak
- St-Pss
- St-Up
- St-X
- St-Xl
- St-Xs
- St-Yl
- St-Zl
- Stos
- Super-Cel
- Sylopage
- Sylosmooth
- Sylosphere
- Syton
- Tiksozil
- Tixosil
- Tokusil
- Tosil
- TriSyl
- UD
- Ufp-40
- Unisil
- Usg-A
- Usg-Sl
- Verticurine
- Vk-Sp20
- Vk-Sp25
- Vx-Sp
- Vx-St
- Vx-X
- Vxsr
- Xba-St
- Xo-Mg
- Zeopan
- Zeosil
- Zeothix
- Zipax
- Zxl-Cfw
- White carbon black
- Precipitated silica
- delustering agent
- Silica
- Quartz
- Silica, fused
- cab-o-sperse
- Amorphous silica
- Fumed Silicas
- Colloidal silica
- MATTING AGENT
- Silica, hydrate
- Fumed silica
- flatting agent
- Hydrated Silica
- Silicondioxidehydrate
- flatting agents
- Pelleted Hydrated Silica
- Silica, vitreous
- white carbon
- Silica
- Quartz sand
- Silica Dioxide
- White carbon black,combustion method
- amorphoussilica(silicondioxide)
- SUPERSPHER(R) 60
- quartzpowder
- NEO BLUE,2-4MM
- silica,amorphous
- SUPERSPHER(R) SI 60
- NEO BLUE,1-2MM
- RONASPHERE
- LICHROSPHER(R) 60
- SILICA GEL 60 RP18
- SILICA GEL BLUE
- silicondioxide(silicaaerogel,amorphous)
- SILICA GEL 60 F254
- amorphoussilicondioxide
- Dioxosilane
- silica,precipitated
- amorphous
- SILICA GEL G6F
- NEO BLUE,3-5MM
- See more synonyms
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Silicon(IV) oxide, Amorphous fumed, S.A. 175 to 225m2/g
CAS:S.A. 175 to 225m2/gFormula:O2SiMolecular weight:60.08Silica gel 60, with fluorescent indicator, 0.060-0.2mm (70-230 mesh)
CAS:Dry column chromatography without applied pressure (gravity pulled)Silica gel desiccant, indicating, ACS
CAS:Silica gel desiccant is used to dry the air in industrial compressed air systems. It is also used as a preservation tool to control relative humidity in museum and library exhibitions and storage. Further, it is employed in diagnostic test strips, inhalation devices, syringes, drug test kits and hosFormula:O2SiColor and Shape:Granules, 2-5 mmMolecular weight:60.08Silica Gel 60Å, 70-230mesh (70-200um)
CAS:Formula:SiO2Color and Shape:Solid, White powderMolecular weight:60.083Silica gel, HPLC grade, spherical, 3 micron APS, 260 angstroms, 99.99+%
CAS:Silica gel, HPLC grade, spherical, 3m APS, 260A, 99.99+%Purity:99.99+%Silicon(IV) oxide, Amorphous fumed, Surface treated, S.A. 105 to 130m2/g
CAS:S.A. 105 to 130m2/gFormula:O2SiMolecular weight:60.08Silicon(IV) oxide, powder, 1.5 micron, 99.9%
CAS:Silicon(IV) oxide is used in a variety of applications such as manufacturing of glass, ceramics and abrasives, and water filtration. It is a common additive in dentifrice oral care applications and the production of foods, where it is used primarily as an anti-caking and free-flow agent in powderedFormula:O2SiPurity:99.9%Color and Shape:Powder, WhiteMolecular weight:60.08Silica gel, TLC high purity grade, with gypsum binder and fluorescent indicator
CAS:TLC plate preparationSilicon(IV) oxide, 99.0% (metals basis)
CAS:Silicon(IV) oxide is used in the manufacture of glass for windows, drinking glasses, beverage bottles and many other materials. Optical fibers for telecommunication are made from silica. It is also used as a raw material for many ceramics such as earthenware, stoneware and porcelain. In addition, siFormula:O2SiPurity:99.0%Color and Shape:White, Crystalline powderMolecular weight:60.08Silicon(IV) oxide, powder, 1.0 micron, 99.9%
CAS:Silicon(IV) oxide is used in a variety of applications such as manufacturing of glass, ceramics and abrasives, and water filtration. It is a common additive in dentifrice oral care applications and the production of foods, where it is used primarily as an anti-caking and free-flow agent in powderedFormula:O2SiPurity:99.9%Color and Shape:Powder, WhiteMolecular weight:60.08Silica gel desiccant, indicating, -6+16 mesh granules
CAS:Silica gel desiccant is used to dry the air in industrial compressed air systems. It is also used as a preservation tool to control relative humidity in museum and library exhibitions and storage. Further, it is employed in diagnostic test strips, inhalation devices, syringes, drug test kits and hosFormula:O2SiMolecular weight:60.08Silicon(IV) oxide, 30% in Ethylene glycol, colloidal dispersion
