Silicon

Silicon(IV) oxide, 15% in H2O, colloidal dispersion, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide Name Note: 15% in H2O CAS: 7631-86-9 Physical Form: Liquid Molecular Formula: O2Si Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon(IV) oxide, Amorphous fumed, Surface treated, S.A. 105 to 130m2/g, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide CAS: 7631-86-9 Physical Form: Powder Molecular Formula: O2Si Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon Metal, Powder Products for Science Education

Chemical Name or Material: Silicon Metal CAS: 7440-21-3 Physical Form: Solid Assay Percent Range: >99% Linear Formula: Si Formula Weight: 28.09

Silicon (IV) oxide, 99.5%, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide Name Note: 98.5-99% microcrystalline silicon in the form of quartz CAS: 14808-60-7 Physical Form: Powder or Granules Assay Percent Range: 99.5% Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232 Synonym: Silicic anhydride

Silicon oxide, Catalyst Support, High Surface Area, Alfa Aesar™

Chemical Name or Material: Silicon oxide Name Note: High Surface Area MDL Number: MFCD00011232

Silica gel, TLC high purity grade, without binder, Alfa Aesar™

Chemical Name or Material: Silica gel CAS: 63231-67-4 Purity Grade: TLC High Purity Grade Physical Form: Powder MDL Number: MFCD00011232

Silicon(IV) oxide, Amorphous, 99.9% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide CAS: 7631-86-9 Physical Form: Powder Assay Percent Range: 99.9% (metals basis) Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon carbide whiskers, 99% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon carbide whiskers CAS: 409-21-2 Physical Form: Powder/Flake/Crystalline/Beads/Lump, Etc. Assay Percent Range: 99% (metals basis) Molecular Formula: SiC Formula Weight: 40.1 MDL Number: MFCD00049531

Silicon Powder, crystalline, -100+200 mesh, 99.99% (Metals basis), Alfa Aesar™

Chemical Name or Material: Silicon CAS: 7440-21-3 Physical Form: Crystalline Powder Assay Percent Range: 99.99% (Metals basis) MDL Number: MFCD00085311

Silicon Oxide, Catalyst Support, Alfa Aesar™

Chemical Name or Material: Silicon oxide MDL Number: MFCD00011232

Silicon, +99%, powder, -325 mesh, ACROS Organics™

Chemical Name or Material: Silicon Name Note: -325 mesh CAS: 7440-21-3 Physical Form: Fine Powder Assay Percent Range: 99+% Molecular Formula: Si Formula Weight: 28.09 MDL Number: MFCD00085311

Silicon Powder, crystalline, APS≤50nm, 98%, , Alfa Aesar™

Chemical Name or Material: Silicon CAS: 7440-21-3 Physical Form: Crystalline Powder Assay Percent Range: 98% MDL Number: MFCD00085311

Silicon lump, 99.99% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon CAS: 7440-21-3 Physical Form: Lump, 0.1 To 2.5cm (0.04 to 1.0 in.) Assay Percent Range: 99.9999% (Metals basis) MDL Number: MFCD00085311

Silicon(IV) iodide, 99% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon(IV) iodide CAS: 13465-84-4 Physical Form: Crystals, Packaged Under Argon Assay Percent Range: 99% (metals basis) Molecular Formula: I4Si Formula Weight: 535.7 MDL Number: MFCD00054041 Synonym: Silicon tetraiodide

Silicon Powder, crystalline, -325 mesh, 99.5% (Metals basis), Alfa Aesar™

Chemical Name or Material: Silicon CAS: 7440-21-3 Physical Form: Crystalline Powder Assay Percent Range: 99.5% (Metals basis) MDL Number: MFCD00085311

Silicon(IV) oxide, Amorphous fumed, S.A. 85 to 115m2/g, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide CAS: 7631-86-9 Physical Form: Powder Molecular Formula: O2Si Formula Weight: 60.09 MDL Number: MFCD00011232

Silicic Acid (Precipitated Powder/Certified), Fisher Chemical

Chemical Name or Material: Silicic Acid CAS: 7699-41-4 Purity Grade: Certified Grade Physical Form: Solid Molecular Formula: H2O3Si MDL Number: MFCD00054122 Synonym: Silica Acid

Sand, Ottawa Products for Science Education

Chemical Name or Material: Sand, Ottawa CAS: 14808-60-7 Formula Weight: 60.08 Synonym: Quartz Silica

Silicic Acid, ACROS Organics™

Chemical Name or Material: Silicic acid CAS: 1343-98-2 MDL Number: MFCD00054122

Sand, Ottawa (For Cement Testing), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sand, Ottawa Name Note: For cement testing CAS: 14808-60-7 Molecular Formula: SiO2 MDL Number: MFCD02100519

Sand, pure, 40-100 mesh, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sand Name Note: 40 to 100 Mesh CAS: 14808-60-7 Purity Grade: Pure Molecular Formula: O2Si Linear Formula: SiO2 Formula Weight: 60.08 MDL Number: MFCD00011232 Synonym: Quartz

Silicon carbide, beta-phase, 99.8% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon carbide Name Note: beta-phase CAS: 409-21-2 Physical Form: Powder Assay Percent Range: 99.8% (metals basis) Molecular Formula: SiC Formula Weight: 40.1 MDL Number: MFCD00049531

Zeolite, type: ZSM-5, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Zeolite CAS: 308081-08-5 MDL Number: MFCD00132601

Silicon(IV) oxide, 99.999% (metals basis), Alfa Aesar™, Puratronic™

Chemical Name or Material: Silicon(IV) oxide CAS: 14808-60-7 Physical Form: Powder or Granules Assay Percent Range: 99.999% (metals basis) Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Sand, Sea (Washed), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sand, Sea Name Note: Washed CAS: 14808-60-7 Physical Form: Powder/Solid Molecular Formula: SiO2 MDL Number: MFCD00148266

Montmorillonite, Naturally occurring mineral, Alfa Aesar™

Chemical Name or Material: Montmorillonite CAS: 1318-93-0 Physical Form: Powder MDL Number: MFCD00132796

Silicon(IV) oxide, 40% in H2O, 0.014 micron particles in colloidal dispersion, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide Name Note: 40% in H2O CAS: 7631-86-9 Physical Form: Liquid Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon dioxide, 99.99%, (trace metal basis), ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Silicon dioxide CAS: 60676-86-0 Purity Grade: Trace Metal Basis Assay: 44.5 to 47.9% (Si) Assay Percent Range: 99.998% Molecular Formula: O2Si Linear Formula: SiO2 Formula Weight: 60.08

Silicon(IV) oxide, 99.99% (metals basis), 1 to 3mm fused lump, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide CAS: 7631-86-9 Physical Form: 1 To 3mm Fused Lump Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon powder, crystalline, -100 mesh, 99.9% (metals basis), Alfa Aesar

Chemical Name or Material: Silicon CAS: 7440-21-3 Physical Form: Crystalline Powder Assay Percent Range: 99.9% (Metals basis) Molecular Formula: Si Formula Weight: 28.0855 MDL Number: MFCD00085311

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