CAS:This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo SciFormula:O2SiMolecular weight:60.08Silica gel, HPLC grade, spherical, 3 micron APS, 120 angstroms, 99.99+%
CAS:This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo SciPurity:99.99+%Silica gel 60, 0.036-0.071mm (215-400 mesh)
CAS:Silica gel is used in column chromatography without applied pressure (gravity pulled). It is used as an adsorbent in various applications and in removing impurities. It is used as stationary base in column chromatography. This Thermo Scientific Chemicals brand product was originally part of the AlfFormula:O2SiColor and Shape:White, powderMolecular weight:60.08Silica gel 60, 0.060-0.2mm (70-230 mesh)
CAS:Silica gel is used in column chromatography without applied pressure (gravity pulled). It is used as an adsorbent in various applications and removing impurities. It is used as stationary base in column chromatography. This Thermo Scientific Chemicals brand product was originally part of the Alfa AFormula:O2SiColor and Shape:White, PowderMolecular weight:60.08Silica gel desiccant, -3+8 Mesh Granules
CAS:Silica gel desiccant is used to dry the air in industrial compressed air systems. It is also used as a preservation tool to control relative humidity in museum and library exhibitions and storage. Further, it is employed in diagnostic test strips, inhalation devices, syringes, drug test kits and hosFormula:O2SiMolecular weight:60.08Silica gel, HPLC grade, spherical, 2.2 micron APS, 80 angstroms, 99.99+%
CAS:This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo SciPurity:99.99+%Silicon(IV) oxide, powder, 0.5 micron, 99.9%
CAS:Silicon(IV) oxide is used in the manufacture of glass for windows, drinking glasses, beverage bottles and many other materials. Optical fibers for telecommunication are made from silica. It is also used as a raw material for many ceramics such as earthenware, stoneware and porcelain. In addition, siFormula:O2SiPurity:99.9%Color and Shape:White, PowderMolecular weight:60.08Silicagel 60Å, 230-400mesh (40-63um)
CAS:LC401 - Silicagel 60A 40-63u
Formula:O2SiColor and Shape:Solid, AmorphousMolecular weight:60.083Silica gel, HPLC/UHPLC grade, spherical, 1.6 micron APS, 110 angstroms, 99.99+%
CAS:This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo SciPurity:99.99+%Silica gel desiccant, indicating, ACS
CAS:Silica gel desiccant is used to dry the air in industrial compressed air systems. It is also used as a preservation tool to control relative humidity in museum and library exhibitions and storage. Further, it is employed in diagnostic test strips, inhalation devices, syringes, drug test kits and hosFormula:O2SiMolecular weight:60.08Silicon(IV) oxide, Amorphous fumed, S.A. 300 to 350m2/g
CAS:S.A. 300 to 350m2/gFormula:O2SiMolecular weight:60.08Silicagel 60A 35-70 micron
CAS:LC0205 - Silicagel 60A 35-70 micron
Formula:O2SiColor and Shape:Solid, White powderMolecular weight:60.083Silicon(IV) oxide, amorphous fumed, S.A. 350-420m2/g
CAS:Functionalized RAFT agent for controlled radical polymerization; especially suited for the polymerization of styrene; acrylate and acrylamide monomers. Azide group can be used to conjugate to a variety of alkyne-functionalized biomolecules. Chain Transfer Agent (CTA). SDS mixture of sodium alkyl sulFormula:O2SiMolecular weight:60.08Silicon(IV) oxide, amorphous fumed, surface treated, S.A. 105-145m2/g
CAS:Adhesives, coatings, sealants, inks, thermal insulation, silicones to provide hydrophobicity This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar productFormula:O2SiMolecular weight:60.08Silicon(IV) oxide, 30% in Ethylene glycol, colloidal dispersion
CAS:Silicon(IV) oxide, 30% in Ethylene glycol, colloidal dispersionFormula:O2SiMolecular weight:60.08Silica gel, preparative chromatography grade, spherical, 7.5 micron APS, 120 angstroms, 99.99+%
CAS:This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo SciPurity:99.99+%Silica gel desiccant, -6+12 mesh granules
CAS:Silica gel desiccant is used to dry the air in industrial compressed air systems. It is also used as a preservation tool to control relative humidity in museum and library exhibitions and storage. Further, it is employed in diagnostic test strips, inhalation devices, syringes, drug test kits and hosFormula:O2SiMolecular weight:60.08Silicon(IV) oxide, 99.95% (metals basis)
CAS:Used as sodium stabilizing counterion, for preparation of silica catalytic supports. Also used in glass manufacturing, foundry sand casting, metallurgical flux sand, ceramics sand, gas recovery, paint and coatings, filtration sand, chromatographic column treatment, wood treatment, inks, desiccants aFormula:O2SiPurity:99.95%Molecular weight:60.08Silica gel 60, 0.032-0.063mm (230-450 mesh)
CAS:Silica gel is used in column chromatography without applied pressure (gravity pulled). It is used as an adsorbent in various applications and in removing impurities. It is used as stationary base in column chromatography. This Thermo Scientific Chemicals brand product was originally part of the AlfFormula:O2SiColor and Shape:White, PowderMolecular weight:60.08Silicon(IV) oxide, 99.995% (metals basis)
CAS:Silicon(IV) oxide is used in the manufacture of glass for windows, drinking glasses, beverage bottles and many other materials. Optical fibers for telecommunication are made from silica. It is also used as a raw material for many ceramics such as earthenware, stoneware and porcelain. In addition, siFormula:O2SiPurity:99.995%Color and Shape:Crystalline powder, WhiteMolecular weight:60.08Silica gel 60, 0.040-0.063mm (230-400 mesh), 99.5% (metals basis)
CAS:Column chromatographySilica gel is used in column chromatography without applied pressure (gravity pulled). It is used as an adsorbent in various applications and in removing impurities. It is used as stationary base in column chromatography. This Thermo Scientific Chemicals brand product was origiFormula:O2SiPurity:99.5%Color and Shape:White, PowderMolecular weight:60.08Silica gel 60, 0.062-0.105mm (150-230 mesh)
CAS:Column chromatography without applied pressure (gravity pulled)Formula:O2SiMolecular weight:60.08Silica gel, HPLC grade, spherical, 5 micron APS, 120 angstroms, 99.99+%
CAS:Silica gel is a useful product for column chromatography. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has nPurity:99.99+%Silicon(IV) oxide, amorphous, nanopowder, 99.9% (metals basis)
CAS:Silicon(IV) oxide is used as sodium aluminate stabilizer. It is also used as SDS mixture of sodium alkyl sulfates consisting chiefly of sodium lauryl sulfate. It is also acts as chain transfer agent in polymerization. This Thermo Scientific Chemicals brand product was originally part of the Alfa AesFormula:O2SiPurity:99.9%Color and Shape:White to gray, PowderMolecular weight:60.08Silicon(IV) oxide, Amorphous fumed, S.A. 85 to 115m2/g
CAS:S.A. 85 to 115m2/gFormula:O2SiMolecular weight:60.08Silicon(IV) oxide, amorphous fumed, surface treated, S.A. 205-245m2/g
CAS:Coatings, thermal insulation, siliconesFormula:O2SiMolecular weight:60.08Silicagel 60A 20-45 micron
CAS:Formula:O2SiColor and Shape:Solid, White powderMolecular weight:60.083Silicon(IV) oxide, 99.99% (metals basis)
CAS:Silica is used primarily in the production of glass for windows, drinking glasses, beverage bottles. The majority of optical fibers for telecommunication are also made from silica. It is a primary raw material for many ceramics such as earthenware, stoneware, and porcelain. The main ingredient in saFormula:O2SiPurity:99.99%Molecular weight:60.08Silicagel 60Å, 230-400mesh (40-63um)
CAS:LC4025 - Silicagel 60A 40-63 micron
Formula:O2SiColor and Shape:Solid, White powderMolecular weight:60.083Silicon(IV) oxide, 30% in Ethylene glycol, colloidal dispersion
CAS:Silicon(IV) oxide, 30% in Ethylene glycol, colloidal dispersion; Used as sodium stabilizing counterion, for preparation of silica catalytic supports.Formula:O2SiMolecular weight:60.08Silicon(IV) oxide, elec. gr. (99.999%-Si) PURATREM
CAS:Silicon(IV) oxide, elec. gr. (99.999%-Si) PURATREM
Formula:SiO2Purity:(99.999%-Si)Color and Shape:white pwdr.Molecular weight:60.092-Mercaptoethyl ethyl sulfide Silica (PhosphonicS SEM26)
CAS:2-Mercaptoethyl ethyl sulfide Silica (PhosphonicS SEM26)
Color and Shape:white solidSilica gel, pore size 60A, particle size 40-63 micron
CAS:Color and Shape:White powderMolecular weight:-






